Black Hills Corp NYSE:BKH Historical Prices

Below are the 8000 trading days of historical prices for BKH.

#	Exchange	Symbol	Date	Open	High	Low	Close
8000	NYSE	BKH	Thu, Mar 7, 2024	52.86	53.28	52.81	53.06
7999	NYSE	BKH	Wed, Mar 6, 2024	52.71	52.93	52.12	52.32
7998	NYSE	BKH	Tue, Mar 5, 2024	52.62	53.30	52.07	52.26
7997	NYSE	BKH	Mon, Mar 4, 2024	51.19	52.48	51.19	52.39
7996	NYSE	BKH	Fri, Mar 1, 2024	51.90	51.92	51.07	51.43
7995	NYSE	BKH	Thu, Feb 29, 2024	52.37	52.50	51.68	52.03
7994	NYSE	BKH	Wed, Feb 28, 2024	52.17	52.74	51.84	51.90
7993	NYSE	BKH	Tue, Feb 27, 2024	51.89	52.42	51.80	52.41
7992	NYSE	BKH	Mon, Feb 26, 2024	52.05	52.05	51.18	51.59
7991	NYSE	BKH	Fri, Feb 23, 2024	52.15	52.70	52.00	52.32
7990	NYSE	BKH	Thu, Feb 22, 2024	52.20	52.33	51.49	52.20
7989	NYSE	BKH	Wed, Feb 21, 2024	52.50	53.00	52.28	52.92
7988	NYSE	BKH	Tue, Feb 20, 2024	51.91	53.00	51.86	52.26
7987	NYSE	BKH	Fri, Feb 16, 2024	51.97	52.58	51.67	52.08
7986	NYSE	BKH	Thu, Feb 15, 2024	51.11	52.49	51.02	52.36
7985	NYSE	BKH	Wed, Feb 14, 2024	51.30	51.69	50.78	50.77
7984	NYSE	BKH	Tue, Feb 13, 2024	51.92	52.17	50.51	50.98
7983	NYSE	BKH	Mon, Feb 12, 2024	51.79	52.83	51.60	52.82
7982	NYSE	BKH	Fri, Feb 9, 2024	51.01	51.80	50.92	51.62
7981	NYSE	BKH	Thu, Feb 8, 2024	50.15	51.25	49.50	51.25
7980	NYSE	BKH	Wed, Feb 7, 2024	50.03	50.13	49.34	49.62
7979	NYSE	BKH	Tue, Feb 6, 2024	49.75	50.22	49.47	49.91
7978	NYSE	BKH	Mon, Feb 5, 2024	50.50	50.50	49.65	49.67
7977	NYSE	BKH	Fri, Feb 2, 2024	51.77	51.84	50.77	51.18
7976	NYSE	BKH	Thu, Feb 1, 2024	51.64	52.56	51.40	52.55
7975	NYSE	BKH	Wed, Jan 31, 2024	52.45	52.76	51.50	51.76
7974	NYSE	BKH	Tue, Jan 30, 2024	51.68	52.43	51.36	52.15
7973	NYSE	BKH	Mon, Jan 29, 2024	51.03	52.14	50.64	51.95
7972	NYSE	BKH	Fri, Jan 26, 2024	51.16	51.43	50.80	50.80
7971	NYSE	BKH	Thu, Jan 25, 2024	51.04	51.12	50.35	51.00
7970	NYSE	BKH	Wed, Jan 24, 2024	51.87	51.87	49.87	50.06
7969	NYSE	BKH	Tue, Jan 23, 2024	50.94	51.21	50.23	51.19
7968	NYSE	BKH	Mon, Jan 22, 2024	50.63	51.01	50.23	50.60
7967	NYSE	BKH	Fri, Jan 19, 2024	50.45	50.73	49.81	50.23
7966	NYSE	BKH	Thu, Jan 18, 2024	51.03	51.13	50.29	50.38
7965	NYSE	BKH	Wed, Jan 17, 2024	51.14	52.00	50.80	51.34
7964	NYSE	BKH	Tue, Jan 16, 2024	53.17	53.25	51.47	51.58
7963	NYSE	BKH	Fri, Jan 12, 2024	54.59	54.72	53.45	53.49
7962	NYSE	BKH	Thu, Jan 11, 2024	55.00	55.00	53.55	53.94
7961	NYSE	BKH	Wed, Jan 10, 2024	55.38	55.58	55.14	55.31
7960	NYSE	BKH	Tue, Jan 9, 2024	55.60	55.89	55.22	55.46
7959	NYSE	BKH	Mon, Jan 8, 2024	55.00	56.06	54.98	56.04
7958	NYSE	BKH	Fri, Jan 5, 2024	54.68	55.53	54.55	55.21
7957	NYSE	BKH	Thu, Jan 4, 2024	55.26	55.46	54.78	54.97
7956	NYSE	BKH	Wed, Jan 3, 2024	54.90	55.49	54.43	55.14
7955	NYSE	BKH	Tue, Jan 2, 2024	53.67	55.38	53.67	55.20
7954	NYSE	BKH	Fri, Dec 29, 2023	54.04	54.20	53.68	53.95
7953	NYSE	BKH	Thu, Dec 28, 2023	53.38	54.34	53.38	54.31
7952	NYSE	BKH	Wed, Dec 27, 2023	54.20	54.30	53.49	53.64
7951	NYSE	BKH	Tue, Dec 26, 2023	54.36	54.65	54.23	54.25
7950	NYSE	BKH	Fri, Dec 22, 2023	54.51	55.25	53.94	54.32
7949	NYSE	BKH	Thu, Dec 21, 2023	54.32	54.53	53.40	53.92
7948	NYSE	BKH	Wed, Dec 20, 2023	55.16	55.53	54.06	54.16
7947	NYSE	BKH	Tue, Dec 19, 2023	54.75	55.38	54.55	55.15
7946	NYSE	BKH	Mon, Dec 18, 2023	54.94	54.97	54.31	54.43
7945	NYSE	BKH	Fri, Dec 15, 2023	55.69	55.79	54.26	54.62
7944	NYSE	BKH	Thu, Dec 14, 2023	56.65	57.16	55.63	55.71
7943	NYSE	BKH	Wed, Dec 13, 2023	53.91	56.29	53.52	56.01
7942	NYSE	BKH	Tue, Dec 12, 2023	53.94	54.04	53.31	53.81
7941	NYSE	BKH	Mon, Dec 11, 2023	53.74	54.28	53.54	53.93
7940	NYSE	BKH	Fri, Dec 8, 2023	54.04	54.26	53.59	54.10
7939	NYSE	BKH	Thu, Dec 7, 2023	53.89	54.25	53.56	54.08
7938	NYSE	BKH	Wed, Dec 6, 2023	53.90	54.42	53.43	53.85
7937	NYSE	BKH	Tue, Dec 5, 2023	53.42	53.50	52.68	53.43
7936	NYSE	BKH	Mon, Dec 4, 2023	53.05	53.93	53.00	53.47
7935	NYSE	BKH	Fri, Dec 1, 2023	51.54	53.50	51.54	53.46
7934	NYSE	BKH	Thu, Nov 30, 2023	51.34	51.72	50.79	51.59
7933	NYSE	BKH	Wed, Nov 29, 2023	51.84	52.19	51.02	51.24
7932	NYSE	BKH	Tue, Nov 28, 2023	51.07	51.83	50.66	51.56
7931	NYSE	BKH	Mon, Nov 27, 2023	51.25	51.31	50.66	51.13
7930	NYSE	BKH	Fri, Nov 24, 2023	51.26	51.48	51.11	51.26
7929	NYSE	BKH	Wed, Nov 22, 2023	51.22	51.32	50.65	51.19
7928	NYSE	BKH	Tue, Nov 21, 2023	51.18	51.59	50.73	50.91
7927	NYSE	BKH	Mon, Nov 20, 2023	51.22	51.25	50.25	50.71
7926	NYSE	BKH	Fri, Nov 17, 2023	51.54	51.72	51.04	51.67
7925	NYSE	BKH	Thu, Nov 16, 2023	51.96	52.03	51.09	51.10
7924	NYSE	BKH	Wed, Nov 15, 2023	50.96	52.39	50.96	51.68
7923	NYSE	BKH	Tue, Nov 14, 2023	49.56	51.16	49.48	51.14
7922	NYSE	BKH	Mon, Nov 13, 2023	49.00	49.15	48.27	48.29
7921	NYSE	BKH	Fri, Nov 10, 2023	48.75	49.33	48.32	49.14
7920	NYSE	BKH	Thu, Nov 9, 2023	49.87	50.36	48.36	48.44
7919	NYSE	BKH	Wed, Nov 8, 2023	51.00	51.00	49.62	49.82
7918	NYSE	BKH	Tue, Nov 7, 2023	51.34	51.43	50.85	51.09
7917	NYSE	BKH	Mon, Nov 6, 2023	51.37	51.80	51.36	51.48
7916	NYSE	BKH	Fri, Nov 3, 2023	50.73	51.94	50.73	51.52
7915	NYSE	BKH	Thu, Nov 2, 2023	49.28	50.48	48.81	49.91
7914	NYSE	BKH	Wed, Nov 1, 2023	48.43	48.79	47.49	48.44
7913	NYSE	BKH	Tue, Oct 31, 2023	48.37	48.85	47.77	48.35
7912	NYSE	BKH	Mon, Oct 30, 2023	48.46	49.19	47.74	48.06
7911	NYSE	BKH	Fri, Oct 27, 2023	48.74	49.04	48.05	48.30
7910	NYSE	BKH	Thu, Oct 26, 2023	48.63	49.50	48.55	49.03
7909	NYSE	BKH	Wed, Oct 25, 2023	48.00	48.43	47.59	48.40
7908	NYSE	BKH	Tue, Oct 24, 2023	48.74	48.92	48.09	48.23
7907	NYSE	BKH	Mon, Oct 23, 2023	48.69	49.13	48.14	48.16
7906	NYSE	BKH	Fri, Oct 20, 2023	50.27	50.53	48.73	48.90
7905	NYSE	BKH	Thu, Oct 19, 2023	49.87	50.77	49.70	50.08
7904	NYSE	BKH	Wed, Oct 18, 2023	51.19	51.32	50.11	50.15
7903	NYSE	BKH	Tue, Oct 17, 2023	51.38	51.87	51.10	51.40
7902	NYSE	BKH	Mon, Oct 16, 2023	50.75	51.96	50.44	51.85
7901	NYSE	BKH	Fri, Oct 13, 2023	50.34	50.62	49.99	50.62
7900	NYSE	BKH	Thu, Oct 12, 2023	50.56	50.84	49.34	49.75
7899	NYSE	BKH	Wed, Oct 11, 2023	50.29	50.87	49.95	50.72
7898	NYSE	BKH	Tue, Oct 10, 2023	49.51	50.00	49.38	49.98
7897	NYSE	BKH	Mon, Oct 9, 2023	48.30	49.28	48.30	49.27
7896	NYSE	BKH	Fri, Oct 6, 2023	47.77	48.51	46.61	48.38
7895	NYSE	BKH	Thu, Oct 5, 2023	48.05	48.53	47.54	48.33
7894	NYSE	BKH	Wed, Oct 4, 2023	48.17	48.35	47.40	48.14
7893	NYSE	BKH	Tue, Oct 3, 2023	47.46	48.12	46.43	48.02
7892	NYSE	BKH	Mon, Oct 2, 2023	50.38	50.38	47.65	47.93
7891	NYSE	BKH	Fri, Sep 29, 2023	51.07	51.47	50.20	50.59
7890	NYSE	BKH	Thu, Sep 28, 2023	51.84	51.88	50.32	50.55
7889	NYSE	BKH	Wed, Sep 27, 2023	52.03	52.31	51.33	51.62
7888	NYSE	BKH	Tue, Sep 26, 2023	53.35	53.59	51.95	52.03
7887	NYSE	BKH	Mon, Sep 25, 2023	53.52	53.78	53.15	53.77
7886	NYSE	BKH	Fri, Sep 22, 2023	53.75	54.04	53.54	53.67
7885	NYSE	BKH	Thu, Sep 21, 2023	54.43	54.75	54.07	54.07
7884	NYSE	BKH	Wed, Sep 20, 2023	54.96	55.22	54.63	54.64
7883	NYSE	BKH	Tue, Sep 19, 2023	55.18	55.43	54.67	54.69
7882	NYSE	BKH	Mon, Sep 18, 2023	55.46	55.53	54.86	55.12
7881	NYSE	BKH	Fri, Sep 15, 2023	55.67	56.19	55.23	55.41
7880	NYSE	BKH	Thu, Sep 14, 2023	55.75	56.27	55.67	55.79
7879	NYSE	BKH	Wed, Sep 13, 2023	54.99	55.60	54.88	55.32
7878	NYSE	BKH	Tue, Sep 12, 2023	54.50	54.95	54.13	54.89
7877	NYSE	BKH	Mon, Sep 11, 2023	54.10	54.94	54.10	54.43
7876	NYSE	BKH	Fri, Sep 8, 2023	53.90	54.26	53.54	54.11
7875	NYSE	BKH	Thu, Sep 7, 2023	53.88	54.26	53.62	53.75
7874	NYSE	BKH	Wed, Sep 6, 2023	53.63	53.80	53.26	53.50
7873	NYSE	BKH	Tue, Sep 5, 2023	54.53	54.76	53.59	53.63
7872	NYSE	BKH	Fri, Sep 1, 2023	55.35	55.46	54.26	54.74
7871	NYSE	BKH	Thu, Aug 31, 2023	55.91	55.91	54.89	55.00
7870	NYSE	BKH	Wed, Aug 30, 2023	55.72	56.05	55.40	55.60
7869	NYSE	BKH	Tue, Aug 29, 2023	55.64	55.88	55.27	55.72
7868	NYSE	BKH	Mon, Aug 28, 2023	55.52	56.27	55.40	55.48
7867	NYSE	BKH	Fri, Aug 25, 2023	55.60	56.06	55.15	55.40
7866	NYSE	BKH	Thu, Aug 24, 2023	55.22	56.35	55.10	55.31
7865	NYSE	BKH	Wed, Aug 23, 2023	56.02	56.07	55.25	55.60
7864	NYSE	BKH	Tue, Aug 22, 2023	54.83	55.74	54.72	55.69
7863	NYSE	BKH	Mon, Aug 21, 2023	55.05	55.18	53.88	54.92
7862	NYSE	BKH	Fri, Aug 18, 2023	55.54	55.89	55.20	55.23
7861	NYSE	BKH	Thu, Aug 17, 2023	55.91	56.36	55.44	55.51
7860	NYSE	BKH	Wed, Aug 16, 2023	56.16	56.50	55.90	55.78
7859	NYSE	BKH	Tue, Aug 15, 2023	56.67	56.88	55.91	55.93
7858	NYSE	BKH	Mon, Aug 14, 2023	58.00	58.00	56.80	56.93
7857	NYSE	BKH	Fri, Aug 11, 2023	58.57	58.58	58.01	58.14
7856	NYSE	BKH	Thu, Aug 10, 2023	58.65	59.33	58.38	58.47
7855	NYSE	BKH	Wed, Aug 9, 2023	58.04	59.20	57.90	58.70
7854	NYSE	BKH	Tue, Aug 8, 2023	57.58	58.54	57.45	58.32
7853	NYSE	BKH	Mon, Aug 7, 2023	56.89	57.93	56.89	57.68
7852	NYSE	BKH	Fri, Aug 4, 2023	58.10	58.42	56.60	56.89
7851	NYSE	BKH	Thu, Aug 3, 2023	59.12	59.12	56.60	57.83
7850	NYSE	BKH	Wed, Aug 2, 2023	59.10	59.88	59.00	59.31
7849	NYSE	BKH	Tue, Aug 1, 2023	60.45	60.86	59.12	59.20
7848	NYSE	BKH	Mon, Jul 31, 2023	60.40	61.01	60.07	60.33
7847	NYSE	BKH	Fri, Jul 28, 2023	60.29	60.39	59.45	60.18
7846	NYSE	BKH	Thu, Jul 27, 2023	61.31	61.43	59.80	59.81
7845	NYSE	BKH	Wed, Jul 26, 2023	60.89	61.81	60.81	61.54
7844	NYSE	BKH	Tue, Jul 25, 2023	60.91	61.19	60.35	60.83
7843	NYSE	BKH	Mon, Jul 24, 2023	61.35	61.52	60.56	60.90
7842	NYSE	BKH	Fri, Jul 21, 2023	61.14	61.94	60.23	61.27
7841	NYSE	BKH	Thu, Jul 20, 2023	60.45	61.25	59.73	61.24
7840	NYSE	BKH	Wed, Jul 19, 2023	59.95	60.87	59.55	60.14
7839	NYSE	BKH	Tue, Jul 18, 2023	59.06	59.85	58.77	59.55
7838	NYSE	BKH	Mon, Jul 17, 2023	59.06	59.63	58.50	58.86
7837	NYSE	BKH	Fri, Jul 14, 2023	60.32	60.32	58.76	59.37
7836	NYSE	BKH	Thu, Jul 13, 2023	59.55	60.46	59.50	60.40
7835	NYSE	BKH	Wed, Jul 12, 2023	58.65	59.78	58.29	59.62
7834	NYSE	BKH	Tue, Jul 11, 2023	57.34	58.20	57.10	58.20
7833	NYSE	BKH	Mon, Jul 10, 2023	58.02	58.13	56.75	57.23
7832	NYSE	BKH	Fri, Jul 7, 2023	58.84	59.39	57.35	57.84
7831	NYSE	BKH	Thu, Jul 6, 2023	59.81	60.19	58.99	59.29
7830	NYSE	BKH	Wed, Jul 5, 2023	60.05	61.14	59.89	60.26
7829	NYSE	BKH	Mon, Jul 3, 2023	60.13	60.77	60.09	60.39
7828	NYSE	BKH	Fri, Jun 30, 2023	60.55	60.67	59.75	60.26
7827	NYSE	BKH	Thu, Jun 29, 2023	59.19	60.37	59.06	60.33
7826	NYSE	BKH	Wed, Jun 28, 2023	60.14	60.14	59.24	59.57
7825	NYSE	BKH	Tue, Jun 27, 2023	60.19	60.88	59.80	60.30
7824	NYSE	BKH	Mon, Jun 26, 2023	59.73	60.51	59.19	60.19
7823	NYSE	BKH	Fri, Jun 23, 2023	61.29	61.55	59.24	59.48
7822	NYSE	BKH	Thu, Jun 22, 2023	61.66	61.66	60.60	61.08
7821	NYSE	BKH	Wed, Jun 21, 2023	61.01	61.90	60.07	61.34
7820	NYSE	BKH	Tue, Jun 20, 2023	62.29	62.32	61.13	61.17
7819	NYSE	BKH	Fri, Jun 16, 2023	62.60	62.83	62.02	62.57
7818	NYSE	BKH	Thu, Jun 15, 2023	62.24	62.24	61.55	62.20
7817	NYSE	BKH	Wed, Jun 14, 2023	62.09	62.86	61.73	61.82
7816	NYSE	BKH	Tue, Jun 13, 2023	62.22	62.89	62.00	62.10
7815	NYSE	BKH	Mon, Jun 12, 2023	63.34	63.51	61.78	62.54
7814	NYSE	BKH	Fri, Jun 9, 2023	64.01	64.01	63.30	63.40
7813	NYSE	BKH	Thu, Jun 8, 2023	63.96	64.36	63.35	64.04
7812	NYSE	BKH	Wed, Jun 7, 2023	63.14	64.47	62.70	64.15
7811	NYSE	BKH	Tue, Jun 6, 2023	62.26	63.05	61.91	62.86
7810	NYSE	BKH	Mon, Jun 5, 2023	62.24	62.89	61.42	62.30
7809	NYSE	BKH	Fri, Jun 2, 2023	60.21	62.54	60.21	62.30
7808	NYSE	BKH	Thu, Jun 1, 2023	61.20	61.20	60.08	60.48
7807	NYSE	BKH	Wed, May 31, 2023	60.28	61.40	60.28	60.95
7806	NYSE	BKH	Tue, May 30, 2023	60.62	60.84	59.93	59.93
7805	NYSE	BKH	Fri, May 26, 2023	60.79	60.79	60.10	60.60
7804	NYSE	BKH	Thu, May 25, 2023	61.70	61.81	60.50	60.68
7803	NYSE	BKH	Wed, May 24, 2023	62.39	62.60	61.88	61.92
7802	NYSE	BKH	Tue, May 23, 2023	62.95	63.56	62.50	62.51
7801	NYSE	BKH	Mon, May 22, 2023	63.11	63.62	62.77	62.83
7800	NYSE	BKH	Fri, May 19, 2023	63.65	63.87	62.88	63.05
7799	NYSE	BKH	Thu, May 18, 2023	62.91	63.44	62.50	63.19
7798	NYSE	BKH	Wed, May 17, 2023	63.47	63.58	62.78	63.33
7797	NYSE	BKH	Tue, May 16, 2023	65.08	65.28	63.85	63.40
7796	NYSE	BKH	Mon, May 15, 2023	65.83	65.83	64.74	64.98
7795	NYSE	BKH	Fri, May 12, 2023	65.63	66.43	65.31	65.59
7794	NYSE	BKH	Thu, May 11, 2023	65.97	66.20	64.97	65.16
7793	NYSE	BKH	Wed, May 10, 2023	66.32	66.54	65.20	65.96
7792	NYSE	BKH	Tue, May 9, 2023	66.05	66.18	65.48	65.76
7791	NYSE	BKH	Mon, May 8, 2023	65.99	66.40	65.35	66.07
7790	NYSE	BKH	Fri, May 5, 2023	66.31	66.85	65.97	66.14
7789	NYSE	BKH	Thu, May 4, 2023	64.55	65.92	63.60	65.87
7788	NYSE	BKH	Wed, May 3, 2023	64.51	65.46	64.32	64.44
7787	NYSE	BKH	Tue, May 2, 2023	65.38	65.48	63.42	64.17
7786	NYSE	BKH	Mon, May 1, 2023	65.21	65.97	65.16	65.37
7785	NYSE	BKH	Fri, Apr 28, 2023	65.54	66.08	65.08	65.29
7784	NYSE	BKH	Thu, Apr 27, 2023	64.17	65.69	64.17	65.63
7783	NYSE	BKH	Wed, Apr 26, 2023	64.24	64.93	63.60	63.95
7782	NYSE	BKH	Tue, Apr 25, 2023	65.03	65.52	64.79	64.86
7781	NYSE	BKH	Mon, Apr 24, 2023	65.60	65.66	64.87	65.15
7780	NYSE	BKH	Fri, Apr 21, 2023	65.48	65.87	64.60	65.42
7779	NYSE	BKH	Thu, Apr 20, 2023	64.90	65.03	64.55	64.96
7778	NYSE	BKH	Wed, Apr 19, 2023	64.52	65.32	64.30	64.92
7777	NYSE	BKH	Tue, Apr 18, 2023	65.19	65.19	64.12	64.25
7776	NYSE	BKH	Mon, Apr 17, 2023	65.21	65.59	64.67	65.19
7775	NYSE	BKH	Fri, Apr 14, 2023	65.21	65.49	64.44	65.06
7774	NYSE	BKH	Thu, Apr 13, 2023	65.43	66.03	64.66	65.74
7773	NYSE	BKH	Wed, Apr 12, 2023	66.35	66.61	65.24	65.66
7772	NYSE	BKH	Tue, Apr 11, 2023	66.24	66.58	65.80	66.14
7771	NYSE	BKH	Mon, Apr 10, 2023	65.23	66.30	64.69	66.09
7770	NYSE	BKH	Thu, Apr 6, 2023	65.52	65.81	64.98	65.43
7769	NYSE	BKH	Wed, Apr 5, 2023	63.60	65.19	63.60	65.10
7768	NYSE	BKH	Tue, Apr 4, 2023	62.67	63.44	62.06	63.43
7767	NYSE	BKH	Mon, Apr 3, 2023	63.08	63.49	62.28	62.59
7766	NYSE	BKH	Fri, Mar 31, 2023	63.18	63.28	62.50	63.10
7765	NYSE	BKH	Thu, Mar 30, 2023	63.26	63.49	62.50	62.88
7764	NYSE	BKH	Wed, Mar 29, 2023	62.27	62.97	62.15	62.96
7763	NYSE	BKH	Tue, Mar 28, 2023	61.22	62.20	61.22	61.95
7762	NYSE	BKH	Mon, Mar 27, 2023	61.52	61.75	60.54	61.33
7761	NYSE	BKH	Fri, Mar 24, 2023	59.20	61.02	59.20	60.97
7760	NYSE	BKH	Thu, Mar 23, 2023	59.96	60.49	58.81	59.04
7759	NYSE	BKH	Wed, Mar 22, 2023	61.16	61.61	59.97	60.01
7758	NYSE	BKH	Tue, Mar 21, 2023	62.52	62.78	60.57	61.29
7757	NYSE	BKH	Mon, Mar 20, 2023	61.37	62.47	61.32	62.25
7756	NYSE	BKH	Fri, Mar 17, 2023	61.44	61.82	60.92	61.17
7755	NYSE	BKH	Thu, Mar 16, 2023	60.96	62.27	60.74	61.76
7754	NYSE	BKH	Wed, Mar 15, 2023	61.28	62.05	60.76	61.46
7753	NYSE	BKH	Tue, Mar 14, 2023	61.36	62.13	60.88	61.54
7752	NYSE	BKH	Mon, Mar 13, 2023	59.80	62.02	59.69	60.40
7751	NYSE	BKH	Fri, Mar 10, 2023	60.99	61.08	59.56	59.88
7750	NYSE	BKH	Thu, Mar 9, 2023	61.48	62.08	60.86	60.99
7749	NYSE	BKH	Wed, Mar 8, 2023	61.21	61.43	60.83	61.35
7748	NYSE	BKH	Tue, Mar 7, 2023	62.02	62.48	60.70	60.88
7747	NYSE	BKH	Mon, Mar 6, 2023	62.29	62.63	61.35	61.80
7746	NYSE	BKH	Fri, Mar 3, 2023	62.00	62.45	61.50	62.27
7745	NYSE	BKH	Thu, Mar 2, 2023	61.15	61.66	60.80	61.64
7744	NYSE	BKH	Wed, Mar 1, 2023	61.11	61.32	60.70	61.14
7743	NYSE	BKH	Tue, Feb 28, 2023	62.18	62.98	61.41	61.41
7742	NYSE	BKH	Mon, Feb 27, 2023	63.24	63.76	62.30	62.42
7741	NYSE	BKH	Fri, Feb 24, 2023	62.11	62.89	62.01	62.73
7740	NYSE	BKH	Thu, Feb 23, 2023	63.06	63.50	62.15	62.36
7739	NYSE	BKH	Wed, Feb 22, 2023	63.15	63.75	62.81	62.83
7738	NYSE	BKH	Tue, Feb 21, 2023	64.33	64.35	63.24	63.25
7737	NYSE	BKH	Fri, Feb 17, 2023	64.48	65.24	64.00	64.72
7736	NYSE	BKH	Thu, Feb 16, 2023	63.50	64.73	63.30	64.13
7735	NYSE	BKH	Wed, Feb 15, 2023	62.96	64.87	62.75	64.10
7734	NYSE	BKH	Tue, Feb 14, 2023	63.53	64.75	63.02	63.38
7733	NYSE	BKH	Mon, Feb 13, 2023	63.50	64.56	63.50	63.70
7732	NYSE	BKH	Fri, Feb 10, 2023	62.80	64.30	62.47	63.53
7731	NYSE	BKH	Thu, Feb 9, 2023	63.67	63.98	62.80	63.21
7730	NYSE	BKH	Wed, Feb 8, 2023	63.50	64.89	60.37	64.43
7729	NYSE	BKH	Tue, Feb 7, 2023	70.90	71.15	69.82	71.02
7728	NYSE	BKH	Mon, Feb 6, 2023	71.78	71.96	70.86	71.42
7727	NYSE	BKH	Fri, Feb 3, 2023	73.10	73.21	70.89	71.95
7726	NYSE	BKH	Thu, Feb 2, 2023	72.64	73.98	72.39	73.40
7725	NYSE	BKH	Wed, Feb 1, 2023	72.02	73.41	71.74	72.47
7724	NYSE	BKH	Tue, Jan 31, 2023	71.36	72.42	70.81	72.38
7723	NYSE	BKH	Mon, Jan 30, 2023	71.15	71.69	70.97	71.11
7722	NYSE	BKH	Fri, Jan 27, 2023	71.34	71.56	70.77	71.29
7721	NYSE	BKH	Thu, Jan 26, 2023	71.00	71.42	70.52	71.39
7720	NYSE	BKH	Wed, Jan 25, 2023	70.17	71.12	70.03	71.00
7719	NYSE	BKH	Tue, Jan 24, 2023	70.83	71.01	69.70	70.58
7718	NYSE	BKH	Mon, Jan 23, 2023	70.90	71.51	70.30	70.74
7717	NYSE	BKH	Fri, Jan 20, 2023	70.67	71.07	69.34	71.03
7716	NYSE	BKH	Thu, Jan 19, 2023	70.46	70.85	70.23	70.45
7715	NYSE	BKH	Wed, Jan 18, 2023	71.49	71.75	70.49	70.52
7714	NYSE	BKH	Tue, Jan 17, 2023	72.88	73.17	71.33	71.40
7713	NYSE	BKH	Fri, Jan 13, 2023	73.02	73.02	72.17	72.78
7712	NYSE	BKH	Thu, Jan 12, 2023	72.86	73.70	72.33	73.15
7711	NYSE	BKH	Wed, Jan 11, 2023	71.43	72.62	71.00	72.62
7710	NYSE	BKH	Tue, Jan 10, 2023	70.91	71.38	70.47	71.13
7709	NYSE	BKH	Mon, Jan 9, 2023	71.38	71.79	70.75	71.17
7708	NYSE	BKH	Fri, Jan 6, 2023	70.84	72.21	70.62	72.03
7707	NYSE	BKH	Thu, Jan 5, 2023	71.14	71.14	69.40	69.93
7706	NYSE	BKH	Wed, Jan 4, 2023	70.93	72.03	70.68	71.37
7705	NYSE	BKH	Tue, Jan 3, 2023	70.81	70.93	69.43	70.45
7704	NYSE	BKH	Fri, Dec 30, 2022	71.04	71.08	69.91	70.34
7703	NYSE	BKH	Thu, Dec 29, 2022	70.57	71.47	70.48	71.09
7702	NYSE	BKH	Wed, Dec 28, 2022	70.74	70.97	69.91	70.16
7701	NYSE	BKH	Tue, Dec 27, 2022	70.14	70.51	69.65	70.49
7700	NYSE	BKH	Fri, Dec 23, 2022	68.80	69.87	68.80	69.83
7699	NYSE	BKH	Thu, Dec 22, 2022	69.33	69.33	67.69	68.98
7698	NYSE	BKH	Wed, Dec 21, 2022	68.61	69.72	68.61	69.68
7697	NYSE	BKH	Tue, Dec 20, 2022	68.62	68.98	67.75	68.65
7696	NYSE	BKH	Mon, Dec 19, 2022	68.58	69.02	68.04	68.58
7695	NYSE	BKH	Fri, Dec 16, 2022	68.36	69.24	67.30	68.75
7694	NYSE	BKH	Thu, Dec 15, 2022	70.15	70.29	68.45	69.05
7693	NYSE	BKH	Wed, Dec 14, 2022	70.90	71.82	70.00	70.36
7692	NYSE	BKH	Tue, Dec 13, 2022	71.91	72.57	70.33	70.84
7691	NYSE	BKH	Mon, Dec 12, 2022	70.65	71.15	69.94	70.92
7690	NYSE	BKH	Fri, Dec 9, 2022	69.96	71.00	69.96	70.14
7689	NYSE	BKH	Thu, Dec 8, 2022	69.46	70.55	69.35	70.36
7688	NYSE	BKH	Wed, Dec 7, 2022	70.10	70.63	69.62	69.66
7687	NYSE	BKH	Tue, Dec 6, 2022	70.02	70.47	69.29	70.14
7686	NYSE	BKH	Mon, Dec 5, 2022	70.32	70.82	69.84	70.15
7685	NYSE	BKH	Fri, Dec 2, 2022	69.60	71.22	69.38	71.05
7684	NYSE	BKH	Thu, Dec 1, 2022	72.52	72.52	70.45	70.50
7683	NYSE	BKH	Wed, Nov 30, 2022	70.00	71.68	69.36	71.63
7682	NYSE	BKH	Tue, Nov 29, 2022	70.24	70.68	69.78	70.31
7681	NYSE	BKH	Mon, Nov 28, 2022	70.18	70.86	69.57	70.57
7680	NYSE	BKH	Fri, Nov 25, 2022	70.43	71.18	70.28	70.73
7679	NYSE	BKH	Wed, Nov 23, 2022	69.39	70.15	69.02	70.04
7678	NYSE	BKH	Tue, Nov 22, 2022	69.23	69.91	69.05	69.56
7677	NYSE	BKH	Mon, Nov 21, 2022	68.20	68.95	68.15	68.81
7676	NYSE	BKH	Fri, Nov 18, 2022	67.26	68.54	67.17	68.31
7675	NYSE	BKH	Thu, Nov 17, 2022	66.53	66.75	66.05	66.50
7674	NYSE	BKH	Wed, Nov 16, 2022	66.93	67.48	66.45	66.97
7673	NYSE	BKH	Tue, Nov 15, 2022	67.29	67.80	66.59	66.78
7672	NYSE	BKH	Mon, Nov 14, 2022	67.05	67.70	66.46	66.79
7671	NYSE	BKH	Fri, Nov 11, 2022	67.70	67.70	66.79	67.05
7670	NYSE	BKH	Thu, Nov 10, 2022	65.76	67.81	65.00	67.59
7669	NYSE	BKH	Wed, Nov 9, 2022	63.46	64.42	63.43	64.16
7668	NYSE	BKH	Tue, Nov 8, 2022	63.30	64.24	62.95	63.87
7667	NYSE	BKH	Mon, Nov 7, 2022	64.84	64.84	62.45	63.00
7666	NYSE	BKH	Fri, Nov 4, 2022	64.28	65.22	63.45	64.74
7665	NYSE	BKH	Thu, Nov 3, 2022	64.37	64.37	62.25	63.47
7664	NYSE	BKH	Wed, Nov 2, 2022	65.51	66.87	64.99	65.05
7663	NYSE	BKH	Tue, Nov 1, 2022	65.47	66.07	64.68	65.66
7662	NYSE	BKH	Mon, Oct 31, 2022	65.77	65.83	64.70	65.37
7661	NYSE	BKH	Fri, Oct 28, 2022	64.95	66.15	64.95	65.87
7660	NYSE	BKH	Thu, Oct 27, 2022	63.68	65.34	63.68	64.72
7659	NYSE	BKH	Wed, Oct 26, 2022	63.98	64.60	63.34	63.39
7658	NYSE	BKH	Tue, Oct 25, 2022	61.62	63.45	61.42	63.00
7657	NYSE	BKH	Mon, Oct 24, 2022	61.74	62.66	61.10	61.59
7656	NYSE	BKH	Fri, Oct 21, 2022	61.66	62.02	60.74	61.33
7655	NYSE	BKH	Thu, Oct 20, 2022	63.19	63.19	60.90	61.08
7654	NYSE	BKH	Wed, Oct 19, 2022	63.36	63.82	62.72	62.98
7653	NYSE	BKH	Tue, Oct 18, 2022	64.23	64.95	63.73	64.16
7652	NYSE	BKH	Mon, Oct 17, 2022	62.41	64.22	62.40	63.32
7651	NYSE	BKH	Fri, Oct 14, 2022	63.04	63.14	60.78	61.35
7650	NYSE	BKH	Thu, Oct 13, 2022	60.48	63.34	59.08	62.43
7649	NYSE	BKH	Wed, Oct 12, 2022	64.56	64.56	62.60	62.64
7648	NYSE	BKH	Tue, Oct 11, 2022	65.26	66.15	64.42	64.59
7647	NYSE	BKH	Mon, Oct 10, 2022	64.93	66.21	64.81	65.27
7646	NYSE	BKH	Fri, Oct 7, 2022	65.30	65.57	64.32	64.73
7645	NYSE	BKH	Thu, Oct 6, 2022	68.45	68.45	65.63	65.67
7644	NYSE	BKH	Wed, Oct 5, 2022	69.62	69.62	68.20	68.85
7643	NYSE	BKH	Tue, Oct 4, 2022	69.74	71.14	69.53	70.66
7642	NYSE	BKH	Mon, Oct 3, 2022	69.06	70.47	68.68	69.56
7641	NYSE	BKH	Fri, Sep 30, 2022	69.58	69.58	67.64	67.73
7640	NYSE	BKH	Thu, Sep 29, 2022	70.48	70.78	68.52	69.15
7639	NYSE	BKH	Wed, Sep 28, 2022	70.19	71.71	69.47	71.20
7638	NYSE	BKH	Tue, Sep 27, 2022	72.20	72.35	69.41	69.48
7637	NYSE	BKH	Mon, Sep 26, 2022	72.97	73.03	71.02	71.68
7636	NYSE	BKH	Fri, Sep 23, 2022	74.32	74.32	72.51	73.28
7635	NYSE	BKH	Thu, Sep 22, 2022	74.48	75.47	74.00	74.82
7634	NYSE	BKH	Wed, Sep 21, 2022	76.63	77.00	74.76	74.77
7633	NYSE	BKH	Tue, Sep 20, 2022	76.84	76.84	74.96	75.92
7632	NYSE	BKH	Mon, Sep 19, 2022	75.81	77.47	75.65	77.38
7631	NYSE	BKH	Fri, Sep 16, 2022	76.16	76.65	75.86	76.41
7630	NYSE	BKH	Thu, Sep 15, 2022	77.19	77.39	76.30	76.32
7629	NYSE	BKH	Wed, Sep 14, 2022	77.16	78.43	77.10	77.82
7628	NYSE	BKH	Tue, Sep 13, 2022	78.24	78.67	76.69	77.00
7627	NYSE	BKH	Mon, Sep 12, 2022	78.31	79.15	78.18	78.73
7626	NYSE	BKH	Fri, Sep 9, 2022	78.26	78.72	77.37	78.26
7625	NYSE	BKH	Thu, Sep 8, 2022	77.29	77.96	76.99	77.37
7624	NYSE	BKH	Wed, Sep 7, 2022	75.86	77.65	75.86	77.58
7623	NYSE	BKH	Tue, Sep 6, 2022	76.10	77.05	75.43	75.67
7622	NYSE	BKH	Fri, Sep 2, 2022	76.55	77.76	75.73	75.80
7621	NYSE	BKH	Thu, Sep 1, 2022	75.48	76.75	75.28	76.42
7620	NYSE	BKH	Wed, Aug 31, 2022	76.25	76.65	75.33	75.48
7619	NYSE	BKH	Tue, Aug 30, 2022	77.83	77.93	76.08	76.50
7618	NYSE	BKH	Mon, Aug 29, 2022	77.80	78.88	77.20	77.92
7617	NYSE	BKH	Fri, Aug 26, 2022	78.45	79.15	78.02	78.02
7616	NYSE	BKH	Thu, Aug 25, 2022	77.55	78.42	77.29	78.41
7615	NYSE	BKH	Wed, Aug 24, 2022	77.98	77.98	76.91	77.42
7614	NYSE	BKH	Tue, Aug 23, 2022	78.72	78.72	77.72	77.73
7613	NYSE	BKH	Mon, Aug 22, 2022	78.84	79.22	78.37	78.60
7612	NYSE	BKH	Fri, Aug 19, 2022	78.84	79.78	78.75	79.16
7611	NYSE	BKH	Thu, Aug 18, 2022	78.69	79.36	78.69	79.00
7610	NYSE	BKH	Wed, Aug 17, 2022	77.80	79.03	77.80	78.74
7609	NYSE	BKH	Tue, Aug 16, 2022	78.40	79.17	78.38	78.25
7608	NYSE	BKH	Mon, Aug 15, 2022	77.39	78.47	77.15	78.32
7607	NYSE	BKH	Fri, Aug 12, 2022	76.31	77.85	76.31	77.80
7606	NYSE	BKH	Thu, Aug 11, 2022	76.88	77.29	75.88	75.93
7605	NYSE	BKH	Wed, Aug 10, 2022	76.50	77.14	76.27	76.86
7604	NYSE	BKH	Tue, Aug 9, 2022	75.35	76.33	74.91	76.18
7603	NYSE	BKH	Mon, Aug 8, 2022	74.89	75.49	74.34	74.66
7602	NYSE	BKH	Fri, Aug 5, 2022	74.54	74.60	73.53	74.40
7601	NYSE	BKH	Thu, Aug 4, 2022	76.50	76.65	74.52	75.03
7600	NYSE	BKH	Wed, Aug 3, 2022	75.50	76.13	74.07	76.13
7599	NYSE	BKH	Tue, Aug 2, 2022	76.69	76.69	75.58	75.72
7598	NYSE	BKH	Mon, Aug 1, 2022	77.00	77.09	75.28	76.22
7597	NYSE	BKH	Fri, Jul 29, 2022	76.30	78.00	76.30	77.20
7596	NYSE	BKH	Thu, Jul 28, 2022	75.15	76.49	74.71	76.41
7595	NYSE	BKH	Wed, Jul 27, 2022	74.58	74.71	73.44	74.39
7594	NYSE	BKH	Tue, Jul 26, 2022	73.56	74.93	73.56	74.79
7593	NYSE	BKH	Mon, Jul 25, 2022	71.65	73.61	71.27	73.53
7592	NYSE	BKH	Fri, Jul 22, 2022	70.98	71.56	70.48	71.54
7591	NYSE	BKH	Thu, Jul 21, 2022	70.16	70.51	69.42	70.47
7590	NYSE	BKH	Wed, Jul 20, 2022	72.44	72.44	70.52	70.61
7589	NYSE	BKH	Tue, Jul 19, 2022	72.27	72.89	71.98	72.50
7588	NYSE	BKH	Mon, Jul 18, 2022	72.71	72.71	71.43	71.54
7587	NYSE	BKH	Fri, Jul 15, 2022	71.92	72.52	70.32	72.38
7586	NYSE	BKH	Thu, Jul 14, 2022	70.00	71.53	70.00	71.43
7585	NYSE	BKH	Wed, Jul 13, 2022	70.77	71.79	70.26	71.17
7584	NYSE	BKH	Tue, Jul 12, 2022	71.59	72.68	70.89	71.30
7583	NYSE	BKH	Mon, Jul 11, 2022	71.14	72.00	71.04	71.90
7582	NYSE	BKH	Fri, Jul 8, 2022	71.28	71.61	70.78	71.14
7581	NYSE	BKH	Thu, Jul 7, 2022	72.33	72.62	71.25	71.28
7580	NYSE	BKH	Wed, Jul 6, 2022	71.73	72.82	70.63	72.36
7579	NYSE	BKH	Tue, Jul 5, 2022	75.00	75.05	69.75	71.39
7578	NYSE	BKH	Fri, Jul 1, 2022	73.62	75.82	72.79	75.59
7577	NYSE	BKH	Thu, Jun 30, 2022	72.00	73.07	71.61	72.77
7576	NYSE	BKH	Wed, Jun 29, 2022	73.00	73.57	72.10	72.44
7575	NYSE	BKH	Tue, Jun 28, 2022	73.83	74.40	72.89	73.20
7574	NYSE	BKH	Mon, Jun 27, 2022	71.80	73.16	71.50	73.10
7573	NYSE	BKH	Fri, Jun 24, 2022	70.30	72.07	70.30	71.49
7572	NYSE	BKH	Thu, Jun 23, 2022	69.44	70.44	69.33	70.17
7571	NYSE	BKH	Wed, Jun 22, 2022	67.15	69.47	67.15	69.06
7570	NYSE	BKH	Tue, Jun 21, 2022	67.26	68.26	66.58	67.77
7569	NYSE	BKH	Fri, Jun 17, 2022	68.92	69.44	66.42	66.81
7568	NYSE	BKH	Thu, Jun 16, 2022	68.91	69.20	68.02	68.43
7567	NYSE	BKH	Wed, Jun 15, 2022	69.67	70.69	68.74	69.75
7566	NYSE	BKH	Tue, Jun 14, 2022	70.58	70.96	68.02	69.24
7565	NYSE	BKH	Mon, Jun 13, 2022	73.37	73.49	70.52	70.96
7564	NYSE	BKH	Fri, Jun 10, 2022	73.45	74.93	73.05	74.40
7563	NYSE	BKH	Thu, Jun 9, 2022	75.58	76.21	74.10	74.19
7562	NYSE	BKH	Wed, Jun 8, 2022	76.75	76.81	75.71	75.83
7561	NYSE	BKH	Tue, Jun 7, 2022	76.02	77.08	75.79	77.07
7560	NYSE	BKH	Mon, Jun 6, 2022	76.37	76.68	75.65	76.31
7559	NYSE	BKH	Fri, Jun 3, 2022	75.92	76.28	75.13	75.56
7558	NYSE	BKH	Thu, Jun 2, 2022	76.74	76.74	74.28	75.92
7557	NYSE	BKH	Wed, Jun 1, 2022	76.66	76.85	75.70	76.38
7556	NYSE	BKH	Tue, May 31, 2022	76.62	76.99	75.90	76.66
7555	NYSE	BKH	Fri, May 27, 2022	76.70	77.41	75.97	77.31
7554	NYSE	BKH	Thu, May 26, 2022	77.95	78.01	76.75	76.77
7553	NYSE	BKH	Wed, May 25, 2022	76.83	77.45	76.32	77.33
7552	NYSE	BKH	Tue, May 24, 2022	74.66	76.94	74.55	76.76
7551	NYSE	BKH	Mon, May 23, 2022	74.59	74.68	73.47	74.31
7550	NYSE	BKH	Fri, May 20, 2022	73.85	73.99	72.58	73.19
7549	NYSE	BKH	Thu, May 19, 2022	74.37	74.41	72.99	73.63
7548	NYSE	BKH	Wed, May 18, 2022	76.64	76.64	74.30	74.43
7547	NYSE	BKH	Tue, May 17, 2022	76.10	76.69	75.00	75.75
7546	NYSE	BKH	Mon, May 16, 2022	76.03	76.72	75.61	75.99
7545	NYSE	BKH	Fri, May 13, 2022	75.24	76.10	73.83	75.98
7544	NYSE	BKH	Thu, May 12, 2022	75.45	75.50	73.83	74.51
7543	NYSE	BKH	Wed, May 11, 2022	75.28	76.76	74.98	75.27
7542	NYSE	BKH	Tue, May 10, 2022	76.81	77.59	74.58	75.28
7541	NYSE	BKH	Mon, May 9, 2022	75.71	77.19	74.57	76.55
7540	NYSE	BKH	Fri, May 6, 2022	74.10	75.81	74.04	75.61
7539	NYSE	BKH	Thu, May 5, 2022	76.37	76.62	74.27	75.34
7538	NYSE	BKH	Wed, May 4, 2022	73.89	75.74	73.42	75.74
7537	NYSE	BKH	Tue, May 3, 2022	72.61	74.16	72.16	73.40
7536	NYSE	BKH	Mon, May 2, 2022	73.65	74.39	71.50	72.37
7535	NYSE	BKH	Fri, Apr 29, 2022	75.41	75.82	73.09	73.24
7534	NYSE	BKH	Thu, Apr 28, 2022	76.18	76.52	75.13	75.53
7533	NYSE	BKH	Wed, Apr 27, 2022	76.30	77.49	75.00	75.91
7532	NYSE	BKH	Tue, Apr 26, 2022	75.68	77.77	75.68	76.33
7531	NYSE	BKH	Mon, Apr 25, 2022	79.43	79.43	75.21	76.10
7530	NYSE	BKH	Fri, Apr 22, 2022	79.62	79.62	78.83	79.03
7529	NYSE	BKH	Thu, Apr 21, 2022	79.99	80.76	79.57	79.65
7528	NYSE	BKH	Wed, Apr 20, 2022	80.00	80.95	79.84	79.99
7527	NYSE	BKH	Tue, Apr 19, 2022	78.94	79.44	78.76	79.18
7526	NYSE	BKH	Mon, Apr 18, 2022	78.83	79.59	77.93	78.44
7525	NYSE	BKH	Thu, Apr 14, 2022	78.48	79.29	78.46	78.65
7524	NYSE	BKH	Wed, Apr 13, 2022	78.17	78.46	77.44	78.30
7523	NYSE	BKH	Tue, Apr 12, 2022	77.30	78.17	77.15	77.95
7522	NYSE	BKH	Mon, Apr 11, 2022	79.00	79.35	77.29	77.31
7521	NYSE	BKH	Fri, Apr 8, 2022	77.91	78.88	77.62	78.64
7520	NYSE	BKH	Thu, Apr 7, 2022	78.31	78.99	77.34	77.73
7519	NYSE	BKH	Wed, Apr 6, 2022	76.81	78.62	76.81	78.39
7518	NYSE	BKH	Tue, Apr 5, 2022	76.28	77.53	76.28	76.80
7517	NYSE	BKH	Mon, Apr 4, 2022	77.76	77.77	75.46	76.36
7516	NYSE	BKH	Fri, Apr 1, 2022	76.94	78.55	76.57	78.44
7515	NYSE	BKH	Thu, Mar 31, 2022	77.06	77.65	76.57	77.02
7514	NYSE	BKH	Wed, Mar 30, 2022	75.87	76.76	75.60	76.74
7513	NYSE	BKH	Tue, Mar 29, 2022	74.87	75.86	74.61	75.74
7512	NYSE	BKH	Mon, Mar 28, 2022	74.16	74.68	73.74	74.65
7511	NYSE	BKH	Fri, Mar 25, 2022	72.73	74.40	72.66	74.40
7510	NYSE	BKH	Thu, Mar 24, 2022	71.97	72.75	71.40	72.51
7509	NYSE	BKH	Wed, Mar 23, 2022	71.96	72.43	70.84	71.92
7508	NYSE	BKH	Tue, Mar 22, 2022	72.61	72.61	71.56	72.20
7507	NYSE	BKH	Mon, Mar 21, 2022	71.63	72.50	71.51	72.39
7506	NYSE	BKH	Fri, Mar 18, 2022	72.44	72.69	71.00	71.88
7505	NYSE	BKH	Thu, Mar 17, 2022	71.37	72.80	70.96	72.16
7504	NYSE	BKH	Wed, Mar 16, 2022	72.56	72.71	70.08	71.58
7503	NYSE	BKH	Tue, Mar 15, 2022	71.50	72.72	71.39	72.46
7502	NYSE	BKH	Mon, Mar 14, 2022	71.35	71.42	70.25	71.17
7501	NYSE	BKH	Fri, Mar 11, 2022	70.48	71.59	70.48	71.04
7500	NYSE	BKH	Thu, Mar 10, 2022	69.61	70.98	69.61	70.90
7499	NYSE	BKH	Wed, Mar 9, 2022	72.31	72.44	70.28	70.33
7498	NYSE	BKH	Tue, Mar 8, 2022	72.95	73.27	71.45	71.45
7497	NYSE	BKH	Mon, Mar 7, 2022	73.00	73.43	71.86	72.77
7496	NYSE	BKH	Fri, Mar 4, 2022	71.05	72.82	70.83	72.78
7495	NYSE	BKH	Thu, Mar 3, 2022	70.17	71.69	69.85	71.54
7494	NYSE	BKH	Wed, Mar 2, 2022	68.68	70.11	68.39	69.95
7493	NYSE	BKH	Tue, Mar 1, 2022	69.79	70.58	67.67	68.48
7492	NYSE	BKH	Mon, Feb 28, 2022	69.32	70.25	69.32	69.99
7491	NYSE	BKH	Fri, Feb 25, 2022	68.85	70.38	68.71	69.89
7490	NYSE	BKH	Thu, Feb 24, 2022	66.53	68.18	65.92	68.03
7489	NYSE	BKH	Wed, Feb 23, 2022	69.47	69.70	67.03	67.08
7488	NYSE	BKH	Tue, Feb 22, 2022	69.17	70.10	68.48	69.14
7487	NYSE	BKH	Fri, Feb 18, 2022	67.87	69.27	67.84	69.01
7486	NYSE	BKH	Thu, Feb 17, 2022	66.89	68.52	66.56	68.23
7485	NYSE	BKH	Wed, Feb 16, 2022	66.61	67.29	65.97	67.26
7484	NYSE	BKH	Tue, Feb 15, 2022	66.79	67.12	66.25	66.65
7483	NYSE	BKH	Mon, Feb 14, 2022	66.81	67.32	65.44	66.29
7482	NYSE	BKH	Fri, Feb 11, 2022	66.91	66.97	65.90	66.66
7481	NYSE	BKH	Thu, Feb 10, 2022	66.11	68.12	65.58	66.18
7480	NYSE	BKH	Wed, Feb 9, 2022	66.63	66.93	65.47	66.93
7479	NYSE	BKH	Tue, Feb 8, 2022	67.97	68.03	66.26	66.33
7478	NYSE	BKH	Mon, Feb 7, 2022	65.75	68.03	65.40	67.75
7477	NYSE	BKH	Fri, Feb 4, 2022	66.19	66.19	64.39	64.96
7476	NYSE	BKH	Thu, Feb 3, 2022	66.50	67.25	66.20	66.31
7475	NYSE	BKH	Wed, Feb 2, 2022	66.84	67.41	66.61	66.73
7474	NYSE	BKH	Tue, Feb 1, 2022	67.43	67.94	66.24	66.95
7473	NYSE	BKH	Mon, Jan 31, 2022	66.97	67.84	66.29	67.74
7472	NYSE	BKH	Fri, Jan 28, 2022	66.66	67.57	66.21	67.56
7471	NYSE	BKH	Thu, Jan 27, 2022	66.97	67.80	66.33	66.64
7470	NYSE	BKH	Wed, Jan 26, 2022	67.69	68.36	66.14	66.80
7469	NYSE	BKH	Tue, Jan 25, 2022	66.00	68.09	65.74	67.44
7468	NYSE	BKH	Mon, Jan 24, 2022	66.90	67.63	65.32	66.85
7467	NYSE	BKH	Fri, Jan 21, 2022	67.12	68.19	66.83	66.93
7466	NYSE	BKH	Thu, Jan 20, 2022	67.20	68.24	66.83	66.91
7465	NYSE	BKH	Wed, Jan 19, 2022	67.54	68.41	67.18	67.22
7464	NYSE	BKH	Tue, Jan 18, 2022	68.00	68.70	67.01	67.73
7463	NYSE	BKH	Fri, Jan 14, 2022	67.61	68.61	67.61	68.49
7462	NYSE	BKH	Thu, Jan 13, 2022	67.83	69.15	67.70	68.38
7461	NYSE	BKH	Wed, Jan 12, 2022	67.83	68.43	67.00	67.94
7460	NYSE	BKH	Tue, Jan 11, 2022	69.59	69.65	67.60	67.83
7459	NYSE	BKH	Mon, Jan 10, 2022	70.57	71.07	69.25	69.41
7458	NYSE	BKH	Fri, Jan 7, 2022	69.40	70.59	69.24	70.39
7457	NYSE	BKH	Thu, Jan 6, 2022	70.72	70.93	69.42	69.54
7456	NYSE	BKH	Wed, Jan 5, 2022	70.45	71.52	70.21	70.40
7455	NYSE	BKH	Tue, Jan 4, 2022	70.16	71.10	70.05	70.45
7454	NYSE	BKH	Mon, Jan 3, 2022	70.69	71.00	69.21	69.90
7453	NYSE	BKH	Fri, Dec 31, 2021	70.52	70.92	70.24	70.57
7452	NYSE	BKH	Thu, Dec 30, 2021	70.50	70.93	70.35	70.71
7451	NYSE	BKH	Wed, Dec 29, 2021	69.82	70.34	69.54	70.32
7450	NYSE	BKH	Tue, Dec 28, 2021	69.08	69.59	68.89	69.53
7449	NYSE	BKH	Mon, Dec 27, 2021	68.62	69.19	68.16	69.15
7448	NYSE	BKH	Thu, Dec 23, 2021	69.00	69.22	68.51	68.69
7447	NYSE	BKH	Wed, Dec 22, 2021	68.06	68.96	67.83	68.96
7446	NYSE	BKH	Tue, Dec 21, 2021	68.44	68.81	67.81	68.32
7445	NYSE	BKH	Mon, Dec 20, 2021	67.39	67.98	66.08	67.86
7444	NYSE	BKH	Fri, Dec 17, 2021	68.98	69.67	67.59	67.98
7443	NYSE	BKH	Thu, Dec 16, 2021	69.92	70.50	69.05	69.22
7442	NYSE	BKH	Wed, Dec 15, 2021	68.72	70.19	68.72	69.96
7441	NYSE	BKH	Tue, Dec 14, 2021	68.79	69.12	68.14	68.45
7440	NYSE	BKH	Mon, Dec 13, 2021	67.03	69.12	67.00	68.46
7439	NYSE	BKH	Fri, Dec 10, 2021	67.34	67.89	67.16	67.28
7438	NYSE	BKH	Thu, Dec 9, 2021	66.89	67.30	66.48	67.08
7437	NYSE	BKH	Wed, Dec 8, 2021	66.94	67.63	66.90	67.18
7436	NYSE	BKH	Tue, Dec 7, 2021	67.13	67.84	66.68	66.92
7435	NYSE	BKH	Mon, Dec 6, 2021	66.58	67.76	66.46	67.08
7434	NYSE	BKH	Fri, Dec 3, 2021	65.70	66.00	65.09	65.81
7433	NYSE	BKH	Thu, Dec 2, 2021	64.44	65.90	64.27	65.37
7432	NYSE	BKH	Wed, Dec 1, 2021	64.85	66.26	64.23	64.27
7431	NYSE	BKH	Tue, Nov 30, 2021	65.66	65.66	64.08	64.12
7430	NYSE	BKH	Mon, Nov 29, 2021	65.69	66.46	65.06	66.12
7429	NYSE	BKH	Fri, Nov 26, 2021	65.94	66.19	64.54	64.98
7428	NYSE	BKH	Wed, Nov 24, 2021	67.17	67.42	66.38	66.84
7427	NYSE	BKH	Tue, Nov 23, 2021	66.51	67.29	66.20	67.15
7426	NYSE	BKH	Mon, Nov 22, 2021	65.50	66.78	65.18	66.46
7425	NYSE	BKH	Fri, Nov 19, 2021	64.17	65.34	63.99	65.24
7424	NYSE	BKH	Thu, Nov 18, 2021	64.44	64.88	64.10	64.50
7423	NYSE	BKH	Wed, Nov 17, 2021	64.44	64.74	63.73	64.54
7422	NYSE	BKH	Tue, Nov 16, 2021	65.57	65.84	64.44	64.59
7421	NYSE	BKH	Mon, Nov 15, 2021	65.48	66.12	65.15	65.53
7420	NYSE	BKH	Fri, Nov 12, 2021	65.72	65.84	64.95	65.04
7419	NYSE	BKH	Thu, Nov 11, 2021	66.25	66.35	65.08	65.56
7418	NYSE	BKH	Wed, Nov 10, 2021	64.57	66.58	64.57	66.43
7417	NYSE	BKH	Tue, Nov 9, 2021	64.92	65.30	64.31	64.62
7416	NYSE	BKH	Mon, Nov 8, 2021	66.31	66.47	64.17	64.74
7415	NYSE	BKH	Fri, Nov 5, 2021	66.11	67.11	65.85	66.10
7414	NYSE	BKH	Thu, Nov 4, 2021	67.63	67.78	65.29	65.67
7413	NYSE	BKH	Wed, Nov 3, 2021	66.52	68.61	66.52	67.61
7412	NYSE	BKH	Tue, Nov 2, 2021	67.66	67.66	66.17	66.40
7411	NYSE	BKH	Mon, Nov 1, 2021	66.68	67.74	66.34	67.51
7410	NYSE	BKH	Fri, Oct 29, 2021	66.68	67.28	65.68	66.38
7409	NYSE	BKH	Thu, Oct 28, 2021	66.11	66.86	66.11	66.79
7408	NYSE	BKH	Wed, Oct 27, 2021	66.75	66.75	65.83	66.13
7407	NYSE	BKH	Tue, Oct 26, 2021	66.44	66.95	66.23	66.32
7406	NYSE	BKH	Mon, Oct 25, 2021	66.18	66.71	65.58	66.44
7405	NYSE	BKH	Fri, Oct 22, 2021	66.00	66.58	65.58	66.33
7404	NYSE	BKH	Thu, Oct 21, 2021	65.26	65.88	65.04	65.80
7403	NYSE	BKH	Wed, Oct 20, 2021	64.64	65.70	64.64	65.25
7402	NYSE	BKH	Tue, Oct 19, 2021	64.26	64.72	63.97	64.56
7401	NYSE	BKH	Mon, Oct 18, 2021	64.13	64.13	63.42	63.87
7400	NYSE	BKH	Fri, Oct 15, 2021	65.13	65.28	64.52	64.57
7399	NYSE	BKH	Thu, Oct 14, 2021	64.67	64.87	64.31	64.77
7398	NYSE	BKH	Wed, Oct 13, 2021	63.41	64.28	63.03	64.15
7397	NYSE	BKH	Tue, Oct 12, 2021	63.28	63.97	62.78	63.66
7396	NYSE	BKH	Mon, Oct 11, 2021	63.91	64.12	62.91	63.12
7395	NYSE	BKH	Fri, Oct 8, 2021	65.02	65.20	63.98	63.99
7394	NYSE	BKH	Thu, Oct 7, 2021	66.12	66.26	64.68	65.02
7393	NYSE	BKH	Wed, Oct 6, 2021	64.55	66.18	64.15	66.12
7392	NYSE	BKH	Tue, Oct 5, 2021	64.75	65.29	64.10	64.85
7391	NYSE	BKH	Mon, Oct 4, 2021	63.14	64.71	63.14	64.45
7390	NYSE	BKH	Fri, Oct 1, 2021	63.24	64.05	62.48	63.15
7389	NYSE	BKH	Thu, Sep 30, 2021	63.79	63.86	62.74	62.76
7388	NYSE	BKH	Wed, Sep 29, 2021	62.51	63.64	62.16	63.54
7387	NYSE	BKH	Tue, Sep 28, 2021	63.17	63.48	61.95	62.28
7386	NYSE	BKH	Mon, Sep 27, 2021	62.89	64.18	62.80	63.23
7385	NYSE	BKH	Fri, Sep 24, 2021	63.19	63.58	62.60	62.86
7384	NYSE	BKH	Thu, Sep 23, 2021	63.81	64.49	63.10	63.23
7383	NYSE	BKH	Wed, Sep 22, 2021	64.25	64.70	63.69	63.84
7382	NYSE	BKH	Tue, Sep 21, 2021	64.82	65.23	63.97	64.04
7381	NYSE	BKH	Mon, Sep 20, 2021	64.81	65.24	63.76	64.47
7380	NYSE	BKH	Fri, Sep 17, 2021	66.80	67.11	65.36	65.40
7379	NYSE	BKH	Thu, Sep 16, 2021	67.69	67.74	66.41	66.61
7378	NYSE	BKH	Wed, Sep 15, 2021	67.65	68.50	67.31	67.69
7377	NYSE	BKH	Tue, Sep 14, 2021	68.04	68.10	67.24	67.73
7376	NYSE	BKH	Mon, Sep 13, 2021	67.89	68.24	67.41	67.61
7375	NYSE	BKH	Fri, Sep 10, 2021	68.99	69.01	67.34	67.36
7374	NYSE	BKH	Thu, Sep 9, 2021	70.00	70.18	68.91	68.94
7373	NYSE	BKH	Wed, Sep 8, 2021	69.79	71.03	69.50	70.13
7372	NYSE	BKH	Tue, Sep 7, 2021	71.15	71.38	69.97	69.99
7371	NYSE	BKH	Fri, Sep 3, 2021	71.92	71.92	71.22	71.49
7370	NYSE	BKH	Thu, Sep 2, 2021	71.64	72.13	71.34	72.10
7369	NYSE	BKH	Wed, Sep 1, 2021	70.52	71.62	70.07	71.53
7368	NYSE	BKH	Tue, Aug 31, 2021	70.40	70.80	69.96	70.33
7367	NYSE	BKH	Mon, Aug 30, 2021	70.84	70.84	70.13	70.66
7366	NYSE	BKH	Fri, Aug 27, 2021	70.21	71.07	70.03	70.71
7365	NYSE	BKH	Thu, Aug 26, 2021	70.74	71.15	70.17	70.21
7364	NYSE	BKH	Wed, Aug 25, 2021	71.08	71.20	70.15	70.93
7363	NYSE	BKH	Tue, Aug 24, 2021	71.64	71.64	70.51	70.84
7362	NYSE	BKH	Mon, Aug 23, 2021	72.62	72.77	71.42	71.58
7361	NYSE	BKH	Fri, Aug 20, 2021	71.67	72.78	71.66	72.59
7360	NYSE	BKH	Thu, Aug 19, 2021	71.61	72.35	71.44	71.76
7359	NYSE	BKH	Wed, Aug 18, 2021	72.28	72.28	71.40	71.84
7358	NYSE	BKH	Tue, Aug 17, 2021	71.43	72.42	71.13	72.35
7357	NYSE	BKH	Mon, Aug 16, 2021	72.25	72.63	71.63	71.83
7356	NYSE	BKH	Fri, Aug 13, 2021	71.18	72.09	71.12	72.05
7355	NYSE	BKH	Thu, Aug 12, 2021	71.65	71.82	70.99	71.21
7354	NYSE	BKH	Wed, Aug 11, 2021	70.36	71.42	70.20	71.39
7353	NYSE	BKH	Tue, Aug 10, 2021	70.11	70.51	69.57	70.24
7352	NYSE	BKH	Mon, Aug 9, 2021	70.55	70.86	69.74	69.91
7351	NYSE	BKH	Fri, Aug 6, 2021	71.00	71.56	70.25	70.25
7350	NYSE	BKH	Thu, Aug 5, 2021	70.00	70.69	69.32	70.59
7349	NYSE	BKH	Wed, Aug 4, 2021	69.16	70.07	68.65	69.96
7348	NYSE	BKH	Tue, Aug 3, 2021	68.39	69.93	67.86	69.93
7347	NYSE	BKH	Mon, Aug 2, 2021	67.98	68.76	67.70	68.03
7346	NYSE	BKH	Fri, Jul 30, 2021	68.21	68.85	67.36	67.65
7345	NYSE	BKH	Thu, Jul 29, 2021	68.59	68.89	67.81	68.24
7344	NYSE	BKH	Wed, Jul 28, 2021	68.25	68.73	67.55	68.37
7343	NYSE	BKH	Tue, Jul 27, 2021	67.36	68.49	67.08	68.06
7342	NYSE	BKH	Mon, Jul 26, 2021	67.85	68.12	67.28	67.49
7341	NYSE	BKH	Fri, Jul 23, 2021	66.77	67.73	66.50	67.66
7340	NYSE	BKH	Thu, Jul 22, 2021	66.83	67.13	66.15	66.33
7339	NYSE	BKH	Wed, Jul 21, 2021	68.25	68.60	67.07	67.12
7338	NYSE	BKH	Tue, Jul 20, 2021	66.32	68.38	66.32	67.92
7337	NYSE	BKH	Mon, Jul 19, 2021	67.90	68.16	65.65	66.37
7336	NYSE	BKH	Fri, Jul 16, 2021	68.08	69.04	68.07	68.48
7335	NYSE	BKH	Thu, Jul 15, 2021	66.28	67.97	66.15	67.87
7334	NYSE	BKH	Wed, Jul 14, 2021	66.16	67.04	65.84	66.46
7333	NYSE	BKH	Tue, Jul 13, 2021	66.57	66.71	65.97	66.09
7332	NYSE	BKH	Mon, Jul 12, 2021	66.43	66.88	66.01	66.81
7331	NYSE	BKH	Fri, Jul 9, 2021	65.96	66.75	65.80	66.66
7330	NYSE	BKH	Thu, Jul 8, 2021	65.49	66.09	65.30	65.61
7329	NYSE	BKH	Wed, Jul 7, 2021	65.22	66.13	65.18	66.00
7328	NYSE	BKH	Tue, Jul 6, 2021	65.80	66.04	64.26	65.49
7327	NYSE	BKH	Fri, Jul 2, 2021	66.43	66.52	65.69	65.77
7326	NYSE	BKH	Thu, Jul 1, 2021	65.91	66.66	65.59	66.21
7325	NYSE	BKH	Wed, Jun 30, 2021	65.55	65.97	64.88	65.63
7324	NYSE	BKH	Tue, Jun 29, 2021	67.28	67.42	65.58	65.63
7323	NYSE	BKH	Mon, Jun 28, 2021	67.84	68.14	67.36	67.46
7322	NYSE	BKH	Fri, Jun 25, 2021	67.53	68.25	67.39	67.98
7321	NYSE	BKH	Thu, Jun 24, 2021	67.22	67.75	66.60	67.59
7320	NYSE	BKH	Wed, Jun 23, 2021	68.53	68.53	67.09	67.13
7319	NYSE	BKH	Tue, Jun 22, 2021	69.44	69.61	68.51	68.58
7318	NYSE	BKH	Mon, Jun 21, 2021	67.75	69.77	67.67	69.55
7317	NYSE	BKH	Fri, Jun 18, 2021	69.56	69.56	67.57	67.59
7316	NYSE	BKH	Thu, Jun 17, 2021	69.93	70.30	69.53	69.93
7315	NYSE	BKH	Wed, Jun 16, 2021	70.05	70.20	69.13	69.95
7314	NYSE	BKH	Tue, Jun 15, 2021	69.28	70.06	69.24	69.82
7313	NYSE	BKH	Mon, Jun 14, 2021	69.70	69.93	68.97	69.44
7312	NYSE	BKH	Fri, Jun 11, 2021	69.20	69.67	68.81	69.67
7311	NYSE	BKH	Thu, Jun 10, 2021	69.15	69.32	68.75	69.15
7310	NYSE	BKH	Wed, Jun 9, 2021	68.97	69.13	68.40	69.05
7309	NYSE	BKH	Tue, Jun 8, 2021	68.93	68.93	68.30	68.77
7308	NYSE	BKH	Mon, Jun 7, 2021	68.62	69.07	68.40	68.74
7307	NYSE	BKH	Fri, Jun 4, 2021	68.18	68.68	67.99	68.47
7306	NYSE	BKH	Thu, Jun 3, 2021	66.31	68.04	66.01	67.90
7305	NYSE	BKH	Wed, Jun 2, 2021	66.20	66.87	65.60	66.68
7304	NYSE	BKH	Tue, Jun 1, 2021	65.97	66.04	65.33	65.97
7303	NYSE	BKH	Fri, May 28, 2021	65.52	65.82	65.28	65.79
7302	NYSE	BKH	Thu, May 27, 2021	65.87	66.00	65.32	65.35
7301	NYSE	BKH	Wed, May 26, 2021	65.52	66.20	65.38	65.65
7300	NYSE	BKH	Tue, May 25, 2021	65.90	66.10	65.11	65.78
7299	NYSE	BKH	Mon, May 24, 2021	66.26	66.48	65.61	66.04
7298	NYSE	BKH	Fri, May 21, 2021	66.29	66.72	65.83	66.17
7297	NYSE	BKH	Thu, May 20, 2021	65.31	66.47	65.26	66.21
7296	NYSE	BKH	Wed, May 19, 2021	65.23	65.37	64.71	65.25
7295	NYSE	BKH	Tue, May 18, 2021	66.04	66.13	65.55	65.59
7294	NYSE	BKH	Mon, May 17, 2021	67.09	67.11	65.74	66.04
7293	NYSE	BKH	Fri, May 14, 2021	67.26	67.95	66.84	67.05
7292	NYSE	BKH	Thu, May 13, 2021	65.30	67.44	65.08	67.01
7291	NYSE	BKH	Wed, May 12, 2021	67.13	67.35	65.26	65.32
7290	NYSE	BKH	Tue, May 11, 2021	68.50	68.50	66.82	67.23
7289	NYSE	BKH	Mon, May 10, 2021	68.64	69.65	68.62	68.86
7288	NYSE	BKH	Fri, May 7, 2021	68.13	69.03	67.89	68.61
7287	NYSE	BKH	Thu, May 6, 2021	67.77	68.40	67.38	68.40
7286	NYSE	BKH	Wed, May 5, 2021	68.71	67.49	66.30	67.42
7285	NYSE	BKH	Tue, May 4, 2021	69.10	69.37	68.44	68.65
7284	NYSE	BKH	Mon, May 3, 2021	69.33	69.94	68.79	68.99
7283	NYSE	BKH	Fri, Apr 30, 2021	68.66	68.98	68.42	68.98
7282	NYSE	BKH	Thu, Apr 29, 2021	68.43	69.33	68.43	68.79
7281	NYSE	BKH	Wed, Apr 28, 2021	68.41	68.66	67.71	68.16
7280	NYSE	BKH	Tue, Apr 27, 2021	69.13	69.36	68.07	68.12
7279	NYSE	BKH	Mon, Apr 26, 2021	69.69	69.69	69.09	69.23
7278	NYSE	BKH	Fri, Apr 23, 2021	69.79	70.16	69.26	69.56
7277	NYSE	BKH	Thu, Apr 22, 2021	70.48	70.49	69.65	69.86
7276	NYSE	BKH	Wed, Apr 21, 2021	71.03	71.08	70.23	70.41
7275	NYSE	BKH	Tue, Apr 20, 2021	70.35	71.34	70.11	71.09
7274	NYSE	BKH	Mon, Apr 19, 2021	70.75	70.99	70.10	70.47
7273	NYSE	BKH	Fri, Apr 16, 2021	70.72	71.21	70.27	70.59
7272	NYSE	BKH	Thu, Apr 15, 2021	69.64	70.25	69.01	70.23
7271	NYSE	BKH	Wed, Apr 14, 2021	68.51	69.66	68.51	69.50
7270	NYSE	BKH	Tue, Apr 13, 2021	68.60	69.08	68.23	68.67
7269	NYSE	BKH	Mon, Apr 12, 2021	68.10	69.07	67.95	68.85
7268	NYSE	BKH	Fri, Apr 9, 2021	67.40	67.93	67.39	67.68
7267	NYSE	BKH	Thu, Apr 8, 2021	67.53	68.14	66.81	67.38
7266	NYSE	BKH	Wed, Apr 7, 2021	67.85	68.17	67.30	67.36
7265	NYSE	BKH	Tue, Apr 6, 2021	67.99	68.47	67.30	67.79
7264	NYSE	BKH	Mon, Apr 5, 2021	66.79	68.21	66.79	67.81
7263	NYSE	BKH	Thu, Apr 1, 2021	66.62	66.80	65.96	66.70
7262	NYSE	BKH	Wed, Mar 31, 2021	66.53	67.32	66.37	66.77
7261	NYSE	BKH	Tue, Mar 30, 2021	66.80	67.46	66.34	66.78
7260	NYSE	BKH	Mon, Mar 29, 2021	66.46	67.47	66.43	67.21
7259	NYSE	BKH	Fri, Mar 26, 2021	67.36	67.36	66.20	66.69
7258	NYSE	BKH	Thu, Mar 25, 2021	65.90	67.33	65.80	66.79
7257	NYSE	BKH	Wed, Mar 24, 2021	64.85	66.63	64.85	65.89
7256	NYSE	BKH	Tue, Mar 23, 2021	65.11	65.73	64.70	65.03
7255	NYSE	BKH	Mon, Mar 22, 2021	66.96	67.29	65.13	65.20
7254	NYSE	BKH	Fri, Mar 19, 2021	65.95	67.08	64.66	67.08
7253	NYSE	BKH	Thu, Mar 18, 2021	66.00	66.48	65.06	65.94
7252	NYSE	BKH	Wed, Mar 17, 2021	66.91	66.91	65.74	65.96
7251	NYSE	BKH	Tue, Mar 16, 2021	66.08	66.85	66.06	66.67
7250	NYSE	BKH	Mon, Mar 15, 2021	65.65	66.41	65.10	66.40
7249	NYSE	BKH	Fri, Mar 12, 2021	64.65	65.98	64.65	65.79
7248	NYSE	BKH	Thu, Mar 11, 2021	64.92	65.22	63.84	64.05
7247	NYSE	BKH	Wed, Mar 10, 2021	63.57	65.62	63.42	65.11
7246	NYSE	BKH	Tue, Mar 9, 2021	64.17	64.33	63.26	63.57
7245	NYSE	BKH	Mon, Mar 8, 2021	62.97	64.66	62.76	64.15
7244	NYSE	BKH	Fri, Mar 5, 2021	60.50	62.80	60.50	62.55
7243	NYSE	BKH	Thu, Mar 4, 2021	59.83	61.04	59.60	59.90
7242	NYSE	BKH	Wed, Mar 3, 2021	59.00	59.88	58.53	59.45
7241	NYSE	BKH	Tue, Mar 2, 2021	59.95	60.20	58.89	59.96
7240	NYSE	BKH	Mon, Mar 1, 2021	60.13	60.99	59.74	59.86
7239	NYSE	BKH	Fri, Feb 26, 2021	60.56	60.63	59.06	59.16
7238	NYSE	BKH	Thu, Feb 25, 2021	60.46	61.05	59.64	60.21
7237	NYSE	BKH	Wed, Feb 24, 2021	61.35	61.50	60.37	60.79
7236	NYSE	BKH	Tue, Feb 23, 2021	59.91	61.64	59.63	61.24
7235	NYSE	BKH	Mon, Feb 22, 2021	61.32	61.40	58.43	59.38
7234	NYSE	BKH	Fri, Feb 19, 2021	61.22	61.86	60.99	61.35
7233	NYSE	BKH	Thu, Feb 18, 2021	61.19	61.79	60.95	61.22
7232	NYSE	BKH	Wed, Feb 17, 2021	61.41	61.58	60.65	61.21
7231	NYSE	BKH	Tue, Feb 16, 2021	61.62	61.62	60.62	61.13
7230	NYSE	BKH	Fri, Feb 12, 2021	61.68	62.03	61.11	61.62
7229	NYSE	BKH	Thu, Feb 11, 2021	61.61	61.99	60.93	61.86
7228	NYSE	BKH	Wed, Feb 10, 2021	62.88	63.91	60.92	61.42
7227	NYSE	BKH	Tue, Feb 9, 2021	61.82	62.58	61.42	62.48
7226	NYSE	BKH	Mon, Feb 8, 2021	62.00	62.25	60.55	61.68
7225	NYSE	BKH	Fri, Feb 5, 2021	61.50	62.04	60.99	61.93
7224	NYSE	BKH	Thu, Feb 4, 2021	60.38	61.23	60.00	61.01
7223	NYSE	BKH	Wed, Feb 3, 2021	60.50	60.89	59.43	60.21
7222	NYSE	BKH	Tue, Feb 2, 2021	60.64	61.59	60.49	60.91
7221	NYSE	BKH	Mon, Feb 1, 2021	59.27	60.41	58.72	60.29
7220	NYSE	BKH	Fri, Jan 29, 2021	59.49	59.99	58.64	59.12
7219	NYSE	BKH	Thu, Jan 28, 2021	59.39	60.40	58.79	59.60
7218	NYSE	BKH	Wed, Jan 27, 2021	59.13	60.01	58.22	58.97
7217	NYSE	BKH	Tue, Jan 26, 2021	61.43	61.43	60.01	60.05
7216	NYSE	BKH	Mon, Jan 25, 2021	59.01	61.10	59.01	61.10
7215	NYSE	BKH	Fri, Jan 22, 2021	59.88	60.15	58.52	59.16
7214	NYSE	BKH	Thu, Jan 21, 2021	60.70	60.70	59.98	60.26
7213	NYSE	BKH	Wed, Jan 20, 2021	60.84	61.41	60.07	60.98
7212	NYSE	BKH	Tue, Jan 19, 2021	62.50	62.50	60.95	60.99
7211	NYSE	BKH	Fri, Jan 15, 2021	60.94	62.31	60.42	61.97
7210	NYSE	BKH	Thu, Jan 14, 2021	60.83	61.66	60.30	61.23
7209	NYSE	BKH	Wed, Jan 13, 2021	60.02	60.78	59.79	60.53
7208	NYSE	BKH	Tue, Jan 12, 2021	59.40	60.23	59.20	60.10
7207	NYSE	BKH	Mon, Jan 11, 2021	58.98	59.83	58.98	59.45
7206	NYSE	BKH	Fri, Jan 8, 2021	60.01	60.01	58.36	59.38
7205	NYSE	BKH	Thu, Jan 7, 2021	61.90	62.11	59.79	59.96
7204	NYSE	BKH	Wed, Jan 6, 2021	60.31	62.24	60.31	61.89
7203	NYSE	BKH	Tue, Jan 5, 2021	60.12	60.53	58.85	59.55
7202	NYSE	BKH	Mon, Jan 4, 2021	61.61	61.72	59.40	60.04
7201	NYSE	BKH	Thu, Dec 31, 2020	60.48	61.63	60.26	61.45
7200	NYSE	BKH	Wed, Dec 30, 2020	60.52	61.30	60.44	60.54
7199	NYSE	BKH	Tue, Dec 29, 2020	61.12	61.65	60.34	60.67
7198	NYSE	BKH	Mon, Dec 28, 2020	60.41	61.34	60.22	61.05
7197	NYSE	BKH	Thu, Dec 24, 2020	59.38	60.02	59.01	59.95
7196	NYSE	BKH	Wed, Dec 23, 2020	60.27	60.87	59.16	59.47
7195	NYSE	BKH	Tue, Dec 22, 2020	58.04	60.22	57.88	60.10
7194	NYSE	BKH	Mon, Dec 21, 2020	59.68	59.81	57.20	58.48
7193	NYSE	BKH	Fri, Dec 18, 2020	61.88	61.88	60.43	60.69
7192	NYSE	BKH	Thu, Dec 17, 2020	60.47	61.35	60.40	61.17
7191	NYSE	BKH	Wed, Dec 16, 2020	60.69	61.11	60.02	60.13
7190	NYSE	BKH	Tue, Dec 15, 2020	59.87	60.66	59.17	60.64
7189	NYSE	BKH	Mon, Dec 14, 2020	59.78	60.66	58.95	58.95
7188	NYSE	BKH	Fri, Dec 11, 2020	57.02	59.16	57.02	59.13
7187	NYSE	BKH	Thu, Dec 10, 2020	58.15	58.50	57.28	57.39
7186	NYSE	BKH	Wed, Dec 9, 2020	59.25	59.59	57.67	58.37
7185	NYSE	BKH	Tue, Dec 8, 2020	59.28	59.64	58.61	59.03
7184	NYSE	BKH	Mon, Dec 7, 2020	60.14	60.54	59.69	59.73
7183	NYSE	BKH	Fri, Dec 4, 2020	60.00	61.14	60.00	60.40
7182	NYSE	BKH	Thu, Dec 3, 2020	60.79	60.90	59.51	59.78
7181	NYSE	BKH	Wed, Dec 2, 2020	60.97	61.26	60.40	60.82
7180	NYSE	BKH	Tue, Dec 1, 2020	61.55	61.90	60.89	61.07
7179	NYSE	BKH	Mon, Nov 30, 2020	63.00	63.00	60.75	60.83
7178	NYSE	BKH	Fri, Nov 27, 2020	64.32	64.32	62.93	63.33
7177	NYSE	BKH	Wed, Nov 25, 2020	64.74	64.99	63.89	64.53
7176	NYSE	BKH	Tue, Nov 24, 2020	63.30	64.96	63.05	64.78
7175	NYSE	BKH	Mon, Nov 23, 2020	62.37	62.90	61.95	62.48
7174	NYSE	BKH	Fri, Nov 20, 2020	62.14	62.44	61.43	61.90
7173	NYSE	BKH	Thu, Nov 19, 2020	62.35	63.06	61.83	62.55
7172	NYSE	BKH	Wed, Nov 18, 2020	64.97	65.36	62.70	62.75
7171	NYSE	BKH	Tue, Nov 17, 2020	64.67	65.22	64.12	64.68
7170	NYSE	BKH	Mon, Nov 16, 2020	63.81	65.11	63.60	65.08
7169	NYSE	BKH	Fri, Nov 13, 2020	62.75	63.45	62.36	62.55
7168	NYSE	BKH	Thu, Nov 12, 2020	63.00	63.00	60.51	61.50
7167	NYSE	BKH	Wed, Nov 11, 2020	63.19	64.40	62.91	63.63
7166	NYSE	BKH	Tue, Nov 10, 2020	61.34	63.32	61.12	63.03
7165	NYSE	BKH	Mon, Nov 9, 2020	62.16	64.14	60.62	60.71
7164	NYSE	BKH	Fri, Nov 6, 2020	59.97	60.89	58.57	58.63
7163	NYSE	BKH	Thu, Nov 5, 2020	59.91	61.15	59.69	59.96
7162	NYSE	BKH	Wed, Nov 4, 2020	60.00	61.32	59.33	59.75
7161	NYSE	BKH	Tue, Nov 3, 2020	59.39	61.16	59.18	60.44
7160	NYSE	BKH	Mon, Nov 2, 2020	57.01	58.37	56.56	58.02
7159	NYSE	BKH	Fri, Oct 30, 2020	57.28	57.75	56.31	56.66
7158	NYSE	BKH	Thu, Oct 29, 2020	58.20	58.55	56.83	57.50
7157	NYSE	BKH	Wed, Oct 28, 2020	58.31	58.82	57.35	58.37
7156	NYSE	BKH	Tue, Oct 27, 2020	58.80	59.54	58.38	59.22
7155	NYSE	BKH	Mon, Oct 26, 2020	58.87	59.36	58.11	58.88
7154	NYSE	BKH	Fri, Oct 23, 2020	59.49	59.72	58.56	59.43
7153	NYSE	BKH	Thu, Oct 22, 2020	57.87	59.27	57.59	59.16
7152	NYSE	BKH	Wed, Oct 21, 2020	57.09	58.20	56.98	57.87
7151	NYSE	BKH	Tue, Oct 20, 2020	57.17	57.33	56.50	57.09
7150	NYSE	BKH	Mon, Oct 19, 2020	58.26	58.34	56.81	56.91
7149	NYSE	BKH	Fri, Oct 16, 2020	58.18	58.52	57.40	58.14
7148	NYSE	BKH	Thu, Oct 15, 2020	57.18	58.45	56.82	58.25
7147	NYSE	BKH	Wed, Oct 14, 2020	57.86	58.28	57.41	57.72
7146	NYSE	BKH	Tue, Oct 13, 2020	58.01	58.52	57.50	58.00
7145	NYSE	BKH	Mon, Oct 12, 2020	57.52	58.87	57.38	58.66
7144	NYSE	BKH	Fri, Oct 9, 2020	58.80	58.84	57.52	57.79
7143	NYSE	BKH	Thu, Oct 8, 2020	57.78	58.57	57.60	58.51
7142	NYSE	BKH	Wed, Oct 7, 2020	56.81	57.60	56.55	57.44
7141	NYSE	BKH	Tue, Oct 6, 2020	56.25	57.83	56.02	56.46
7140	NYSE	BKH	Mon, Oct 5, 2020	55.79	55.91	54.81	55.85
7139	NYSE	BKH	Fri, Oct 2, 2020	53.11	55.56	53.11	55.34
7138	NYSE	BKH	Thu, Oct 1, 2020	53.41	54.05	52.84	53.95
7137	NYSE	BKH	Wed, Sep 30, 2020	53.44	53.81	52.99	53.49
7136	NYSE	BKH	Tue, Sep 29, 2020	54.10	54.40	52.84	53.11
7135	NYSE	BKH	Mon, Sep 28, 2020	53.78	54.51	53.56	53.92
7134	NYSE	BKH	Fri, Sep 25, 2020	52.43	53.36	52.33	53.31
7133	NYSE	BKH	Thu, Sep 24, 2020	52.41	53.63	51.97	52.82
7132	NYSE	BKH	Wed, Sep 23, 2020	53.45	53.87	52.42	52.42
7131	NYSE	BKH	Tue, Sep 22, 2020	53.93	54.85	52.72	53.34
7130	NYSE	BKH	Mon, Sep 21, 2020	53.75	54.81	53.15	54.00
7129	NYSE	BKH	Fri, Sep 18, 2020	56.23	56.23	53.77	54.32
7128	NYSE	BKH	Thu, Sep 17, 2020	54.62	55.53	54.38	55.36
7127	NYSE	BKH	Wed, Sep 16, 2020	54.45	55.47	54.12	54.95
7126	NYSE	BKH	Tue, Sep 15, 2020	54.91	55.75	54.16	54.45
7125	NYSE	BKH	Mon, Sep 14, 2020	53.59	54.85	53.34	54.49
7124	NYSE	BKH	Fri, Sep 11, 2020	53.58	53.59	52.89	53.22
7123	NYSE	BKH	Thu, Sep 10, 2020	54.72	54.81	53.31	53.33
7122	NYSE	BKH	Wed, Sep 9, 2020	54.85	55.54	54.23	54.85
7121	NYSE	BKH	Tue, Sep 8, 2020	55.98	55.98	54.04	54.60
7120	NYSE	BKH	Fri, Sep 4, 2020	56.54	56.72	55.17	55.98
7119	NYSE	BKH	Thu, Sep 3, 2020	56.50	57.33	55.58	56.02
7118	NYSE	BKH	Wed, Sep 2, 2020	55.03	56.75	55.03	56.15
7117	NYSE	BKH	Tue, Sep 1, 2020	55.70	55.70	54.98	55.13
7116	NYSE	BKH	Mon, Aug 31, 2020	56.20	57.14	56.04	56.08
7115	NYSE	BKH	Fri, Aug 28, 2020	55.82	56.62	55.04	56.59
7114	NYSE	BKH	Thu, Aug 27, 2020	54.82	55.39	54.36	55.21
7113	NYSE	BKH	Wed, Aug 26, 2020	55.66	55.74	54.16	54.28
7112	NYSE	BKH	Tue, Aug 25, 2020	57.42	57.42	55.81	55.98
7111	NYSE	BKH	Mon, Aug 24, 2020	57.00	57.52	56.07	57.50
7110	NYSE	BKH	Fri, Aug 21, 2020	56.69	56.82	55.91	56.68
7109	NYSE	BKH	Thu, Aug 20, 2020	57.26	57.69	56.95	56.97
7108	NYSE	BKH	Wed, Aug 19, 2020	57.59	58.23	57.39	57.76
7107	NYSE	BKH	Tue, Aug 18, 2020	57.81	57.93	56.86	57.61
7106	NYSE	BKH	Mon, Aug 17, 2020	58.06	58.52	57.33	57.91
7105	NYSE	BKH	Fri, Aug 14, 2020	58.75	59.03	58.16	58.00
7104	NYSE	BKH	Thu, Aug 13, 2020	59.53	59.74	58.69	58.96
7103	NYSE	BKH	Wed, Aug 12, 2020	59.49	60.37	59.03	59.96
7102	NYSE	BKH	Tue, Aug 11, 2020	60.50	61.29	58.61	58.77
7101	NYSE	BKH	Mon, Aug 10, 2020	59.48	60.07	59.04	59.88
7100	NYSE	BKH	Fri, Aug 7, 2020	56.85	59.79	56.85	59.04
7099	NYSE	BKH	Thu, Aug 6, 2020	56.55	57.79	56.52	57.22
7098	NYSE	BKH	Wed, Aug 5, 2020	58.08	58.31	55.80	56.66
7097	NYSE	BKH	Tue, Aug 4, 2020	56.26	57.90	54.50	57.82
7096	NYSE	BKH	Mon, Aug 3, 2020	58.08	58.08	56.23	56.99
7095	NYSE	BKH	Fri, Jul 31, 2020	59.04	59.33	57.48	57.86
7094	NYSE	BKH	Thu, Jul 30, 2020	59.16	59.82	58.89	59.44
7093	NYSE	BKH	Wed, Jul 29, 2020	60.17	60.44	59.80	60.13
7092	NYSE	BKH	Tue, Jul 28, 2020	59.10	60.61	58.96	59.84
7091	NYSE	BKH	Mon, Jul 27, 2020	60.53	60.53	58.95	59.41
7090	NYSE	BKH	Fri, Jul 24, 2020	62.06	62.65	60.29	60.58
7089	NYSE	BKH	Thu, Jul 23, 2020	61.09	62.36	61.09	61.90
7088	NYSE	BKH	Wed, Jul 22, 2020	59.63	61.50	59.41	61.44
7087	NYSE	BKH	Tue, Jul 21, 2020	59.68	60.74	59.36	60.04
7086	NYSE	BKH	Mon, Jul 20, 2020	60.46	60.69	58.76	59.17
7085	NYSE	BKH	Fri, Jul 17, 2020	59.68	60.94	59.51	60.80
7084	NYSE	BKH	Thu, Jul 16, 2020	60.07	60.57	58.92	59.37
7083	NYSE	BKH	Wed, Jul 15, 2020	61.50	62.68	60.22	60.26
7082	NYSE	BKH	Tue, Jul 14, 2020	60.04	60.82	59.92	60.40
7081	NYSE	BKH	Mon, Jul 13, 2020	60.08	61.14	59.84	60.02
7080	NYSE	BKH	Fri, Jul 10, 2020	56.96	59.94	56.96	59.92
7079	NYSE	BKH	Thu, Jul 9, 2020	57.37	57.58	55.46	56.72
7078	NYSE	BKH	Wed, Jul 8, 2020	57.45	58.19	56.85	57.90
7077	NYSE	BKH	Tue, Jul 7, 2020	57.75	58.05	57.19	57.56
7076	NYSE	BKH	Mon, Jul 6, 2020	59.02	59.93	58.10	58.66
7075	NYSE	BKH	Thu, Jul 2, 2020	58.57	59.02	57.96	58.54
7074	NYSE	BKH	Wed, Jul 1, 2020	56.50	58.30	56.27	57.81
7073	NYSE	BKH	Tue, Jun 30, 2020	55.68	56.91	55.61	56.66
7072	NYSE	BKH	Mon, Jun 29, 2020	53.55	55.91	53.32	55.80
7071	NYSE	BKH	Fri, Jun 26, 2020	53.38	54.05	52.43	53.03
7070	NYSE	BKH	Thu, Jun 25, 2020	53.89	54.07	52.36	53.69
7069	NYSE	BKH	Wed, Jun 24, 2020	54.65	54.85	53.49	54.16
7068	NYSE	BKH	Tue, Jun 23, 2020	56.61	56.80	54.92	55.35
7067	NYSE	BKH	Mon, Jun 22, 2020	54.03	56.07	53.64	55.75
7066	NYSE	BKH	Fri, Jun 19, 2020	56.87	57.38	54.33	54.39
7065	NYSE	BKH	Thu, Jun 18, 2020	55.79	56.93	55.79	56.55
7064	NYSE	BKH	Wed, Jun 17, 2020	58.61	58.61	56.25	56.65
7063	NYSE	BKH	Tue, Jun 16, 2020	59.41	60.07	57.90	58.22
7062	NYSE	BKH	Mon, Jun 15, 2020	55.37	58.08	55.14	57.43
7061	NYSE	BKH	Fri, Jun 12, 2020	57.89	57.89	54.73	56.81
7060	NYSE	BKH	Thu, Jun 11, 2020	58.87	58.87	56.00	56.10
7059	NYSE	BKH	Wed, Jun 10, 2020	61.21	61.68	60.13	60.27
7058	NYSE	BKH	Tue, Jun 9, 2020	62.26	62.26	60.94	61.48
7057	NYSE	BKH	Mon, Jun 8, 2020	62.42	63.42	62.33	62.89
7056	NYSE	BKH	Fri, Jun 5, 2020	61.36	63.38	61.25	61.99
7055	NYSE	BKH	Thu, Jun 4, 2020	60.99	61.09	59.43	59.87
7054	NYSE	BKH	Wed, Jun 3, 2020	61.70	62.80	61.52	61.58
7053	NYSE	BKH	Tue, Jun 2, 2020	61.19	61.35	60.36	60.97
7052	NYSE	BKH	Mon, Jun 1, 2020	61.71	61.93	60.56	60.59
7051	NYSE	BKH	Fri, May 29, 2020	60.84	62.13	60.22	61.71
7050	NYSE	BKH	Thu, May 28, 2020	61.75	62.11	60.81	61.53
7049	NYSE	BKH	Wed, May 27, 2020	61.87	62.37	60.28	60.86
7048	NYSE	BKH	Tue, May 26, 2020	60.51	61.70	60.17	60.75
7047	NYSE	BKH	Fri, May 22, 2020	58.75	59.15	58.21	59.03
7046	NYSE	BKH	Thu, May 21, 2020	58.75	59.18	58.19	58.57
7045	NYSE	BKH	Wed, May 20, 2020	59.03	59.43	58.14	58.38
7044	NYSE	BKH	Tue, May 19, 2020	60.00	60.47	58.23	58.26
7043	NYSE	BKH	Mon, May 18, 2020	58.47	59.63	56.80	59.26
7042	NYSE	BKH	Fri, May 15, 2020	56.30	56.30	53.73	55.91
7041	NYSE	BKH	Thu, May 14, 2020	56.27	56.97	54.23	56.31
7040	NYSE	BKH	Wed, May 13, 2020	57.69	57.71	56.21	57.51
7039	NYSE	BKH	Tue, May 12, 2020	59.53	59.63	57.94	58.04
7038	NYSE	BKH	Mon, May 11, 2020	59.76	60.04	57.86	59.38
7037	NYSE	BKH	Fri, May 8, 2020	59.43	61.01	59.28	60.74
7036	NYSE	BKH	Thu, May 7, 2020	59.32	60.14	58.00	58.21
7035	NYSE	BKH	Wed, May 6, 2020	61.21	61.21	58.10	58.28
7034	NYSE	BKH	Tue, May 5, 2020	61.37	62.16	59.66	60.05
7033	NYSE	BKH	Mon, May 4, 2020	58.98	60.22	58.31	59.92
7032	NYSE	BKH	Fri, May 1, 2020	60.62	60.62	58.84	59.73
7031	NYSE	BKH	Thu, Apr 30, 2020	64.36	64.36	61.41	61.94
7030	NYSE	BKH	Wed, Apr 29, 2020	67.67	67.99	65.60	65.68
7029	NYSE	BKH	Tue, Apr 28, 2020	67.12	68.46	66.53	67.17
7028	NYSE	BKH	Mon, Apr 27, 2020	63.40	65.78	62.66	65.43
7027	NYSE	BKH	Fri, Apr 24, 2020	62.48	62.95	60.92	62.52
7026	NYSE	BKH	Thu, Apr 23, 2020	63.71	64.17	62.22	62.30
7025	NYSE	BKH	Wed, Apr 22, 2020	64.99	65.13	63.13	63.89
7024	NYSE	BKH	Tue, Apr 21, 2020	61.25	63.35	61.25	63.11
7023	NYSE	BKH	Mon, Apr 20, 2020	66.28	67.35	63.18	63.50
7022	NYSE	BKH	Fri, Apr 17, 2020	67.14	68.29	66.87	67.63
7021	NYSE	BKH	Thu, Apr 16, 2020	66.06	66.34	63.89	65.65
7020	NYSE	BKH	Wed, Apr 15, 2020	66.94	68.22	65.98	66.14
7019	NYSE	BKH	Tue, Apr 14, 2020	69.32	69.79	67.65	69.35
7018	NYSE	BKH	Mon, Apr 13, 2020	69.03	69.68	66.82	67.69
7017	NYSE	BKH	Thu, Apr 9, 2020	69.33	70.80	68.26	70.66
7016	NYSE	BKH	Wed, Apr 8, 2020	64.29	69.00	63.19	68.03
7015	NYSE	BKH	Tue, Apr 7, 2020	67.09	68.74	62.77	63.10
7014	NYSE	BKH	Mon, Apr 6, 2020	61.14	65.86	60.82	65.33
7013	NYSE	BKH	Fri, Apr 3, 2020	60.16	61.24	57.83	58.37
7012	NYSE	BKH	Thu, Apr 2, 2020	57.49	61.77	57.49	61.08
7011	NYSE	BKH	Wed, Apr 1, 2020	61.52	62.34	57.47	58.48
7010	NYSE	BKH	Tue, Mar 31, 2020	67.06	67.71	63.13	64.03
7009	NYSE	BKH	Mon, Mar 30, 2020	63.72	68.32	63.30	68.18
7008	NYSE	BKH	Fri, Mar 27, 2020	60.95	66.18	60.04	63.10
7007	NYSE	BKH	Thu, Mar 26, 2020	58.91	64.15	58.82	63.48
7006	NYSE	BKH	Wed, Mar 25, 2020	56.39	61.26	53.92	58.56
7005	NYSE	BKH	Tue, Mar 24, 2020	53.78	57.02	51.17	56.81
7004	NYSE	BKH	Mon, Mar 23, 2020	51.46	54.00	48.68	51.14
7003	NYSE	BKH	Fri, Mar 20, 2020	52.03	56.32	50.89	51.72
7002	NYSE	BKH	Thu, Mar 19, 2020	51.32	53.15	48.07	51.40
7001	NYSE	BKH	Wed, Mar 18, 2020	57.13	57.82	50.60	50.93
7000	NYSE	BKH	Tue, Mar 17, 2020	55.12	60.09	54.20	59.89
6999	NYSE	BKH	Mon, Mar 16, 2020	55.35	59.85	53.86	54.07
6998	NYSE	BKH	Fri, Mar 13, 2020	66.17	66.47	60.60	65.89
6997	NYSE	BKH	Thu, Mar 12, 2020	65.70	67.53	60.46	62.19
6996	NYSE	BKH	Wed, Mar 11, 2020	73.93	74.45	68.62	70.28
6995	NYSE	BKH	Tue, Mar 10, 2020	75.82	77.13	71.99	75.98
6994	NYSE	BKH	Mon, Mar 9, 2020	75.23	77.33	73.28	74.50
6993	NYSE	BKH	Fri, Mar 6, 2020	76.99	81.01	76.05	80.68
6992	NYSE	BKH	Thu, Mar 5, 2020	79.32	80.22	77.91	79.28
6991	NYSE	BKH	Wed, Mar 4, 2020	77.33	81.43	77.33	80.88
6990	NYSE	BKH	Tue, Mar 3, 2020	76.20	78.37	75.79	76.33
6989	NYSE	BKH	Mon, Mar 2, 2020	72.64	76.45	72.37	76.43
6988	NYSE	BKH	Fri, Feb 28, 2020	73.66	73.96	71.23	72.20
6987	NYSE	BKH	Thu, Feb 27, 2020	79.32	80.22	75.98	76.07
6986	NYSE	BKH	Wed, Feb 26, 2020	81.14	82.01	79.85	79.95
6985	NYSE	BKH	Tue, Feb 25, 2020	83.47	84.23	80.94	80.97
6984	NYSE	BKH	Mon, Feb 24, 2020	83.96	84.61	83.02	83.02
6983	NYSE	BKH	Fri, Feb 21, 2020	84.96	85.37	84.45	84.73
6982	NYSE	BKH	Thu, Feb 20, 2020	84.69	84.86	83.92	84.78
6981	NYSE	BKH	Wed, Feb 19, 2020	85.39	85.65	84.84	84.84
6980	NYSE	BKH	Tue, Feb 18, 2020	85.52	85.97	85.05	85.53
6979	NYSE	BKH	Fri, Feb 14, 2020	85.17	85.54	84.66	85.35
6978	NYSE	BKH	Thu, Feb 13, 2020	83.33	84.98	83.19	84.86
6977	NYSE	BKH	Wed, Feb 12, 2020	84.71	84.71	83.22	83.35
6976	NYSE	BKH	Tue, Feb 11, 2020	84.72	85.00	84.04	84.56
6975	NYSE	BKH	Mon, Feb 10, 2020	84.25	84.73	83.93	84.47
6974	NYSE	BKH	Fri, Feb 7, 2020	84.75	87.12	83.60	83.91
6973	NYSE	BKH	Thu, Feb 6, 2020	84.20	85.27	84.16	84.23
6972	NYSE	BKH	Wed, Feb 5, 2020	83.03	84.27	82.99	84.05
6971	NYSE	BKH	Tue, Feb 4, 2020	83.50	83.60	83.02	83.03
6970	NYSE	BKH	Mon, Feb 3, 2020	83.04	83.63	83.04	83.56
6969	NYSE	BKH	Fri, Jan 31, 2020	83.46	83.86	82.92	83.03
6968	NYSE	BKH	Thu, Jan 30, 2020	83.03	84.01	83.03	83.79
6967	NYSE	BKH	Wed, Jan 29, 2020	82.77	83.42	82.08	83.22
6966	NYSE	BKH	Tue, Jan 28, 2020	82.66	83.06	82.26	82.85
6965	NYSE	BKH	Mon, Jan 27, 2020	82.37	82.96	81.59	82.47
6964	NYSE	BKH	Fri, Jan 24, 2020	82.68	83.09	82.07	82.47
6963	NYSE	BKH	Thu, Jan 23, 2020	81.99	82.77	81.88	82.59
6962	NYSE	BKH	Wed, Jan 22, 2020	81.76	82.21	81.56	82.06
6961	NYSE	BKH	Tue, Jan 21, 2020	80.99	81.48	80.75	81.45
6960	NYSE	BKH	Fri, Jan 17, 2020	81.18	81.40	80.69	81.03
6959	NYSE	BKH	Thu, Jan 16, 2020	80.51	81.13	80.45	81.10
6958	NYSE	BKH	Wed, Jan 15, 2020	78.83	80.36	78.83	80.02
6957	NYSE	BKH	Tue, Jan 14, 2020	78.65	78.78	78.29	78.69
6956	NYSE	BKH	Mon, Jan 13, 2020	77.35	78.81	77.35	78.60
6955	NYSE	BKH	Fri, Jan 10, 2020	76.90	77.70	76.90	77.46
6954	NYSE	BKH	Thu, Jan 9, 2020	76.11	76.87	75.54	76.86
6953	NYSE	BKH	Wed, Jan 8, 2020	76.20	76.43	75.87	76.09
6952	NYSE	BKH	Tue, Jan 7, 2020	76.00	76.31	75.25	76.20
6951	NYSE	BKH	Mon, Jan 6, 2020	76.28	77.05	76.28	76.39
6950	NYSE	BKH	Fri, Jan 3, 2020	76.27	76.87	76.18	76.36
6949	NYSE	BKH	Thu, Jan 2, 2020	78.65	78.83	76.16	76.65
6948	NYSE	BKH	Tue, Dec 31, 2019	78.05	78.98	78.05	78.54
6947	NYSE	BKH	Mon, Dec 30, 2019	77.86	78.21	77.36	78.14
6946	NYSE	BKH	Fri, Dec 27, 2019	77.71	78.02	77.37	77.99
6945	NYSE	BKH	Thu, Dec 26, 2019	77.48	77.99	77.37	77.72
6944	NYSE	BKH	Tue, Dec 24, 2019	77.46	77.59	76.83	77.33
6943	NYSE	BKH	Mon, Dec 23, 2019	78.60	78.60	76.77	77.30
6942	NYSE	BKH	Fri, Dec 20, 2019	78.17	78.92	77.62	78.43
6941	NYSE	BKH	Thu, Dec 19, 2019	78.81	79.05	78.18	78.24
6940	NYSE	BKH	Wed, Dec 18, 2019	78.22	78.69	77.67	78.47
6939	NYSE	BKH	Tue, Dec 17, 2019	78.32	78.64	77.75	78.04
6938	NYSE	BKH	Mon, Dec 16, 2019	77.25	78.46	77.17	78.42
6937	NYSE	BKH	Fri, Dec 13, 2019	76.88	77.45	76.53	77.15
6936	NYSE	BKH	Thu, Dec 12, 2019	77.04	77.82	76.74	77.04
6935	NYSE	BKH	Wed, Dec 11, 2019	76.84	77.25	76.49	77.19
6934	NYSE	BKH	Tue, Dec 10, 2019	76.22	76.67	75.80	76.67
6933	NYSE	BKH	Mon, Dec 9, 2019	76.77	76.77	76.20	76.22
6932	NYSE	BKH	Fri, Dec 6, 2019	76.63	77.77	76.63	76.72
6931	NYSE	BKH	Thu, Dec 5, 2019	76.56	76.81	76.30	76.69
6930	NYSE	BKH	Wed, Dec 4, 2019	75.75	76.83	75.40	76.68
6929	NYSE	BKH	Tue, Dec 3, 2019	75.66	75.90	75.21	75.79
6928	NYSE	BKH	Mon, Dec 2, 2019	76.29	76.52	75.34	75.51
6927	NYSE	BKH	Fri, Nov 29, 2019	76.99	77.46	76.52	76.57
6926	NYSE	BKH	Wed, Nov 27, 2019	76.73	77.10	76.26	76.86
6925	NYSE	BKH	Tue, Nov 26, 2019	77.78	78.31	76.47	76.71
6924	NYSE	BKH	Mon, Nov 25, 2019	77.49	78.00	77.28	77.78
6923	NYSE	BKH	Fri, Nov 22, 2019	77.80	77.80	76.85	77.55
6922	NYSE	BKH	Thu, Nov 21, 2019	76.81	77.19	76.51	77.01
6921	NYSE	BKH	Wed, Nov 20, 2019	76.02	76.92	76.02	76.78
6920	NYSE	BKH	Tue, Nov 19, 2019	75.94	76.65	75.64	76.30
6919	NYSE	BKH	Mon, Nov 18, 2019	75.62	76.38	75.62	76.13
6918	NYSE	BKH	Fri, Nov 15, 2019	75.54	76.17	75.09	75.59
6917	NYSE	BKH	Thu, Nov 14, 2019	75.78	76.63	75.72	75.55
6916	NYSE	BKH	Wed, Nov 13, 2019	74.55	75.88	74.55	75.65
6915	NYSE	BKH	Tue, Nov 12, 2019	74.84	75.18	74.09	74.74
6914	NYSE	BKH	Mon, Nov 11, 2019	75.13	75.19	74.62	74.71
6913	NYSE	BKH	Fri, Nov 8, 2019	74.85	75.27	74.69	75.09
6912	NYSE	BKH	Thu, Nov 7, 2019	75.39	75.66	74.85	75.10
6911	NYSE	BKH	Wed, Nov 6, 2019	74.22	75.59	74.11	75.50
6910	NYSE	BKH	Tue, Nov 5, 2019	77.80	78.32	73.94	74.08
6909	NYSE	BKH	Mon, Nov 4, 2019	79.40	79.84	77.58	77.81
6908	NYSE	BKH	Fri, Nov 1, 2019	78.98	79.46	78.89	79.44
6907	NYSE	BKH	Thu, Oct 31, 2019	78.89	79.13	78.36	78.83
6906	NYSE	BKH	Wed, Oct 30, 2019	77.87	79.17	77.55	78.88
6905	NYSE	BKH	Tue, Oct 29, 2019	77.31	77.80	77.16	77.64
6904	NYSE	BKH	Mon, Oct 28, 2019	77.60	78.17	77.29	77.31
6903	NYSE	BKH	Fri, Oct 25, 2019	79.22	79.22	77.68	77.86
6902	NYSE	BKH	Thu, Oct 24, 2019	78.97	79.57	78.73	79.18
6901	NYSE	BKH	Wed, Oct 23, 2019	78.52	79.14	78.36	78.99
6900	NYSE	BKH	Tue, Oct 22, 2019	78.40	79.02	77.95	78.25
6899	NYSE	BKH	Mon, Oct 21, 2019	78.88	79.37	78.32	78.53
6898	NYSE	BKH	Fri, Oct 18, 2019	78.03	78.80	77.93	78.67
6897	NYSE	BKH	Thu, Oct 17, 2019	77.39	78.48	77.39	78.19
6896	NYSE	BKH	Wed, Oct 16, 2019	76.89	77.44	76.35	77.39
6895	NYSE	BKH	Tue, Oct 15, 2019	77.68	77.99	76.98	77.18
6894	NYSE	BKH	Mon, Oct 14, 2019	78.20	78.26	77.68	77.78
6893	NYSE	BKH	Fri, Oct 11, 2019	77.52	78.65	77.32	78.13
6892	NYSE	BKH	Thu, Oct 10, 2019	76.70	77.74	75.91	77.49
6891	NYSE	BKH	Wed, Oct 9, 2019	75.90	76.24	75.26	75.96
6890	NYSE	BKH	Tue, Oct 8, 2019	76.53	76.53	75.39	75.56
6889	NYSE	BKH	Mon, Oct 7, 2019	76.65	76.77	76.12	76.62
6888	NYSE	BKH	Fri, Oct 4, 2019	75.64	76.77	75.32	76.69
6887	NYSE	BKH	Thu, Oct 3, 2019	75.07	75.61	74.91	75.57
6886	NYSE	BKH	Wed, Oct 2, 2019	76.20	76.26	74.93	75.19
6885	NYSE	BKH	Tue, Oct 1, 2019	76.73	76.81	75.98	76.32
6884	NYSE	BKH	Mon, Sep 30, 2019	76.79	77.53	76.62	76.73
6883	NYSE	BKH	Fri, Sep 27, 2019	77.70	77.70	76.38	76.82
6882	NYSE	BKH	Thu, Sep 26, 2019	77.97	78.51	77.40	77.53
6881	NYSE	BKH	Wed, Sep 25, 2019	77.44	77.91	76.91	77.79
6880	NYSE	BKH	Tue, Sep 24, 2019	77.09	78.30	77.09	77.43
6879	NYSE	BKH	Mon, Sep 23, 2019	76.85	77.22	76.77	76.82
6878	NYSE	BKH	Fri, Sep 20, 2019	76.67	77.51	76.43	76.85
6877	NYSE	BKH	Thu, Sep 19, 2019	76.92	77.26	76.59	76.68
6876	NYSE	BKH	Wed, Sep 18, 2019	76.60	77.19	76.18	76.57
6875	NYSE	BKH	Tue, Sep 17, 2019	76.06	76.98	75.93	76.13
6874	NYSE	BKH	Mon, Sep 16, 2019	75.95	76.61	75.65	76.04
6873	NYSE	BKH	Fri, Sep 13, 2019	76.24	76.95	75.55	75.87
6872	NYSE	BKH	Thu, Sep 12, 2019	76.72	77.50	76.24	76.58
6871	NYSE	BKH	Wed, Sep 11, 2019	74.46	76.54	74.07	76.27
6870	NYSE	BKH	Tue, Sep 10, 2019	75.55	75.55	74.06	74.67
6869	NYSE	BKH	Mon, Sep 9, 2019	76.11	76.11	75.34	75.57
6868	NYSE	BKH	Fri, Sep 6, 2019	77.00	77.26	76.09	76.26
6867	NYSE	BKH	Thu, Sep 5, 2019	77.83	78.22	76.77	76.86
6866	NYSE	BKH	Wed, Sep 4, 2019	78.36	78.87	77.92	78.33
6865	NYSE	BKH	Tue, Sep 3, 2019	76.75	78.08	76.43	78.07
6864	NYSE	BKH	Fri, Aug 30, 2019	77.07	77.16	76.20	76.71
6863	NYSE	BKH	Thu, Aug 29, 2019	76.93	77.27	76.13	76.94
6862	NYSE	BKH	Wed, Aug 28, 2019	77.02	77.42	76.43	76.49
6861	NYSE	BKH	Tue, Aug 27, 2019	77.96	78.11	76.72	76.78
6860	NYSE	BKH	Mon, Aug 26, 2019	76.79	77.71	76.55	77.64
6859	NYSE	BKH	Fri, Aug 23, 2019	77.82	78.28	76.10	76.41
6858	NYSE	BKH	Thu, Aug 22, 2019	77.66	78.17	77.29	77.76
6857	NYSE	BKH	Wed, Aug 21, 2019	77.18	77.88	77.11	77.65
6856	NYSE	BKH	Tue, Aug 20, 2019	77.48	77.48	76.73	77.03
6855	NYSE	BKH	Mon, Aug 19, 2019	77.20	78.06	76.91	77.47
6854	NYSE	BKH	Fri, Aug 16, 2019	76.26	77.32	76.03	77.17
6853	NYSE	BKH	Thu, Aug 15, 2019	75.78	76.75	75.47	76.11
6852	NYSE	BKH	Wed, Aug 14, 2019	76.43	76.68	75.46	75.65
6851	NYSE	BKH	Tue, Aug 13, 2019	76.04	76.86	75.90	76.53
6850	NYSE	BKH	Mon, Aug 12, 2019	76.29	76.64	75.87	76.14
6849	NYSE	BKH	Fri, Aug 9, 2019	78.12	78.50	76.19	76.40
6848	NYSE	BKH	Thu, Aug 8, 2019	77.64	78.58	77.31	78.03
6847	NYSE	BKH	Wed, Aug 7, 2019	76.61	77.96	75.52	77.35
6846	NYSE	BKH	Tue, Aug 6, 2019	73.23	77.08	70.15	76.67
6845	NYSE	BKH	Mon, Aug 5, 2019	78.43	79.04	76.48	77.08
6844	NYSE	BKH	Fri, Aug 2, 2019	79.80	79.99	78.56	78.59
6843	NYSE	BKH	Thu, Aug 1, 2019	79.13	80.61	78.93	79.93
6842	NYSE	BKH	Wed, Jul 31, 2019	79.31	80.26	79.01	79.15
6841	NYSE	BKH	Tue, Jul 30, 2019	79.98	80.32	78.81	79.24
6840	NYSE	BKH	Mon, Jul 29, 2019	79.53	80.17	79.30	80.11
6839	NYSE	BKH	Fri, Jul 26, 2019	78.55	79.69	78.55	79.52
6838	NYSE	BKH	Thu, Jul 25, 2019	78.22	78.89	78.13	78.47
6837	NYSE	BKH	Wed, Jul 24, 2019	78.90	78.90	77.66	78.28
6836	NYSE	BKH	Tue, Jul 23, 2019	79.39	79.39	78.38	78.74
6835	NYSE	BKH	Mon, Jul 22, 2019	79.77	79.81	78.85	79.29
6834	NYSE	BKH	Fri, Jul 19, 2019	80.89	81.22	79.52	79.56
6833	NYSE	BKH	Thu, Jul 18, 2019	80.19	81.26	79.66	81.12
6832	NYSE	BKH	Wed, Jul 17, 2019	80.22	80.78	80.04	80.41
6831	NYSE	BKH	Tue, Jul 16, 2019	79.43	80.01	79.41	79.96
6830	NYSE	BKH	Mon, Jul 15, 2019	79.99	80.38	79.23	79.77
6829	NYSE	BKH	Fri, Jul 12, 2019	80.58	80.58	79.76	79.97
6828	NYSE	BKH	Thu, Jul 11, 2019	80.16	80.58	79.63	80.58
6827	NYSE	BKH	Wed, Jul 10, 2019	80.10	80.53	79.70	80.21
6826	NYSE	BKH	Tue, Jul 9, 2019	79.43	79.89	78.98	79.88
6825	NYSE	BKH	Mon, Jul 8, 2019	79.44	79.77	78.93	79.41
6824	NYSE	BKH	Fri, Jul 5, 2019	79.04	79.61	78.15	79.39
6823	NYSE	BKH	Wed, Jul 3, 2019	79.50	80.46	79.41	79.66
6822	NYSE	BKH	Tue, Jul 2, 2019	78.39	79.35	78.23	79.28
6821	NYSE	BKH	Mon, Jul 1, 2019	78.17	78.44	77.14	78.06
6820	NYSE	BKH	Fri, Jun 28, 2019	77.72	78.63	77.41	78.17
6819	NYSE	BKH	Thu, Jun 27, 2019	77.38	77.92	77.16	77.80
6818	NYSE	BKH	Wed, Jun 26, 2019	80.53	80.85	77.23	77.28
6817	NYSE	BKH	Tue, Jun 25, 2019	81.58	82.01	80.48	80.64
6816	NYSE	BKH	Mon, Jun 24, 2019	81.56	81.90	80.79	81.64
6815	NYSE	BKH	Fri, Jun 21, 2019	79.57	81.61	79.20	81.32
6814	NYSE	BKH	Thu, Jun 20, 2019	80.03	80.29	79.44	80.04
6813	NYSE	BKH	Wed, Jun 19, 2019	78.25	79.82	78.25	79.63
6812	NYSE	BKH	Tue, Jun 18, 2019	78.47	78.65	77.14	78.34
6811	NYSE	BKH	Mon, Jun 17, 2019	78.13	78.45	77.48	78.03
6810	NYSE	BKH	Fri, Jun 14, 2019	77.56	78.53	77.52	78.12
6809	NYSE	BKH	Thu, Jun 13, 2019	77.84	78.09	76.99	77.70
6808	NYSE	BKH	Wed, Jun 12, 2019	76.27	77.60	76.27	77.58
6807	NYSE	BKH	Tue, Jun 11, 2019	76.79	77.09	75.63	76.01
6806	NYSE	BKH	Mon, Jun 10, 2019	77.21	77.28	76.45	76.79
6805	NYSE	BKH	Fri, Jun 7, 2019	78.28	78.69	77.36	77.41
6804	NYSE	BKH	Thu, Jun 6, 2019	77.90	78.20	77.59	77.81
6803	NYSE	BKH	Wed, Jun 5, 2019	77.14	78.26	77.14	77.85
6802	NYSE	BKH	Tue, Jun 4, 2019	76.91	77.10	75.78	77.01
6801	NYSE	BKH	Mon, Jun 3, 2019	76.38	77.11	76.13	76.98
6800	NYSE	BKH	Fri, May 31, 2019	74.71	76.32	74.64	76.20
6799	NYSE	BKH	Thu, May 30, 2019	75.30	75.59	74.43	74.83
6798	NYSE	BKH	Wed, May 29, 2019	76.54	76.85	75.11	75.35
6797	NYSE	BKH	Tue, May 28, 2019	78.14	78.15	76.59	76.65
6796	NYSE	BKH	Fri, May 24, 2019	77.80	78.52	77.60	77.98
6795	NYSE	BKH	Thu, May 23, 2019	77.10	77.81	76.61	77.81
6794	NYSE	BKH	Wed, May 22, 2019	76.49	77.18	76.27	77.09
6793	NYSE	BKH	Tue, May 21, 2019	76.16	76.85	75.81	76.42
6792	NYSE	BKH	Mon, May 20, 2019	76.22	76.76	76.09	76.21
6791	NYSE	BKH	Fri, May 17, 2019	75.45	76.44	75.45	76.18
6790	NYSE	BKH	Thu, May 16, 2019	75.22	76.04	75.22	75.74
6789	NYSE	BKH	Wed, May 15, 2019	75.81	76.40	75.68	75.30
6788	NYSE	BKH	Tue, May 14, 2019	76.31	76.70	75.73	75.82
6787	NYSE	BKH	Mon, May 13, 2019	75.01	76.53	75.01	76.44
6786	NYSE	BKH	Fri, May 10, 2019	74.31	75.38	74.08	75.37
6785	NYSE	BKH	Thu, May 9, 2019	74.31	74.59	73.67	74.25
6784	NYSE	BKH	Wed, May 8, 2019	74.68	75.08	73.80	73.86
6783	NYSE	BKH	Tue, May 7, 2019	74.71	75.20	74.29	74.65
6782	NYSE	BKH	Mon, May 6, 2019	74.75	74.91	74.20	74.74
6781	NYSE	BKH	Fri, May 3, 2019	72.03	75.16	72.03	74.49
6780	NYSE	BKH	Thu, May 2, 2019	71.86	72.53	71.31	71.80
6779	NYSE	BKH	Wed, May 1, 2019	72.68	72.79	71.76	72.07
6778	NYSE	BKH	Tue, Apr 30, 2019	71.87	72.86	71.69	72.76
6777	NYSE	BKH	Mon, Apr 29, 2019	72.00	72.32	71.45	71.77
6776	NYSE	BKH	Fri, Apr 26, 2019	72.38	72.86	72.08	72.16
6775	NYSE	BKH	Thu, Apr 25, 2019	71.62	72.31	71.37	72.07
6774	NYSE	BKH	Wed, Apr 24, 2019	71.15	72.23	71.15	71.96
6773	NYSE	BKH	Tue, Apr 23, 2019	70.90	71.43	70.73	71.15
6772	NYSE	BKH	Mon, Apr 22, 2019	71.12	71.42	70.45	70.81
6771	NYSE	BKH	Thu, Apr 18, 2019	71.51	72.06	71.20	71.32
6770	NYSE	BKH	Wed, Apr 17, 2019	71.93	71.93	71.30	71.50
6769	NYSE	BKH	Tue, Apr 16, 2019	72.80	73.02	71.79	71.98
6768	NYSE	BKH	Mon, Apr 15, 2019	73.00	73.27	72.39	72.71
6767	NYSE	BKH	Fri, Apr 12, 2019	72.60	72.99	72.33	72.92
6766	NYSE	BKH	Thu, Apr 11, 2019	72.34	72.89	72.13	72.88
6765	NYSE	BKH	Wed, Apr 10, 2019	72.92	73.24	72.10	72.26
6764	NYSE	BKH	Tue, Apr 9, 2019	72.66	72.98	72.25	72.59
6763	NYSE	BKH	Mon, Apr 8, 2019	73.56	73.59	72.43	72.65
6762	NYSE	BKH	Fri, Apr 5, 2019	72.47	73.86	72.35	73.84
6761	NYSE	BKH	Thu, Apr 4, 2019	72.92	73.27	72.04	72.39
6760	NYSE	BKH	Wed, Apr 3, 2019	72.85	73.14	72.00	72.77
6759	NYSE	BKH	Tue, Apr 2, 2019	73.35	73.35	72.41	72.78
6758	NYSE	BKH	Mon, Apr 1, 2019	74.14	74.14	72.79	73.20
6757	NYSE	BKH	Fri, Mar 29, 2019	73.49	74.18	73.17	74.07
6756	NYSE	BKH	Thu, Mar 28, 2019	74.35	74.76	73.14	73.43
6755	NYSE	BKH	Wed, Mar 27, 2019	74.39	74.77	74.02	74.39
6754	NYSE	BKH	Tue, Mar 26, 2019	73.73	74.50	73.59	74.33
6753	NYSE	BKH	Mon, Mar 25, 2019	73.00	73.77	72.52	73.58
6752	NYSE	BKH	Fri, Mar 22, 2019	72.75	73.44	72.75	72.87
6751	NYSE	BKH	Thu, Mar 21, 2019	71.36	72.84	71.34	72.65
6750	NYSE	BKH	Wed, Mar 20, 2019	71.80	72.37	71.26	71.39
6749	NYSE	BKH	Tue, Mar 19, 2019	72.73	72.80	71.66	71.85
6748	NYSE	BKH	Mon, Mar 18, 2019	73.01	73.26	72.38	72.74
6747	NYSE	BKH	Fri, Mar 15, 2019	72.69	73.41	72.59	73.02
6746	NYSE	BKH	Thu, Mar 14, 2019	72.78	73.34	72.29	72.69
6745	NYSE	BKH	Wed, Mar 13, 2019	73.04	73.17	72.50	72.72
6744	NYSE	BKH	Tue, Mar 12, 2019	73.33	73.61	72.87	73.00
6743	NYSE	BKH	Mon, Mar 11, 2019	72.86	73.27	72.53	73.24
6742	NYSE	BKH	Fri, Mar 8, 2019	72.56	72.92	72.28	72.81
6741	NYSE	BKH	Thu, Mar 7, 2019	72.32	72.86	72.11	72.33
6740	NYSE	BKH	Wed, Mar 6, 2019	71.97	72.55	71.67	72.09
6739	NYSE	BKH	Tue, Mar 5, 2019	72.05	72.19	71.71	71.88
6738	NYSE	BKH	Mon, Mar 4, 2019	72.15	72.51	71.13	72.00
6737	NYSE	BKH	Fri, Mar 1, 2019	71.10	72.18	70.75	71.95
6736	NYSE	BKH	Thu, Feb 28, 2019	70.92	71.58	70.63	70.98
6735	NYSE	BKH	Wed, Feb 27, 2019	70.49	71.11	70.02	71.04
6734	NYSE	BKH	Tue, Feb 26, 2019	70.94	71.11	70.37	70.69
6733	NYSE	BKH	Mon, Feb 25, 2019	71.04	71.26	70.37	70.59
6732	NYSE	BKH	Fri, Feb 22, 2019	70.55	71.23	70.16	71.19
6731	NYSE	BKH	Thu, Feb 21, 2019	70.07	70.60	69.52	70.37
6730	NYSE	BKH	Wed, Feb 20, 2019	69.65	70.19	69.47	70.12
6729	NYSE	BKH	Tue, Feb 19, 2019	69.46	70.21	69.43	69.80
6728	NYSE	BKH	Fri, Feb 15, 2019	69.77	70.47	69.57	69.64
6727	NYSE	BKH	Thu, Feb 14, 2019	69.72	70.13	69.38	69.53
6726	NYSE	BKH	Wed, Feb 13, 2019	70.22	70.42	69.70	69.89
6725	NYSE	BKH	Tue, Feb 12, 2019	70.55	70.70	69.82	70.42
6724	NYSE	BKH	Mon, Feb 11, 2019	69.98	70.33	69.50	70.31
6723	NYSE	BKH	Fri, Feb 8, 2019	69.54	70.25	68.23	69.43
6722	NYSE	BKH	Thu, Feb 7, 2019	66.38	67.96	65.96	67.93
6721	NYSE	BKH	Wed, Feb 6, 2019	66.70	67.20	66.13	66.42
6720	NYSE	BKH	Tue, Feb 5, 2019	66.87	67.35	66.82	67.14
6719	NYSE	BKH	Mon, Feb 4, 2019	66.78	66.97	66.00	66.94
6718	NYSE	BKH	Fri, Feb 1, 2019	67.73	68.09	66.65	67.08
6717	NYSE	BKH	Thu, Jan 31, 2019	67.01	67.97	66.51	67.89
6716	NYSE	BKH	Wed, Jan 30, 2019	65.53	67.16	65.08	66.99
6715	NYSE	BKH	Tue, Jan 29, 2019	65.36	65.80	65.21	65.52
6714	NYSE	BKH	Mon, Jan 28, 2019	64.53	65.27	64.48	65.21
6713	NYSE	BKH	Fri, Jan 25, 2019	65.03	65.16	64.36	64.50
6712	NYSE	BKH	Thu, Jan 24, 2019	65.39	65.45	64.27	65.03
6711	NYSE	BKH	Wed, Jan 23, 2019	65.40	65.65	64.88	65.59
6710	NYSE	BKH	Tue, Jan 22, 2019	65.73	66.22	65.06	65.70
6709	NYSE	BKH	Fri, Jan 18, 2019	65.08	66.01	64.99	65.65
6708	NYSE	BKH	Thu, Jan 17, 2019	64.11	64.88	64.04	64.78
6707	NYSE	BKH	Wed, Jan 16, 2019	63.78	64.43	63.29	64.24
6706	NYSE	BKH	Tue, Jan 15, 2019	62.24	63.84	62.22	63.77
6705	NYSE	BKH	Mon, Jan 14, 2019	63.11	63.11	61.60	62.19
6704	NYSE	BKH	Fri, Jan 11, 2019	63.96	63.96	63.22	63.61
6703	NYSE	BKH	Thu, Jan 10, 2019	62.57	63.91	62.50	63.88
6702	NYSE	BKH	Wed, Jan 9, 2019	63.60	64.05	62.07	62.54
6701	NYSE	BKH	Tue, Jan 8, 2019	62.89	63.74	62.67	63.64
6700	NYSE	BKH	Mon, Jan 7, 2019	62.60	63.35	62.17	62.60
6699	NYSE	BKH	Fri, Jan 4, 2019	61.45	62.92	61.45	62.79
6698	NYSE	BKH	Thu, Jan 3, 2019	61.40	62.17	60.86	61.73
6697	NYSE	BKH	Wed, Jan 2, 2019	62.65	62.80	60.82	61.27
6696	NYSE	BKH	Mon, Dec 31, 2018	62.25	62.84	61.59	62.78
6695	NYSE	BKH	Fri, Dec 28, 2018	62.33	62.79	61.58	62.13
6694	NYSE	BKH	Thu, Dec 27, 2018	61.29	62.12	60.31	62.05
6693	NYSE	BKH	Wed, Dec 26, 2018	60.40	61.35	59.49	61.29
6692	NYSE	BKH	Mon, Dec 24, 2018	64.39	64.63	59.98	60.37
6691	NYSE	BKH	Fri, Dec 21, 2018	64.10	65.89	63.74	64.04
6690	NYSE	BKH	Thu, Dec 20, 2018	64.39	64.80	63.30	64.18
6689	NYSE	BKH	Wed, Dec 19, 2018	64.62	65.05	63.66	64.21
6688	NYSE	BKH	Tue, Dec 18, 2018	64.89	65.38	63.96	64.37
6687	NYSE	BKH	Mon, Dec 17, 2018	66.74	67.16	64.55	64.84
6686	NYSE	BKH	Fri, Dec 14, 2018	67.45	67.92	66.42	66.66
6685	NYSE	BKH	Thu, Dec 13, 2018	67.20	68.09	66.92	67.58
6684	NYSE	BKH	Wed, Dec 12, 2018	67.32	67.94	67.04	67.21
6683	NYSE	BKH	Tue, Dec 11, 2018	67.38	67.78	67.12	67.24
6682	NYSE	BKH	Mon, Dec 10, 2018	67.48	67.48	66.61	67.18
6681	NYSE	BKH	Fri, Dec 7, 2018	67.07	67.75	66.51	67.34
6680	NYSE	BKH	Thu, Dec 6, 2018	67.98	67.98	66.40	67.07
6679	NYSE	BKH	Tue, Dec 4, 2018	67.00	68.23	67.00	67.81
6678	NYSE	BKH	Mon, Dec 3, 2018	66.04	66.96	65.15	66.95
6677	NYSE	BKH	Fri, Nov 30, 2018	65.35	66.24	65.21	66.21
6676	NYSE	BKH	Thu, Nov 29, 2018	65.20	65.29	64.37	65.26
6675	NYSE	BKH	Wed, Nov 28, 2018	65.33	65.68	64.79	65.13
6674	NYSE	BKH	Tue, Nov 27, 2018	64.77	65.57	64.51	65.34
6673	NYSE	BKH	Mon, Nov 26, 2018	64.16	64.84	63.91	64.72
6672	NYSE	BKH	Fri, Nov 23, 2018	64.20	64.64	63.87	64.00
6671	NYSE	BKH	Wed, Nov 21, 2018	64.24	64.72	63.78	64.20
6670	NYSE	BKH	Tue, Nov 20, 2018	63.69	64.60	63.31	64.46
6669	NYSE	BKH	Mon, Nov 19, 2018	63.35	63.89	62.94	63.48
6668	NYSE	BKH	Fri, Nov 16, 2018	63.43	63.76	63.04	63.38
6667	NYSE	BKH	Thu, Nov 15, 2018	62.77	63.52	61.42	62.97
6666	NYSE	BKH	Wed, Nov 14, 2018	63.38	63.67	62.74	63.13
6665	NYSE	BKH	Tue, Nov 13, 2018	63.31	63.63	62.80	63.35
6664	NYSE	BKH	Mon, Nov 12, 2018	63.18	64.00	63.06	63.30
6663	NYSE	BKH	Fri, Nov 9, 2018	62.50	63.74	62.50	63.17
6662	NYSE	BKH	Thu, Nov 8, 2018	62.96	63.25	61.62	62.62
6661	NYSE	BKH	Wed, Nov 7, 2018	62.25	62.82	61.54	62.74
6660	NYSE	BKH	Tue, Nov 6, 2018	61.13	62.31	59.56	62.10
6659	NYSE	BKH	Mon, Nov 5, 2018	60.54	62.17	60.54	61.81
6658	NYSE	BKH	Fri, Nov 2, 2018	60.58	60.77	59.50	60.31
6657	NYSE	BKH	Thu, Nov 1, 2018	59.66	60.35	59.33	60.33
6656	NYSE	BKH	Wed, Oct 31, 2018	60.85	60.86	59.38	59.50
6655	NYSE	BKH	Tue, Oct 30, 2018	61.38	61.79	60.15	60.87
6654	NYSE	BKH	Mon, Oct 29, 2018	61.13	62.03	60.89	61.12
6653	NYSE	BKH	Fri, Oct 26, 2018	61.59	61.88	60.48	60.99
6652	NYSE	BKH	Thu, Oct 25, 2018	61.95	61.95	60.84	61.37
6651	NYSE	BKH	Wed, Oct 24, 2018	61.03	63.00	60.62	62.21
6650	NYSE	BKH	Tue, Oct 23, 2018	61.83	62.07	60.77	60.81
6649	NYSE	BKH	Mon, Oct 22, 2018	62.35	62.78	61.41	61.82
6648	NYSE	BKH	Fri, Oct 19, 2018	61.20	62.68	61.20	62.27
6647	NYSE	BKH	Thu, Oct 18, 2018	61.45	61.93	61.16	61.35
6646	NYSE	BKH	Wed, Oct 17, 2018	61.88	62.06	60.68	61.41
6645	NYSE	BKH	Tue, Oct 16, 2018	60.49	61.35	59.93	60.84
6644	NYSE	BKH	Mon, Oct 15, 2018	59.82	60.79	59.74	60.37
6643	NYSE	BKH	Fri, Oct 12, 2018	61.08	61.08	59.07	59.57
6642	NYSE	BKH	Thu, Oct 11, 2018	61.96	61.96	60.33	60.98
6641	NYSE	BKH	Wed, Oct 10, 2018	61.13	63.09	61.13	61.57
6640	NYSE	BKH	Tue, Oct 9, 2018	60.71	61.56	60.19	61.20
6639	NYSE	BKH	Mon, Oct 8, 2018	59.61	60.67	59.58	60.39
6638	NYSE	BKH	Fri, Oct 5, 2018	58.66	59.60	58.44	59.44
6637	NYSE	BKH	Thu, Oct 4, 2018	57.50	58.80	57.40	58.62
6636	NYSE	BKH	Wed, Oct 3, 2018	58.56	58.88	57.11	57.75
6635	NYSE	BKH	Tue, Oct 2, 2018	57.28	58.69	57.28	58.59
6634	NYSE	BKH	Mon, Oct 1, 2018	57.99	58.21	57.07	57.24
6633	NYSE	BKH	Fri, Sep 28, 2018	57.44	58.11	57.35	58.09
6632	NYSE	BKH	Thu, Sep 27, 2018	56.81	57.63	56.42	57.27
6631	NYSE	BKH	Wed, Sep 26, 2018	57.56	57.75	56.62	56.71
6630	NYSE	BKH	Tue, Sep 25, 2018	58.55	58.60	57.42	57.52
6629	NYSE	BKH	Mon, Sep 24, 2018	59.14	59.38	58.25	58.60
6628	NYSE	BKH	Fri, Sep 21, 2018	58.59	59.62	58.51	59.15
6627	NYSE	BKH	Thu, Sep 20, 2018	58.24	58.86	57.46	58.86
6626	NYSE	BKH	Wed, Sep 19, 2018	59.80	59.83	58.14	58.28
6625	NYSE	BKH	Tue, Sep 18, 2018	59.73	59.95	59.32	59.75
6624	NYSE	BKH	Mon, Sep 17, 2018	59.54	59.94	59.18	59.74
6623	NYSE	BKH	Fri, Sep 14, 2018	59.33	59.55	58.88	59.29
6622	NYSE	BKH	Thu, Sep 13, 2018	59.35	59.56	58.96	59.55
6621	NYSE	BKH	Wed, Sep 12, 2018	59.44	59.56	59.08	59.24
6620	NYSE	BKH	Tue, Sep 11, 2018	59.70	59.98	59.18	59.29
6619	NYSE	BKH	Mon, Sep 10, 2018	59.68	59.93	59.54	59.73
6618	NYSE	BKH	Fri, Sep 7, 2018	59.27	59.59	58.86	59.37
6617	NYSE	BKH	Thu, Sep 6, 2018	59.30	59.94	59.05	59.70
6616	NYSE	BKH	Wed, Sep 5, 2018	58.62	59.38	58.42	59.24
6615	NYSE	BKH	Tue, Sep 4, 2018	58.93	59.53	58.49	58.61
6614	NYSE	BKH	Fri, Aug 31, 2018	59.41	59.87	58.62	58.85
6613	NYSE	BKH	Thu, Aug 30, 2018	59.70	60.00	59.38	59.45
6612	NYSE	BKH	Wed, Aug 29, 2018	59.52	59.53	58.95	59.50
6611	NYSE	BKH	Tue, Aug 28, 2018	59.75	59.75	59.14	59.29
6610	NYSE	BKH	Mon, Aug 27, 2018	60.79	60.79	59.56	59.69
6609	NYSE	BKH	Fri, Aug 24, 2018	60.53	60.79	60.20	60.70
6608	NYSE	BKH	Thu, Aug 23, 2018	60.31	60.94	60.29	60.47
6607	NYSE	BKH	Wed, Aug 22, 2018	61.00	61.12	60.19	60.36
6606	NYSE	BKH	Tue, Aug 21, 2018	60.94	61.29	60.57	61.01
6605	NYSE	BKH	Mon, Aug 20, 2018	61.35	61.38	60.88	60.94
6604	NYSE	BKH	Fri, Aug 17, 2018	60.51	61.30	60.51	61.23
6603	NYSE	BKH	Thu, Aug 16, 2018	60.66	61.13	59.72	60.59
6602	NYSE	BKH	Wed, Aug 15, 2018	60.36	61.46	60.17	60.69
6601	NYSE	BKH	Tue, Aug 14, 2018	60.05	60.76	60.03	60.22
6600	NYSE	BKH	Mon, Aug 13, 2018	60.37	60.37	59.46	59.97
6599	NYSE	BKH	Fri, Aug 10, 2018	60.47	61.13	60.07	60.22
6598	NYSE	BKH	Thu, Aug 9, 2018	60.26	60.59	59.98	60.45
6597	NYSE	BKH	Wed, Aug 8, 2018	59.91	60.45	59.56	60.18
6596	NYSE	BKH	Tue, Aug 7, 2018	59.89	61.08	59.50	60.09
6595	NYSE	BKH	Mon, Aug 6, 2018	60.06	60.75	59.78	60.11
6594	NYSE	BKH	Fri, Aug 3, 2018	60.06	60.38	59.64	60.03
6593	NYSE	BKH	Thu, Aug 2, 2018	58.87	60.25	58.72	60.10
6592	NYSE	BKH	Wed, Aug 1, 2018	59.72	59.72	58.66	58.90
6591	NYSE	BKH	Tue, Jul 31, 2018	59.68	60.32	59.01	59.97
6590	NYSE	BKH	Mon, Jul 30, 2018	59.69	60.06	59.09	59.45
6589	NYSE	BKH	Fri, Jul 27, 2018	60.40	60.63	59.34	59.69
6588	NYSE	BKH	Thu, Jul 26, 2018	60.25	61.17	59.72	60.29
6587	NYSE	BKH	Wed, Jul 25, 2018	60.20	60.20	59.22	59.79
6586	NYSE	BKH	Tue, Jul 24, 2018	60.39	60.42	59.55	60.15
6585	NYSE	BKH	Mon, Jul 23, 2018	60.47	60.79	59.87	60.39
6584	NYSE	BKH	Fri, Jul 20, 2018	61.06	61.07	60.39	60.44
6583	NYSE	BKH	Thu, Jul 19, 2018	60.46	61.15	60.39	60.90
6582	NYSE	BKH	Wed, Jul 18, 2018	60.78	61.06	60.23	60.38
6581	NYSE	BKH	Tue, Jul 17, 2018	61.24	61.46	60.75	60.89
6580	NYSE	BKH	Mon, Jul 16, 2018	61.25	61.31	60.39	61.20
6579	NYSE	BKH	Fri, Jul 13, 2018	61.46	61.64	61.11	61.32
6578	NYSE	BKH	Thu, Jul 12, 2018	62.36	62.45	60.89	61.40
6577	NYSE	BKH	Wed, Jul 11, 2018	62.53	62.96	62.04	62.34
6576	NYSE	BKH	Tue, Jul 10, 2018	61.00	62.61	60.65	62.56
6575	NYSE	BKH	Mon, Jul 9, 2018	63.98	63.98	60.83	61.00
6574	NYSE	BKH	Fri, Jul 6, 2018	62.96	64.14	62.94	63.97
6573	NYSE	BKH	Thu, Jul 5, 2018	61.88	62.92	61.81	62.90
6572	NYSE	BKH	Tue, Jul 3, 2018	61.60	62.38	61.54	61.89
6571	NYSE	BKH	Mon, Jul 2, 2018	61.13	61.63	61.04	61.60
6570	NYSE	BKH	Fri, Jun 29, 2018	61.52	61.65	60.96	61.21
6569	NYSE	BKH	Thu, Jun 28, 2018	61.10	61.58	61.08	61.44
6568	NYSE	BKH	Wed, Jun 27, 2018	60.70	61.26	60.46	61.02
6567	NYSE	BKH	Tue, Jun 26, 2018	61.44	61.44	60.60	60.66
6566	NYSE	BKH	Mon, Jun 25, 2018	60.81	61.56	60.68	61.44
6565	NYSE	BKH	Fri, Jun 22, 2018	60.53	61.64	60.43	60.69
6564	NYSE	BKH	Thu, Jun 21, 2018	59.77	60.59	59.25	60.43
6563	NYSE	BKH	Wed, Jun 20, 2018	59.52	60.10	59.01	59.83
6562	NYSE	BKH	Tue, Jun 19, 2018	57.94	59.44	57.86	59.38
6561	NYSE	BKH	Mon, Jun 18, 2018	57.02	58.00	57.02	57.91
6560	NYSE	BKH	Fri, Jun 15, 2018	56.51	56.99	56.16	56.98
6559	NYSE	BKH	Thu, Jun 14, 2018	56.80	57.07	56.65	56.84
6558	NYSE	BKH	Wed, Jun 13, 2018	56.48	57.09	56.29	56.67
6557	NYSE	BKH	Tue, Jun 12, 2018	55.62	56.83	55.43	56.34
6556	NYSE	BKH	Mon, Jun 11, 2018	55.94	56.22	55.07	55.60
6555	NYSE	BKH	Fri, Jun 8, 2018	56.17	56.41	55.68	56.06
6554	NYSE	BKH	Thu, Jun 7, 2018	55.68	56.33	55.48	55.94
6553	NYSE	BKH	Wed, Jun 6, 2018	56.46	56.74	55.30	55.59
6552	NYSE	BKH	Tue, Jun 5, 2018	56.99	57.07	56.13	56.48
6551	NYSE	BKH	Mon, Jun 4, 2018	57.21	57.51	56.26	56.75
6550	NYSE	BKH	Fri, Jun 1, 2018	58.09	58.16	56.93	57.02
6549	NYSE	BKH	Thu, May 31, 2018	58.60	58.66	58.02	58.16
6548	NYSE	BKH	Wed, May 30, 2018	57.37	58.74	57.25	58.58
6547	NYSE	BKH	Tue, May 29, 2018	57.65	58.03	57.31	57.52
6546	NYSE	BKH	Fri, May 25, 2018	57.39	57.83	57.23	57.79
6545	NYSE	BKH	Thu, May 24, 2018	57.07	57.41	56.74	57.40
6544	NYSE	BKH	Wed, May 23, 2018	56.80	57.05	56.62	57.05
6543	NYSE	BKH	Tue, May 22, 2018	56.49	57.18	56.36	56.64
6542	NYSE	BKH	Mon, May 21, 2018	56.10	56.52	55.53	56.35
6541	NYSE	BKH	Fri, May 18, 2018	56.54	56.54	55.69	56.18
6540	NYSE	BKH	Thu, May 17, 2018	56.51	56.81	56.13	56.20
6539	NYSE	BKH	Wed, May 16, 2018	57.30	57.41	56.32	56.29
6538	NYSE	BKH	Tue, May 15, 2018	57.64	57.79	56.93	57.22
6537	NYSE	BKH	Mon, May 14, 2018	58.27	58.56	57.71	57.95
6536	NYSE	BKH	Fri, May 11, 2018	58.16	58.41	57.99	58.21
6535	NYSE	BKH	Thu, May 10, 2018	57.89	58.18	57.43	58.12
6534	NYSE	BKH	Wed, May 9, 2018	58.28	58.42	57.33	57.58
6533	NYSE	BKH	Tue, May 8, 2018	58.95	58.95	57.82	58.31
6532	NYSE	BKH	Mon, May 7, 2018	59.12	59.49	58.95	59.15
6531	NYSE	BKH	Fri, May 4, 2018	58.00	59.40	58.00	58.95
6530	NYSE	BKH	Thu, May 3, 2018	57.36	57.86	56.54	57.67
6529	NYSE	BKH	Wed, May 2, 2018	56.74	57.76	56.64	57.48
6528	NYSE	BKH	Tue, May 1, 2018	56.76	56.86	56.54	56.80
6527	NYSE	BKH	Mon, Apr 30, 2018	56.96	57.28	56.56	56.68
6526	NYSE	BKH	Fri, Apr 27, 2018	56.25	57.01	56.25	56.86
6525	NYSE	BKH	Thu, Apr 26, 2018	55.87	56.36	55.63	56.34
6524	NYSE	BKH	Wed, Apr 25, 2018	55.08	55.80	54.93	55.74
6523	NYSE	BKH	Tue, Apr 24, 2018	54.46	55.51	54.35	55.45
6522	NYSE	BKH	Mon, Apr 23, 2018	54.28	54.46	54.02	54.36
6521	NYSE	BKH	Fri, Apr 20, 2018	54.26	54.62	54.09	54.24
6520	NYSE	BKH	Thu, Apr 19, 2018	54.32	54.60	54.05	54.51
6519	NYSE	BKH	Wed, Apr 18, 2018	54.48	55.05	54.32	54.33
6518	NYSE	BKH	Tue, Apr 17, 2018	53.95	54.57	53.63	54.41
6517	NYSE	BKH	Mon, Apr 16, 2018	53.09	53.90	53.09	53.79
6516	NYSE	BKH	Fri, Apr 13, 2018	52.86	53.31	52.78	53.13
6515	NYSE	BKH	Thu, Apr 12, 2018	53.52	53.59	52.63	52.69
6514	NYSE	BKH	Wed, Apr 11, 2018	53.48	53.92	53.01	53.44
6513	NYSE	BKH	Tue, Apr 10, 2018	53.90	54.13	53.46	53.48
6512	NYSE	BKH	Mon, Apr 9, 2018	54.15	54.23	53.56	53.64
6511	NYSE	BKH	Fri, Apr 6, 2018	54.56	54.80	53.79	53.99
6510	NYSE	BKH	Thu, Apr 5, 2018	54.23	54.85	53.42	54.71
6509	NYSE	BKH	Wed, Apr 4, 2018	54.22	54.47	53.85	54.21
6508	NYSE	BKH	Tue, Apr 3, 2018	54.01	54.80	53.66	54.45
6507	NYSE	BKH	Mon, Apr 2, 2018	54.36	54.45	53.40	53.96
6506	NYSE	BKH	Thu, Mar 29, 2018	54.17	54.62	53.97	54.30
6505	NYSE	BKH	Wed, Mar 28, 2018	53.81	54.27	53.61	53.96
6504	NYSE	BKH	Tue, Mar 27, 2018	52.84	53.99	52.51	53.55
6503	NYSE	BKH	Mon, Mar 26, 2018	52.27	52.96	51.84	52.89
6502	NYSE	BKH	Fri, Mar 23, 2018	53.05	53.68	51.83	52.00
6501	NYSE	BKH	Thu, Mar 22, 2018	53.17	54.03	52.96	53.03
6500	NYSE	BKH	Wed, Mar 21, 2018	53.33	53.77	53.04	53.22
6499	NYSE	BKH	Tue, Mar 20, 2018	53.45	53.73	52.99	53.29
6498	NYSE	BKH	Mon, Mar 19, 2018	53.19	53.83	53.15	53.58
6497	NYSE	BKH	Fri, Mar 16, 2018	52.80	53.26	52.18	53.22
6496	NYSE	BKH	Thu, Mar 15, 2018	51.91	53.30	51.85	52.67
6495	NYSE	BKH	Wed, Mar 14, 2018	51.58	52.16	51.31	52.00
6494	NYSE	BKH	Tue, Mar 13, 2018	52.34	52.71	51.41	51.60
6493	NYSE	BKH	Mon, Mar 12, 2018	52.05	52.45	51.76	52.31
6492	NYSE	BKH	Fri, Mar 9, 2018	51.94	52.19	51.46	52.04
6491	NYSE	BKH	Thu, Mar 8, 2018	51.66	52.02	51.39	51.80
6490	NYSE	BKH	Wed, Mar 7, 2018	52.14	52.59	51.49	51.52
6489	NYSE	BKH	Tue, Mar 6, 2018	52.25	52.47	51.46	52.25
6488	NYSE	BKH	Mon, Mar 5, 2018	51.23	52.41	51.05	52.26
6487	NYSE	BKH	Fri, Mar 2, 2018	50.74	51.43	50.49	51.33
6486	NYSE	BKH	Thu, Mar 1, 2018	50.81	51.47	50.67	50.97
6485	NYSE	BKH	Wed, Feb 28, 2018	51.73	52.17	50.79	50.79
6484	NYSE	BKH	Tue, Feb 27, 2018	52.22	52.97	51.57	51.60
6483	NYSE	BKH	Mon, Feb 26, 2018	52.04	52.29	51.84	51.98
6482	NYSE	BKH	Fri, Feb 23, 2018	51.02	51.95	50.77	51.94
6481	NYSE	BKH	Thu, Feb 22, 2018	50.88	51.54	50.67	50.86
6480	NYSE	BKH	Wed, Feb 21, 2018	51.49	51.89	50.65	50.66
6479	NYSE	BKH	Tue, Feb 20, 2018	52.30	52.41	51.46	51.54
6478	NYSE	BKH	Fri, Feb 16, 2018	52.10	52.57	51.83	52.39
6477	NYSE	BKH	Thu, Feb 15, 2018	51.85	52.23	51.55	52.19
6476	NYSE	BKH	Wed, Feb 14, 2018	51.33	52.05	51.32	51.76
6475	NYSE	BKH	Tue, Feb 13, 2018	53.04	53.21	52.04	51.83
6474	NYSE	BKH	Mon, Feb 12, 2018	52.09	53.35	51.42	53.17
6473	NYSE	BKH	Fri, Feb 9, 2018	50.97	52.44	50.80	52.04
6472	NYSE	BKH	Thu, Feb 8, 2018	51.69	52.19	50.71	50.72
6471	NYSE	BKH	Wed, Feb 7, 2018	51.37	52.55	50.98	51.78
6470	NYSE	BKH	Tue, Feb 6, 2018	51.80	52.37	51.00	51.75
6469	NYSE	BKH	Mon, Feb 5, 2018	53.87	54.37	52.34	52.41
6468	NYSE	BKH	Fri, Feb 2, 2018	54.37	55.75	53.71	53.90
6467	NYSE	BKH	Thu, Feb 1, 2018	55.52	55.69	54.50	54.92
6466	NYSE	BKH	Wed, Jan 31, 2018	55.66	55.66	55.12	55.55
6465	NYSE	BKH	Tue, Jan 30, 2018	55.86	56.36	54.88	55.52
6464	NYSE	BKH	Mon, Jan 29, 2018	57.06	57.36	55.76	55.77
6463	NYSE	BKH	Fri, Jan 26, 2018	56.38	57.17	55.74	57.10
6462	NYSE	BKH	Thu, Jan 25, 2018	55.66	56.28	54.96	56.12
6461	NYSE	BKH	Wed, Jan 24, 2018	55.76	56.24	55.42	55.97
6460	NYSE	BKH	Tue, Jan 23, 2018	54.74	55.86	54.60	55.58
6459	NYSE	BKH	Mon, Jan 22, 2018	53.93	54.89	53.73	54.75
6458	NYSE	BKH	Fri, Jan 19, 2018	53.11	53.94	52.96	53.66
6457	NYSE	BKH	Thu, Jan 18, 2018	53.53	53.73	52.50	53.21
6456	NYSE	BKH	Wed, Jan 17, 2018	53.62	53.92	52.99	53.46
6455	NYSE	BKH	Tue, Jan 16, 2018	54.17	54.65	53.60	53.62
6454	NYSE	BKH	Fri, Jan 12, 2018	55.06	55.26	54.37	54.44
6453	NYSE	BKH	Thu, Jan 11, 2018	55.34	56.03	54.84	54.99
6452	NYSE	BKH	Wed, Jan 10, 2018	55.16	56.55	54.81	55.12
6451	NYSE	BKH	Tue, Jan 9, 2018	56.75	57.23	54.20	54.78
6450	NYSE	BKH	Mon, Jan 8, 2018	57.46	57.91	57.10	57.85
6449	NYSE	BKH	Fri, Jan 5, 2018	58.40	58.47	57.08	57.41
6448	NYSE	BKH	Thu, Jan 4, 2018	58.55	59.35	58.14	58.27
6447	NYSE	BKH	Wed, Jan 3, 2018	59.04	59.46	58.28	58.62
6446	NYSE	BKH	Tue, Jan 2, 2018	60.11	60.20	59.05	59.14
6445	NYSE	BKH	Fri, Dec 29, 2017	60.00	60.51	59.89	60.11
6444	NYSE	BKH	Thu, Dec 28, 2017	59.15	59.94	59.01	59.91
6443	NYSE	BKH	Wed, Dec 27, 2017	58.69	59.07	58.43	59.06
6442	NYSE	BKH	Tue, Dec 26, 2017	59.00	59.28	58.58	58.64
6441	NYSE	BKH	Fri, Dec 22, 2017	58.31	59.07	58.13	59.02
6440	NYSE	BKH	Thu, Dec 21, 2017	58.46	58.54	58.05	58.20
6439	NYSE	BKH	Wed, Dec 20, 2017	58.94	59.43	58.52	58.60
6438	NYSE	BKH	Tue, Dec 19, 2017	59.62	59.96	59.00	59.07
6437	NYSE	BKH	Mon, Dec 18, 2017	60.25	60.57	59.46	59.76
6436	NYSE	BKH	Fri, Dec 15, 2017	59.44	60.52	59.42	60.02
6435	NYSE	BKH	Thu, Dec 14, 2017	59.95	60.45	59.35	59.47
6434	NYSE	BKH	Wed, Dec 13, 2017	59.87	60.24	59.49	60.18
6433	NYSE	BKH	Tue, Dec 12, 2017	59.69	60.17	59.69	59.73
6432	NYSE	BKH	Mon, Dec 11, 2017	59.63	59.99	59.40	59.97
6431	NYSE	BKH	Fri, Dec 8, 2017	58.93	59.68	58.78	59.65
6430	NYSE	BKH	Thu, Dec 7, 2017	57.93	59.08	57.73	58.94
6429	NYSE	BKH	Wed, Dec 6, 2017	57.57	57.99	57.01	58.94
6428	NYSE	BKH	Tue, Dec 5, 2017	58.02	58.31	57.10	57.44
6427	NYSE	BKH	Mon, Dec 4, 2017	58.49	58.64	57.85	58.12
6426	NYSE	BKH	Fri, Dec 1, 2017	58.53	58.64	57.59	58.24
6425	NYSE	BKH	Thu, Nov 30, 2017	58.55	58.92	58.37	58.51
6424	NYSE	BKH	Wed, Nov 29, 2017	58.24	58.69	58.14	58.38
6423	NYSE	BKH	Tue, Nov 28, 2017	58.21	58.51	57.98	58.24
6422	NYSE	BKH	Mon, Nov 27, 2017	58.04	58.23	57.70	58.05
6421	NYSE	BKH	Fri, Nov 24, 2017	58.18	58.21	57.67	58.02
6420	NYSE	BKH	Wed, Nov 22, 2017	58.34	58.38	57.89	57.97
6419	NYSE	BKH	Tue, Nov 21, 2017	58.91	58.91	58.10	58.20
6418	NYSE	BKH	Mon, Nov 20, 2017	58.93	58.98	58.35	58.63
6417	NYSE	BKH	Fri, Nov 17, 2017	59.03	59.24	58.66	58.93
6416	NYSE	BKH	Thu, Nov 16, 2017	57.89	59.32	57.71	59.32
6415	NYSE	BKH	Wed, Nov 15, 2017	58.76	58.80	58.14	57.88
6414	NYSE	BKH	Tue, Nov 14, 2017	58.16	58.85	58.06	58.80
6413	NYSE	BKH	Mon, Nov 13, 2017	58.07	58.44	57.26	58.33
6412	NYSE	BKH	Fri, Nov 10, 2017	57.94	58.37	57.31	57.59
6411	NYSE	BKH	Thu, Nov 9, 2017	57.60	58.23	57.60	58.20
6410	NYSE	BKH	Wed, Nov 8, 2017	58.70	59.03	57.62	57.97
6409	NYSE	BKH	Tue, Nov 7, 2017	59.95	59.95	58.68	58.84
6408	NYSE	BKH	Mon, Nov 6, 2017	61.00	61.00	59.33	59.74
6407	NYSE	BKH	Fri, Nov 3, 2017	64.22	64.22	59.80	61.23
6406	NYSE	BKH	Thu, Nov 2, 2017	64.56	64.63	63.50	63.75
6405	NYSE	BKH	Wed, Nov 1, 2017	65.68	65.71	64.28	64.45
6404	NYSE	BKH	Tue, Oct 31, 2017	65.28	65.87	65.06	65.26
6403	NYSE	BKH	Mon, Oct 30, 2017	65.22	65.53	64.73	65.36
6402	NYSE	BKH	Fri, Oct 27, 2017	65.02	65.15	64.41	65.08
6401	NYSE	BKH	Thu, Oct 26, 2017	65.03	65.86	65.02	65.09
6400	NYSE	BKH	Wed, Oct 25, 2017	65.97	65.97	64.29	64.89
6399	NYSE	BKH	Tue, Oct 24, 2017	66.63	67.43	66.28	66.31
6398	NYSE	BKH	Mon, Oct 23, 2017	66.94	67.05	66.50	67.02
6397	NYSE	BKH	Fri, Oct 20, 2017	67.34	67.77	66.62	66.97
6396	NYSE	BKH	Thu, Oct 19, 2017	67.38	67.43	66.77	67.30
6395	NYSE	BKH	Wed, Oct 18, 2017	67.53	67.86	67.21	67.26
6394	NYSE	BKH	Tue, Oct 17, 2017	67.59	67.93	67.34	67.60
6393	NYSE	BKH	Mon, Oct 16, 2017	67.68	68.03	67.35	67.69
6392	NYSE	BKH	Fri, Oct 13, 2017	68.70	69.00	67.61	67.67
6391	NYSE	BKH	Thu, Oct 12, 2017	68.27	68.74	67.95	68.42
6390	NYSE	BKH	Wed, Oct 11, 2017	67.87	68.49	67.63	68.00
6389	NYSE	BKH	Tue, Oct 10, 2017	67.54	68.43	67.14	68.04
6388	NYSE	BKH	Mon, Oct 9, 2017	67.35	67.51	66.82	67.09
6387	NYSE	BKH	Fri, Oct 6, 2017	67.95	68.60	66.19	67.08
6386	NYSE	BKH	Thu, Oct 5, 2017	69.74	69.74	68.82	69.15
6385	NYSE	BKH	Wed, Oct 4, 2017	69.03	69.79	68.74	69.73
6384	NYSE	BKH	Tue, Oct 3, 2017	68.67	69.54	68.37	69.08
6383	NYSE	BKH	Mon, Oct 2, 2017	68.79	69.03	68.23	68.62
6382	NYSE	BKH	Fri, Sep 29, 2017	69.25	69.43	68.82	68.87
6381	NYSE	BKH	Thu, Sep 28, 2017	68.77	69.43	68.20	69.33
6380	NYSE	BKH	Wed, Sep 27, 2017	68.75	69.23	68.22	69.07
6379	NYSE	BKH	Tue, Sep 26, 2017	69.20	69.53	68.87	68.96
6378	NYSE	BKH	Mon, Sep 25, 2017	68.50	69.33	68.50	69.23
6377	NYSE	BKH	Fri, Sep 22, 2017	68.93	69.29	68.50	68.60
6376	NYSE	BKH	Thu, Sep 21, 2017	68.51	69.08	68.26	68.73
6375	NYSE	BKH	Wed, Sep 20, 2017	69.10	69.19	68.31	68.51
6374	NYSE	BKH	Tue, Sep 19, 2017	69.05	69.64	68.86	69.00
6373	NYSE	BKH	Mon, Sep 18, 2017	69.62	69.62	68.55	68.95
6372	NYSE	BKH	Fri, Sep 15, 2017	69.93	70.00	68.91	69.63
6371	NYSE	BKH	Thu, Sep 14, 2017	69.56	69.95	68.98	69.82
6370	NYSE	BKH	Wed, Sep 13, 2017	69.50	70.10	69.26	69.48
6369	NYSE	BKH	Tue, Sep 12, 2017	70.80	70.80	69.14	69.50
6368	NYSE	BKH	Mon, Sep 11, 2017	70.26	70.97	70.20	70.83
6367	NYSE	BKH	Fri, Sep 8, 2017	69.94	70.32	68.93	70.22
6366	NYSE	BKH	Thu, Sep 7, 2017	70.08	70.13	69.25	69.93
6365	NYSE	BKH	Wed, Sep 6, 2017	70.94	70.94	69.72	69.80
6364	NYSE	BKH	Tue, Sep 5, 2017	70.40	70.93	70.15	70.74
6363	NYSE	BKH	Fri, Sep 1, 2017	70.70	70.70	69.92	70.42
6362	NYSE	BKH	Thu, Aug 31, 2017	70.22	70.65	70.18	70.38
6361	NYSE	BKH	Wed, Aug 30, 2017	70.38	70.53	69.89	70.03
6360	NYSE	BKH	Tue, Aug 29, 2017	70.76	70.89	70.23	70.49
6359	NYSE	BKH	Mon, Aug 28, 2017	70.46	70.62	70.05	70.59
6358	NYSE	BKH	Fri, Aug 25, 2017	70.38	70.49	70.07	70.22
6357	NYSE	BKH	Thu, Aug 24, 2017	69.96	70.38	69.40	70.34
6356	NYSE	BKH	Wed, Aug 23, 2017	69.55	69.99	69.35	69.89
6355	NYSE	BKH	Tue, Aug 22, 2017	69.23	69.87	68.85	69.77
6354	NYSE	BKH	Mon, Aug 21, 2017	68.84	69.24	68.62	69.15
6353	NYSE	BKH	Fri, Aug 18, 2017	68.28	69.12	68.03	68.73
6352	NYSE	BKH	Thu, Aug 17, 2017	69.89	70.07	68.70	68.71
6351	NYSE	BKH	Wed, Aug 16, 2017	69.90	70.25	69.64	69.91
6350	NYSE	BKH	Tue, Aug 15, 2017	70.13	70.68	69.60	69.65
6349	NYSE	BKH	Mon, Aug 14, 2017	69.56	70.51	69.56	70.32
6348	NYSE	BKH	Fri, Aug 11, 2017	69.71	70.24	69.21	69.52
6347	NYSE	BKH	Thu, Aug 10, 2017	70.59	70.79	70.02	70.24
6346	NYSE	BKH	Wed, Aug 9, 2017	70.88	70.88	70.05	70.67
6345	NYSE	BKH	Tue, Aug 8, 2017	70.23	70.87	69.98	70.79
6344	NYSE	BKH	Mon, Aug 7, 2017	69.73	71.01	69.31	70.33
6343	NYSE	BKH	Fri, Aug 4, 2017	69.30	69.75	68.49	69.51
6342	NYSE	BKH	Thu, Aug 3, 2017	69.50	69.87	69.04	69.68
6341	NYSE	BKH	Wed, Aug 2, 2017	69.96	70.04	69.37	69.56
6340	NYSE	BKH	Tue, Aug 1, 2017	69.85	70.30	69.33	70.09
6339	NYSE	BKH	Mon, Jul 31, 2017	69.55	69.85	68.90	69.66
6338	NYSE	BKH	Fri, Jul 28, 2017	69.65	70.04	68.86	69.59
6337	NYSE	BKH	Thu, Jul 27, 2017	69.64	69.90	69.27	69.82
6336	NYSE	BKH	Wed, Jul 26, 2017	69.82	70.04	68.92	69.78
6335	NYSE	BKH	Tue, Jul 25, 2017	69.75	70.01	69.71	69.93
6334	NYSE	BKH	Mon, Jul 24, 2017	70.46	70.80	69.58	69.84
6333	NYSE	BKH	Fri, Jul 21, 2017	70.50	70.51	69.79	70.47
6332	NYSE	BKH	Thu, Jul 20, 2017	69.51	70.12	69.33	69.86
6331	NYSE	BKH	Wed, Jul 19, 2017	68.59	69.32	68.43	69.19
6330	NYSE	BKH	Tue, Jul 18, 2017	68.27	68.54	68.02	68.46
6329	NYSE	BKH	Mon, Jul 17, 2017	67.54	68.26	67.37	68.23
6328	NYSE	BKH	Fri, Jul 14, 2017	67.87	68.27	67.65	67.70
6327	NYSE	BKH	Thu, Jul 13, 2017	68.14	68.14	67.08	67.47
6326	NYSE	BKH	Wed, Jul 12, 2017	68.10	68.46	67.87	68.23
6325	NYSE	BKH	Tue, Jul 11, 2017	67.97	67.97	67.19	67.36
6324	NYSE	BKH	Mon, Jul 10, 2017	68.47	68.47	67.82	67.89
6323	NYSE	BKH	Fri, Jul 7, 2017	67.68	68.29	67.64	68.20
6322	NYSE	BKH	Thu, Jul 6, 2017	67.43	67.79	67.20	67.66
6321	NYSE	BKH	Wed, Jul 5, 2017	67.93	68.20	67.18	67.77
6320	NYSE	BKH	Mon, Jul 3, 2017	67.71	68.42	67.53	67.98
6319	NYSE	BKH	Fri, Jun 30, 2017	67.83	68.13	67.44	67.47
6318	NYSE	BKH	Thu, Jun 29, 2017	68.79	68.92	67.40	67.84
6317	NYSE	BKH	Wed, Jun 28, 2017	69.83	70.10	69.21	69.28
6316	NYSE	BKH	Tue, Jun 27, 2017	70.20	70.39	69.28	69.47
6315	NYSE	BKH	Mon, Jun 26, 2017	70.79	70.84	70.34	70.50
6314	NYSE	BKH	Fri, Jun 23, 2017	70.51	70.79	70.38	70.68
6313	NYSE	BKH	Thu, Jun 22, 2017	71.07	71.11	70.46	70.52
6312	NYSE	BKH	Wed, Jun 21, 2017	71.28	71.68	70.82	71.03
6311	NYSE	BKH	Tue, Jun 20, 2017	71.73	71.88	71.34	71.34
6310	NYSE	BKH	Mon, Jun 19, 2017	71.94	72.02	71.38	71.60
6309	NYSE	BKH	Fri, Jun 16, 2017	70.29	71.98	70.29	71.88
6308	NYSE	BKH	Thu, Jun 15, 2017	70.32	71.04	70.32	71.02
6307	NYSE	BKH	Wed, Jun 14, 2017	70.63	71.01	70.21	70.74
6306	NYSE	BKH	Tue, Jun 13, 2017	69.04	69.98	68.87	69.98
6305	NYSE	BKH	Mon, Jun 12, 2017	68.91	69.33	68.55	69.00
6304	NYSE	BKH	Fri, Jun 9, 2017	69.55	69.82	68.57	68.85
6303	NYSE	BKH	Thu, Jun 8, 2017	70.24	70.24	69.29	69.70
6302	NYSE	BKH	Wed, Jun 7, 2017	70.70	70.91	70.32	70.36
6301	NYSE	BKH	Tue, Jun 6, 2017	70.47	70.93	70.30	70.72
6300	NYSE	BKH	Mon, Jun 5, 2017	71.29	71.29	70.38	70.43
6299	NYSE	BKH	Fri, Jun 2, 2017	70.92	71.72	70.51	71.37
6298	NYSE	BKH	Thu, Jun 1, 2017	69.35	70.34	69.22	70.34
6297	NYSE	BKH	Wed, May 31, 2017	69.34	69.79	69.24	69.54
6296	NYSE	BKH	Tue, May 30, 2017	69.30	69.60	69.10	69.36
6295	NYSE	BKH	Fri, May 26, 2017	69.50	69.83	69.20	69.34
6294	NYSE	BKH	Thu, May 25, 2017	69.20	69.50	68.64	69.44
6293	NYSE	BKH	Wed, May 24, 2017	68.63	69.09	68.63	69.02
6292	NYSE	BKH	Tue, May 23, 2017	68.29	68.84	68.18	68.50
6291	NYSE	BKH	Mon, May 22, 2017	67.62	68.45	67.45	68.14
6290	NYSE	BKH	Fri, May 19, 2017	67.51	68.11	67.17	67.63
6289	NYSE	BKH	Thu, May 18, 2017	68.35	68.66	67.17	67.48
6288	NYSE	BKH	Wed, May 17, 2017	68.39	68.75	67.91	68.41
6287	NYSE	BKH	Tue, May 16, 2017	68.51	68.73	68.24	68.39
6286	NYSE	BKH	Mon, May 15, 2017	68.60	69.20	68.60	68.35
6285	NYSE	BKH	Fri, May 12, 2017	68.45	68.77	68.22	68.53
6284	NYSE	BKH	Thu, May 11, 2017	67.98	68.30	67.64	68.25
6283	NYSE	BKH	Wed, May 10, 2017	67.98	68.62	67.84	68.18
6282	NYSE	BKH	Tue, May 9, 2017	69.41	69.64	67.72	67.84
6281	NYSE	BKH	Mon, May 8, 2017	69.41	69.65	68.72	69.44
6280	NYSE	BKH	Fri, May 5, 2017	68.50	69.37	68.50	69.25
6279	NYSE	BKH	Thu, May 4, 2017	65.96	68.65	65.84	68.36
6278	NYSE	BKH	Wed, May 3, 2017	67.40	67.44	66.47	66.63
6277	NYSE	BKH	Tue, May 2, 2017	67.22	68.00	67.10	67.42
6276	NYSE	BKH	Mon, May 1, 2017	68.13	68.16	66.88	67.39
6275	NYSE	BKH	Fri, Apr 28, 2017	68.55	68.58	67.77	68.02
6274	NYSE	BKH	Thu, Apr 27, 2017	68.64	69.16	68.48	68.54
6273	NYSE	BKH	Wed, Apr 26, 2017	68.26	69.22	67.95	68.62
6272	NYSE	BKH	Tue, Apr 25, 2017	68.11	68.69	68.03	68.40
6271	NYSE	BKH	Mon, Apr 24, 2017	67.60	68.06	67.06	68.03
6270	NYSE	BKH	Fri, Apr 21, 2017	67.16	67.68	67.07	67.33
6269	NYSE	BKH	Thu, Apr 20, 2017	67.63	67.63	66.74	67.28
6268	NYSE	BKH	Wed, Apr 19, 2017	68.46	68.51	67.53	67.59
6267	NYSE	BKH	Tue, Apr 18, 2017	67.98	68.63	67.76	68.48
6266	NYSE	BKH	Mon, Apr 17, 2017	67.32	68.03	67.23	68.01
6265	NYSE	BKH	Thu, Apr 13, 2017	67.83	67.90	67.19	67.25
6264	NYSE	BKH	Wed, Apr 12, 2017	67.68	67.96	67.39	67.83
6263	NYSE	BKH	Tue, Apr 11, 2017	67.27	67.92	67.00	67.66
6262	NYSE	BKH	Mon, Apr 10, 2017	67.44	67.69	67.14	67.35
6261	NYSE	BKH	Fri, Apr 7, 2017	67.66	67.92	67.37	67.39
6260	NYSE	BKH	Thu, Apr 6, 2017	67.35	67.67	66.91	67.58
6259	NYSE	BKH	Wed, Apr 5, 2017	66.73	67.73	66.66	67.55
6258	NYSE	BKH	Tue, Apr 4, 2017	66.03	67.03	66.01	66.74
6257	NYSE	BKH	Mon, Apr 3, 2017	66.22	66.29	65.37	66.10
6256	NYSE	BKH	Fri, Mar 31, 2017	65.62	66.72	65.62	66.47
6255	NYSE	BKH	Thu, Mar 30, 2017	65.54	66.00	65.24	65.55
6254	NYSE	BKH	Wed, Mar 29, 2017	66.37	66.48	65.50	65.70
6253	NYSE	BKH	Tue, Mar 28, 2017	66.25	66.82	66.04	66.52
6252	NYSE	BKH	Mon, Mar 27, 2017	66.28	66.49	65.84	66.34
6251	NYSE	BKH	Fri, Mar 24, 2017	66.17	66.62	66.06	66.21
6250	NYSE	BKH	Thu, Mar 23, 2017	65.71	66.76	65.60	66.19
6249	NYSE	BKH	Wed, Mar 22, 2017	65.85	66.26	65.58	65.91
6248	NYSE	BKH	Tue, Mar 21, 2017	65.11	65.97	64.97	65.65
6247	NYSE	BKH	Mon, Mar 20, 2017	66.70	66.95	64.67	65.11
6246	NYSE	BKH	Fri, Mar 17, 2017	66.76	67.02	66.46	66.65
6245	NYSE	BKH	Thu, Mar 16, 2017	66.25	66.66	66.09	66.33
6244	NYSE	BKH	Wed, Mar 15, 2017	65.50	66.69	65.40	66.40
6243	NYSE	BKH	Tue, Mar 14, 2017	65.03	65.28	64.82	65.15
6242	NYSE	BKH	Mon, Mar 13, 2017	64.82	65.42	64.71	65.20
6241	NYSE	BKH	Fri, Mar 10, 2017	63.85	64.77	63.85	64.74
6240	NYSE	BKH	Thu, Mar 9, 2017	63.87	64.42	63.68	63.85
6239	NYSE	BKH	Wed, Mar 8, 2017	63.95	64.12	62.83	63.95
6238	NYSE	BKH	Tue, Mar 7, 2017	64.43	64.87	63.70	64.70
6237	NYSE	BKH	Mon, Mar 6, 2017	64.66	64.81	64.25	64.53
6236	NYSE	BKH	Fri, Mar 3, 2017	65.67	65.82	64.25	64.74
6235	NYSE	BKH	Thu, Mar 2, 2017	65.23	65.89	64.98	65.58
6234	NYSE	BKH	Wed, Mar 1, 2017	64.43	66.11	64.40	65.54
6233	NYSE	BKH	Tue, Feb 28, 2017	64.62	65.22	64.60	64.88
6232	NYSE	BKH	Mon, Feb 27, 2017	64.34	64.98	64.18	64.82
6231	NYSE	BKH	Fri, Feb 24, 2017	64.24	64.71	64.24	64.62
6230	NYSE	BKH	Thu, Feb 23, 2017	63.90	64.47	63.32	64.28
6229	NYSE	BKH	Wed, Feb 22, 2017	63.37	63.78	62.96	63.58
6228	NYSE	BKH	Tue, Feb 21, 2017	62.50	63.32	62.38	63.24
6227	NYSE	BKH	Fri, Feb 17, 2017	62.49	62.67	61.98	62.64
6226	NYSE	BKH	Thu, Feb 16, 2017	61.42	62.25	61.42	62.22
6225	NYSE	BKH	Wed, Feb 15, 2017	61.05	61.56	60.76	61.48
6224	NYSE	BKH	Tue, Feb 14, 2017	61.58	61.81	60.86	61.43
6223	NYSE	BKH	Mon, Feb 13, 2017	61.20	61.87	61.01	61.86
6222	NYSE	BKH	Fri, Feb 10, 2017	60.74	61.80	60.61	61.55
6221	NYSE	BKH	Thu, Feb 9, 2017	61.11	61.38	60.34	60.71
6220	NYSE	BKH	Wed, Feb 8, 2017	61.15	61.60	60.60	61.11
6219	NYSE	BKH	Tue, Feb 7, 2017	61.08	61.27	60.82	60.95
6218	NYSE	BKH	Mon, Feb 6, 2017	61.92	61.92	61.06	61.07
6217	NYSE	BKH	Fri, Feb 3, 2017	61.71	62.16	61.40	61.57
6216	NYSE	BKH	Thu, Feb 2, 2017	61.98	62.49	61.06	61.38
6215	NYSE	BKH	Wed, Feb 1, 2017	62.33	62.54	60.98	61.38
6214	NYSE	BKH	Tue, Jan 31, 2017	61.76	62.61	61.20	62.55
6213	NYSE	BKH	Mon, Jan 30, 2017	62.11	62.11	60.83	61.55
6212	NYSE	BKH	Fri, Jan 27, 2017	62.47	62.56	61.76	62.08
6211	NYSE	BKH	Thu, Jan 26, 2017	62.36	62.70	62.04	62.36
6210	NYSE	BKH	Wed, Jan 25, 2017	62.06	62.68	61.82	62.15
6209	NYSE	BKH	Tue, Jan 24, 2017	61.74	62.24	61.61	61.87
6208	NYSE	BKH	Mon, Jan 23, 2017	61.66	61.95	61.36	61.71
6207	NYSE	BKH	Fri, Jan 20, 2017	61.47	62.12	61.31	61.55
6206	NYSE	BKH	Thu, Jan 19, 2017	61.70	62.20	61.50	61.56
6205	NYSE	BKH	Wed, Jan 18, 2017	61.79	62.61	61.57	62.21
6204	NYSE	BKH	Tue, Jan 17, 2017	61.34	61.84	61.09	61.73
6203	NYSE	BKH	Fri, Jan 13, 2017	60.96	61.40	60.57	61.13
6202	NYSE	BKH	Thu, Jan 12, 2017	61.40	61.63	60.50	60.95
6201	NYSE	BKH	Wed, Jan 11, 2017	61.17	61.60	60.99	61.18
6200	NYSE	BKH	Tue, Jan 10, 2017	61.18	61.74	60.81	61.03
6199	NYSE	BKH	Mon, Jan 9, 2017	61.48	61.49	60.91	61.16
6198	NYSE	BKH	Fri, Jan 6, 2017	60.54	61.47	60.54	61.22
6197	NYSE	BKH	Thu, Jan 5, 2017	60.88	61.50	60.31	60.81
6196	NYSE	BKH	Wed, Jan 4, 2017	60.78	61.64	60.14	60.81
6195	NYSE	BKH	Tue, Jan 3, 2017	61.50	61.50	60.02	60.52
6194	NYSE	BKH	Fri, Dec 30, 2016	61.75	62.00	61.06	61.34
6193	NYSE	BKH	Thu, Dec 29, 2016	60.97	62.00	60.59	61.76
6192	NYSE	BKH	Wed, Dec 28, 2016	61.62	61.62	60.54	60.62
6191	NYSE	BKH	Tue, Dec 27, 2016	61.52	61.93	61.21	61.51
6190	NYSE	BKH	Fri, Dec 23, 2016	62.20	62.41	61.51	61.64
6189	NYSE	BKH	Thu, Dec 22, 2016	62.10	62.44	61.46	62.00
6188	NYSE	BKH	Wed, Dec 21, 2016	62.31	62.83	62.03	62.11
6187	NYSE	BKH	Tue, Dec 20, 2016	62.01	62.35	61.61	62.26
6186	NYSE	BKH	Mon, Dec 19, 2016	61.14	62.08	60.69	62.07
6185	NYSE	BKH	Fri, Dec 16, 2016	59.71	60.86	59.71	60.24
6184	NYSE	BKH	Thu, Dec 15, 2016	59.65	60.79	59.65	59.99
6183	NYSE	BKH	Wed, Dec 14, 2016	61.99	62.32	59.78	59.80
6182	NYSE	BKH	Tue, Dec 13, 2016	61.89	62.26	61.33	61.80
6181	NYSE	BKH	Mon, Dec 12, 2016	60.41	62.00	60.41	61.47
6180	NYSE	BKH	Fri, Dec 9, 2016	59.95	61.10	59.95	61.00
6179	NYSE	BKH	Thu, Dec 8, 2016	59.34	60.11	58.53	60.10
6178	NYSE	BKH	Wed, Dec 7, 2016	59.50	59.67	58.72	59.18
6177	NYSE	BKH	Tue, Dec 6, 2016	59.01	59.19	58.03	59.02
6176	NYSE	BKH	Mon, Dec 5, 2016	58.39	58.76	57.74	58.76
6175	NYSE	BKH	Fri, Dec 2, 2016	58.60	59.04	57.81	58.50
6174	NYSE	BKH	Thu, Dec 1, 2016	58.33	59.09	57.58	58.01
6173	NYSE	BKH	Wed, Nov 30, 2016	60.05	60.80	58.74	58.75
6172	NYSE	BKH	Tue, Nov 29, 2016	60.77	61.62	60.77	61.08
6171	NYSE	BKH	Mon, Nov 28, 2016	59.92	61.10	59.75	60.95
6170	NYSE	BKH	Fri, Nov 25, 2016	58.55	59.79	58.55	59.59
6169	NYSE	BKH	Wed, Nov 23, 2016	59.52	60.39	57.42	58.38
6168	NYSE	BKH	Tue, Nov 22, 2016	59.77	60.87	59.56	60.50
6167	NYSE	BKH	Mon, Nov 21, 2016	58.89	59.82	58.60	59.60
6166	NYSE	BKH	Fri, Nov 18, 2016	58.29	59.06	58.26	58.73
6165	NYSE	BKH	Thu, Nov 17, 2016	58.21	58.70	58.06	58.29
6164	NYSE	BKH	Wed, Nov 16, 2016	58.68	59.38	57.65	58.21
6163	NYSE	BKH	Tue, Nov 15, 2016	58.22	59.15	58.21	58.68
6162	NYSE	BKH	Mon, Nov 14, 2016	57.54	58.57	57.38	57.96
6161	NYSE	BKH	Fri, Nov 11, 2016	56.92	58.65	56.75	58.01
6160	NYSE	BKH	Thu, Nov 10, 2016	58.50	59.00	54.76	56.82
6159	NYSE	BKH	Wed, Nov 9, 2016	59.94	60.45	58.67	58.74
6158	NYSE	BKH	Tue, Nov 8, 2016	61.12	61.85	61.02	61.09
6157	NYSE	BKH	Mon, Nov 7, 2016	60.70	61.29	60.02	61.24
6156	NYSE	BKH	Fri, Nov 4, 2016	60.99	61.50	60.26	60.26
6155	NYSE	BKH	Thu, Nov 3, 2016	59.29	61.23	57.25	60.60
6154	NYSE	BKH	Wed, Nov 2, 2016	60.41	60.43	59.43	60.15
6153	NYSE	BKH	Tue, Nov 1, 2016	61.70	61.90	60.37	60.55
6152	NYSE	BKH	Mon, Oct 31, 2016	60.90	62.07	60.67	61.85
6151	NYSE	BKH	Fri, Oct 28, 2016	60.31	61.27	60.31	60.63
6150	NYSE	BKH	Thu, Oct 27, 2016	60.08	60.64	60.02	60.42
6149	NYSE	BKH	Wed, Oct 26, 2016	60.03	60.58	59.83	60.47
6148	NYSE	BKH	Tue, Oct 25, 2016	59.57	60.24	59.51	60.24
6147	NYSE	BKH	Mon, Oct 24, 2016	60.49	60.71	59.32	59.70
6146	NYSE	BKH	Fri, Oct 21, 2016	59.32	59.61	58.92	59.22
6145	NYSE	BKH	Thu, Oct 20, 2016	59.56	59.89	59.27	59.70
6144	NYSE	BKH	Wed, Oct 19, 2016	58.94	59.79	58.49	59.54
6143	NYSE	BKH	Tue, Oct 18, 2016	59.10	59.15	58.22	58.91
6142	NYSE	BKH	Mon, Oct 17, 2016	58.67	59.02	58.47	58.70
6141	NYSE	BKH	Fri, Oct 14, 2016	58.55	59.23	58.29	58.52
6140	NYSE	BKH	Thu, Oct 13, 2016	57.85	59.14	57.76	58.74
6139	NYSE	BKH	Wed, Oct 12, 2016	56.54	57.91	56.54	57.85
6138	NYSE	BKH	Tue, Oct 11, 2016	57.55	57.56	56.53	56.61
6137	NYSE	BKH	Mon, Oct 10, 2016	56.69	57.61	56.69	57.55
6136	NYSE	BKH	Fri, Oct 7, 2016	57.93	58.11	56.66	56.66
6135	NYSE	BKH	Thu, Oct 6, 2016	57.14	57.84	56.62	57.41
6134	NYSE	BKH	Wed, Oct 5, 2016	57.92	58.24	56.99	57.51
6133	NYSE	BKH	Tue, Oct 4, 2016	60.02	60.02	57.34	57.65
6132	NYSE	BKH	Mon, Oct 3, 2016	61.04	61.25	59.80	60.07
6131	NYSE	BKH	Fri, Sep 30, 2016	61.90	62.16	60.96	61.22
6130	NYSE	BKH	Thu, Sep 29, 2016	62.41	62.57	61.39	61.75
6129	NYSE	BKH	Wed, Sep 28, 2016	63.37	63.56	62.45	62.68
6128	NYSE	BKH	Tue, Sep 27, 2016	63.63	63.79	63.21	63.41
6127	NYSE	BKH	Mon, Sep 26, 2016	62.99	63.76	62.44	63.43
6126	NYSE	BKH	Fri, Sep 23, 2016	62.59	63.21	62.30	63.02
6125	NYSE	BKH	Thu, Sep 22, 2016	62.07	62.96	61.89	62.91
6124	NYSE	BKH	Wed, Sep 21, 2016	60.20	61.64	60.20	61.63
6123	NYSE	BKH	Tue, Sep 20, 2016	60.01	60.72	59.89	60.22
6122	NYSE	BKH	Mon, Sep 19, 2016	59.20	59.87	59.14	59.77
6121	NYSE	BKH	Fri, Sep 16, 2016	58.37	59.07	57.82	59.00
6120	NYSE	BKH	Thu, Sep 15, 2016	58.52	58.69	57.86	58.35
6119	NYSE	BKH	Wed, Sep 14, 2016	58.25	58.69	57.51	58.60
6118	NYSE	BKH	Tue, Sep 13, 2016	58.73	58.73	57.57	57.94
6117	NYSE	BKH	Mon, Sep 12, 2016	57.68	58.95	57.68	58.93
6116	NYSE	BKH	Fri, Sep 9, 2016	60.74	60.82	57.69	57.70
6115	NYSE	BKH	Thu, Sep 8, 2016	60.46	61.34	59.88	61.32
6114	NYSE	BKH	Wed, Sep 7, 2016	60.19	60.90	59.56	60.50
6113	NYSE	BKH	Tue, Sep 6, 2016	59.70	60.01	59.38	60.01
6112	NYSE	BKH	Fri, Sep 2, 2016	58.88	59.35	58.65	59.35
6111	NYSE	BKH	Thu, Sep 1, 2016	58.62	58.62	57.81	58.41
6110	NYSE	BKH	Wed, Aug 31, 2016	58.31	58.62	58.11	58.51
6109	NYSE	BKH	Tue, Aug 30, 2016	59.04	59.30	58.23	58.49
6108	NYSE	BKH	Mon, Aug 29, 2016	58.68	59.23	58.68	59.02
6107	NYSE	BKH	Fri, Aug 26, 2016	59.76	60.25	58.50	58.54
6106	NYSE	BKH	Thu, Aug 25, 2016	59.66	59.81	59.25	59.68
6105	NYSE	BKH	Wed, Aug 24, 2016	59.84	60.09	59.33	59.65
6104	NYSE	BKH	Tue, Aug 23, 2016	59.19	60.25	59.04	59.94
6103	NYSE	BKH	Mon, Aug 22, 2016	58.55	59.07	58.45	58.90
6102	NYSE	BKH	Fri, Aug 19, 2016	59.01	59.37	58.44	58.54
6101	NYSE	BKH	Thu, Aug 18, 2016	58.39	59.39	58.18	59.19
6100	NYSE	BKH	Wed, Aug 17, 2016	57.48	58.32	56.86	58.20
6099	NYSE	BKH	Tue, Aug 16, 2016	58.36	58.61	57.92	57.93
6098	NYSE	BKH	Mon, Aug 15, 2016	59.41	59.70	58.79	58.45
6097	NYSE	BKH	Fri, Aug 12, 2016	59.62	59.95	59.23	59.36
6096	NYSE	BKH	Thu, Aug 11, 2016	58.96	59.34	58.78	59.33
6095	NYSE	BKH	Wed, Aug 10, 2016	59.01	59.08	58.55	59.00
6094	NYSE	BKH	Tue, Aug 9, 2016	59.50	59.50	58.80	58.80
6093	NYSE	BKH	Mon, Aug 8, 2016	60.79	61.00	59.20	59.46
6092	NYSE	BKH	Fri, Aug 5, 2016	61.49	61.89	60.85	61.02
6091	NYSE	BKH	Thu, Aug 4, 2016	62.17	62.64	60.72	61.35
6090	NYSE	BKH	Wed, Aug 3, 2016	63.03	63.15	62.33	63.06
6089	NYSE	BKH	Tue, Aug 2, 2016	63.32	63.41	62.63	63.09
6088	NYSE	BKH	Mon, Aug 1, 2016	63.06	63.87	62.59	63.53
6087	NYSE	BKH	Fri, Jul 29, 2016	63.11	63.69	62.99	63.05
6086	NYSE	BKH	Thu, Jul 28, 2016	62.54	63.43	62.29	63.26
6085	NYSE	BKH	Wed, Jul 27, 2016	63.22	63.24	61.92	62.53
6084	NYSE	BKH	Tue, Jul 26, 2016	63.13	63.45	62.65	63.00
6083	NYSE	BKH	Mon, Jul 25, 2016	62.92	63.08	62.38	62.89
6082	NYSE	BKH	Fri, Jul 22, 2016	61.89	63.06	61.66	63.00
6081	NYSE	BKH	Thu, Jul 21, 2016	62.02	62.10	61.52	61.89
6080	NYSE	BKH	Wed, Jul 20, 2016	62.26	62.48	61.93	62.13
6079	NYSE	BKH	Tue, Jul 19, 2016	62.67	62.67	61.86	62.30
6078	NYSE	BKH	Mon, Jul 18, 2016	62.99	63.27	62.57	62.67
6077	NYSE	BKH	Fri, Jul 15, 2016	62.10	62.96	62.10	62.82
6076	NYSE	BKH	Thu, Jul 14, 2016	61.64	62.10	61.17	61.89
6075	NYSE	BKH	Wed, Jul 13, 2016	62.12	62.69	61.79	62.07
6074	NYSE	BKH	Tue, Jul 12, 2016	62.60	62.95	62.02	62.05
6073	NYSE	BKH	Mon, Jul 11, 2016	62.44	62.86	61.80	62.77
6072	NYSE	BKH	Fri, Jul 8, 2016	62.08	62.67	61.57	62.61
6071	NYSE	BKH	Thu, Jul 7, 2016	63.92	63.92	62.06	62.11
6070	NYSE	BKH	Wed, Jul 6, 2016	63.68	64.28	63.37	63.93
6069	NYSE	BKH	Tue, Jul 5, 2016	64.23	64.58	63.64	63.99
6068	NYSE	BKH	Fri, Jul 1, 2016	63.55	64.50	62.77	64.08
6067	NYSE	BKH	Thu, Jun 30, 2016	62.38	63.10	62.06	63.04
6066	NYSE	BKH	Wed, Jun 29, 2016	62.12	62.53	61.84	62.23
6065	NYSE	BKH	Tue, Jun 28, 2016	61.93	61.97	61.14	61.88
6064	NYSE	BKH	Mon, Jun 27, 2016	61.81	62.26	61.37	61.90
6063	NYSE	BKH	Fri, Jun 24, 2016	60.81	62.50	60.81	61.88
6062	NYSE	BKH	Thu, Jun 23, 2016	62.06	62.23	61.59	61.96
6061	NYSE	BKH	Wed, Jun 22, 2016	62.52	62.56	61.96	61.98
6060	NYSE	BKH	Tue, Jun 21, 2016	62.48	62.90	61.89	62.48
6059	NYSE	BKH	Mon, Jun 20, 2016	62.46	62.56	61.66	62.34
6058	NYSE	BKH	Fri, Jun 17, 2016	62.40	62.40	61.38	62.20
6057	NYSE	BKH	Thu, Jun 16, 2016	61.88	62.39	61.81	62.25
6056	NYSE	BKH	Wed, Jun 15, 2016	63.19	63.19	61.99	62.07
6055	NYSE	BKH	Tue, Jun 14, 2016	62.21	62.99	61.94	62.96
6054	NYSE	BKH	Mon, Jun 13, 2016	62.28	62.98	62.08	62.15
6053	NYSE	BKH	Fri, Jun 10, 2016	63.01	63.53	62.34	62.45
6052	NYSE	BKH	Thu, Jun 9, 2016	62.56	63.19	62.51	63.03
6051	NYSE	BKH	Wed, Jun 8, 2016	62.21	62.78	62.14	62.53
6050	NYSE	BKH	Tue, Jun 7, 2016	61.97	62.35	61.27	62.18
6049	NYSE	BKH	Mon, Jun 6, 2016	62.06	62.10	61.32	61.72
6048	NYSE	BKH	Fri, Jun 3, 2016	61.26	62.31	61.26	61.88
6047	NYSE	BKH	Thu, Jun 2, 2016	60.80	61.15	60.02	60.81
6046	NYSE	BKH	Wed, Jun 1, 2016	60.27	60.97	60.27	60.96
6045	NYSE	BKH	Tue, May 31, 2016	59.85	60.62	59.47	60.54
6044	NYSE	BKH	Fri, May 27, 2016	59.43	59.83	59.16	59.81
6043	NYSE	BKH	Thu, May 26, 2016	59.16	59.40	58.31	59.28
6042	NYSE	BKH	Wed, May 25, 2016	59.13	59.27	58.49	58.91
6041	NYSE	BKH	Tue, May 24, 2016	58.50	59.33	58.30	59.23
6040	NYSE	BKH	Mon, May 23, 2016	58.68	58.68	57.85	58.19
6039	NYSE	BKH	Fri, May 20, 2016	58.63	58.75	58.01	58.62
6038	NYSE	BKH	Thu, May 19, 2016	57.76	58.63	57.10	58.56
6037	NYSE	BKH	Wed, May 18, 2016	58.20	59.22	57.55	58.17
6036	NYSE	BKH	Tue, May 17, 2016	59.89	60.03	58.30	58.59
6035	NYSE	BKH	Mon, May 16, 2016	60.14	60.29	59.54	60.17
6034	NYSE	BKH	Fri, May 13, 2016	60.65	61.02	59.95	60.02
6033	NYSE	BKH	Thu, May 12, 2016	60.49	61.05	60.27	60.83
6032	NYSE	BKH	Wed, May 11, 2016	60.37	60.68	59.88	60.47
6031	NYSE	BKH	Tue, May 10, 2016	61.02	61.08	60.07	60.60
6030	NYSE	BKH	Mon, May 9, 2016	61.00	61.34	60.35	60.78
6029	NYSE	BKH	Fri, May 6, 2016	61.12	61.29	60.29	61.27
6028	NYSE	BKH	Thu, May 5, 2016	61.72	62.26	60.84	61.19
6027	NYSE	BKH	Wed, May 4, 2016	59.89	62.03	59.56	61.74
6026	NYSE	BKH	Tue, May 3, 2016	60.41	60.79	59.60	59.90
6025	NYSE	BKH	Mon, May 2, 2016	60.39	60.81	59.89	60.61
6024	NYSE	BKH	Fri, Apr 29, 2016	59.80	60.93	59.43	60.59
6023	NYSE	BKH	Thu, Apr 28, 2016	58.69	60.02	58.69	59.91
6022	NYSE	BKH	Wed, Apr 27, 2016	59.00	59.78	58.64	59.29
6021	NYSE	BKH	Tue, Apr 26, 2016	58.10	59.21	57.76	58.97
6020	NYSE	BKH	Mon, Apr 25, 2016	57.08	58.05	56.43	58.02
6019	NYSE	BKH	Fri, Apr 22, 2016	56.76	57.24	56.32	56.76
6018	NYSE	BKH	Thu, Apr 21, 2016	58.05	58.35	56.16	56.55
6017	NYSE	BKH	Wed, Apr 20, 2016	59.29	59.65	58.22	58.26
6016	NYSE	BKH	Tue, Apr 19, 2016	59.49	59.49	58.87	59.43
6015	NYSE	BKH	Mon, Apr 18, 2016	58.50	59.34	57.73	59.33
6014	NYSE	BKH	Fri, Apr 15, 2016	57.86	59.08	57.51	58.70
6013	NYSE	BKH	Thu, Apr 14, 2016	58.26	58.46	57.67	57.85
6012	NYSE	BKH	Wed, Apr 13, 2016	59.38	59.38	58.34	58.44
6011	NYSE	BKH	Tue, Apr 12, 2016	58.49	59.31	58.28	59.12
6010	NYSE	BKH	Mon, Apr 11, 2016	58.98	59.42	58.51	58.59
6009	NYSE	BKH	Fri, Apr 8, 2016	58.29	59.25	58.27	58.75
6008	NYSE	BKH	Thu, Apr 7, 2016	58.24	58.62	57.51	57.96
6007	NYSE	BKH	Wed, Apr 6, 2016	58.06	58.64	57.59	58.30
6006	NYSE	BKH	Tue, Apr 5, 2016	59.53	59.53	59.53	58.26
6005	NYSE	BKH	Mon, Apr 4, 2016	60.59	60.80	59.17	59.53
6004	NYSE	BKH	Fri, Apr 1, 2016	59.78	60.85	59.38	60.82
6003	NYSE	BKH	Thu, Mar 31, 2016	60.59	61.13	59.86	60.13
6002	NYSE	BKH	Wed, Mar 30, 2016	60.62	61.07	60.07	60.76
6001	NYSE	BKH	Tue, Mar 29, 2016	58.50	60.65	58.50	60.63
6000	NYSE	BKH	Mon, Mar 28, 2016	59.31	59.58	58.01	58.57
5999	NYSE	BKH	Thu, Mar 24, 2016	58.44	58.44	58.44	59.02
5998	NYSE	BKH	Wed, Mar 23, 2016	58.68	58.90	57.91	58.44
5997	NYSE	BKH	Tue, Mar 22, 2016	58.33	59.28	58.00	58.66
5996	NYSE	BKH	Mon, Mar 21, 2016	58.45	59.09	58.00	58.30
5995	NYSE	BKH	Fri, Mar 18, 2016	59.55	59.94	58.90	59.32
5994	NYSE	BKH	Thu, Mar 17, 2016	58.58	59.64	58.23	59.34
5993	NYSE	BKH	Wed, Mar 16, 2016	58.13	58.77	57.72	58.53
5992	NYSE	BKH	Tue, Mar 15, 2016	57.84	57.84	57.84	58.45
5991	NYSE	BKH	Mon, Mar 14, 2016	57.82	58.23	57.07	57.84
5990	NYSE	BKH	Fri, Mar 11, 2016	58.60	58.60	58.60	58.31
5989	NYSE	BKH	Thu, Mar 10, 2016	58.59	59.09	58.13	58.60
5988	NYSE	BKH	Wed, Mar 9, 2016	57.61	57.61	57.61	58.54
5987	NYSE	BKH	Tue, Mar 8, 2016	57.19	58.58	56.77	57.61
5986	NYSE	BKH	Mon, Mar 7, 2016	55.80	57.31	55.80	57.04
5985	NYSE	BKH	Fri, Mar 4, 2016	55.82	55.82	55.82	56.04
5984	NYSE	BKH	Thu, Mar 3, 2016	56.61	56.61	56.61	55.82
5983	NYSE	BKH	Wed, Mar 2, 2016	55.31	56.66	55.04	56.61
5982	NYSE	BKH	Tue, Mar 1, 2016	56.01	56.01	56.01	55.38
5981	NYSE	BKH	Mon, Feb 29, 2016	56.07	57.07	55.80	56.01
5980	NYSE	BKH	Fri, Feb 26, 2016	56.90	56.94	55.74	56.12
5979	NYSE	BKH	Thu, Feb 25, 2016	57.50	57.74	56.74	57.07
5978	NYSE	BKH	Wed, Feb 24, 2016	56.22	57.51	55.94	57.42
5977	NYSE	BKH	Tue, Feb 23, 2016	56.38	56.65	55.90	56.35
5976	NYSE	BKH	Mon, Feb 22, 2016	56.73	57.03	56.14	56.68
5975	NYSE	BKH	Fri, Feb 19, 2016	56.16	56.52	55.32	56.51
5974	NYSE	BKH	Thu, Feb 18, 2016	55.75	56.89	55.69	56.24
5973	NYSE	BKH	Wed, Feb 17, 2016	55.76	55.99	55.18	55.80
5972	NYSE	BKH	Tue, Feb 16, 2016	55.02	56.22	54.76	55.59
5971	NYSE	BKH	Fri, Feb 12, 2016	51.73	54.59	48.19	54.43
5970	NYSE	BKH	Thu, Feb 11, 2016	52.25	52.94	51.54	51.64
5969	NYSE	BKH	Wed, Feb 10, 2016	51.99	53.26	51.43	53.10
5968	NYSE	BKH	Tue, Feb 9, 2016	51.15	52.18	51.08	52.03
5967	NYSE	BKH	Mon, Feb 8, 2016	50.29	51.49	49.83	51.46
5966	NYSE	BKH	Fri, Feb 5, 2016	50.72	51.42	50.03	50.85
5965	NYSE	BKH	Thu, Feb 4, 2016	50.70	51.53	50.50	51.20
5964	NYSE	BKH	Wed, Feb 3, 2016	49.51	50.87	48.77	50.80
5963	NYSE	BKH	Tue, Feb 2, 2016	49.21	49.69	48.94	49.30
5962	NYSE	BKH	Mon, Feb 1, 2016	49.35	49.71	48.92	49.31
5961	NYSE	BKH	Fri, Jan 29, 2016	48.97	49.73	48.50	49.28
5960	NYSE	BKH	Thu, Jan 28, 2016	48.29	49.07	48.12	48.47
5959	NYSE	BKH	Wed, Jan 27, 2016	47.32	48.38	47.32	47.99
5958	NYSE	BKH	Tue, Jan 26, 2016	46.52	47.55	46.52	47.36
5957	NYSE	BKH	Mon, Jan 25, 2016	47.44	47.57	46.03	46.24
5956	NYSE	BKH	Fri, Jan 22, 2016	45.90	47.33	45.62	47.27
5955	NYSE	BKH	Thu, Jan 21, 2016	46.14	46.42	44.65	45.57
5954	NYSE	BKH	Wed, Jan 20, 2016	47.16	47.46	44.79	46.17
5953	NYSE	BKH	Tue, Jan 19, 2016	46.55	47.73	46.08	47.47
5952	NYSE	BKH	Fri, Jan 15, 2016	45.87	46.51	45.30	46.20
5951	NYSE	BKH	Thu, Jan 14, 2016	46.19	47.32	45.98	46.94
5950	NYSE	BKH	Wed, Jan 13, 2016	47.15	47.25	46.10	46.27
5949	NYSE	BKH	Tue, Jan 12, 2016	47.16	47.16	46.00	46.89
5948	NYSE	BKH	Mon, Jan 11, 2016	47.49	47.61	46.43	47.04
5947	NYSE	BKH	Fri, Jan 8, 2016	47.53	48.01	47.02	47.46
5946	NYSE	BKH	Thu, Jan 7, 2016	47.19	48.20	47.10	47.51
5945	NYSE	BKH	Wed, Jan 6, 2016	47.16	47.99	47.16	47.80
5944	NYSE	BKH	Tue, Jan 5, 2016	46.67	47.59	46.10	47.47
5943	NYSE	BKH	Mon, Jan 4, 2016	46.90	47.52	46.20	46.69
5942	NYSE	BKH	Thu, Dec 31, 2015	47.03	47.03	46.01	46.43
5941	NYSE	BKH	Wed, Dec 30, 2015	46.65	47.51	46.61	47.01
5940	NYSE	BKH	Tue, Dec 29, 2015	46.16	46.89	46.07	46.74
5939	NYSE	BKH	Mon, Dec 28, 2015	45.61	46.13	45.33	46.12
5938	NYSE	BKH	Thu, Dec 24, 2015	45.93	46.10	45.40	45.81
5937	NYSE	BKH	Wed, Dec 23, 2015	44.85	46.14	44.75	46.01
5936	NYSE	BKH	Tue, Dec 22, 2015	43.91	44.78	43.49	44.72
5935	NYSE	BKH	Mon, Dec 21, 2015	43.36	43.99	42.68	43.96
5934	NYSE	BKH	Fri, Dec 18, 2015	43.06	43.79	42.55	43.13
5933	NYSE	BKH	Thu, Dec 17, 2015	43.19	43.97	43.06	43.43
5932	NYSE	BKH	Wed, Dec 16, 2015	41.97	43.22	41.97	43.15
5931	NYSE	BKH	Tue, Dec 15, 2015	41.50	41.90	41.26	41.69
5930	NYSE	BKH	Mon, Dec 14, 2015	41.49	41.75	41.20	41.43
5929	NYSE	BKH	Fri, Dec 11, 2015	41.22	42.09	41.20	41.42
5928	NYSE	BKH	Thu, Dec 10, 2015	42.28	42.43	40.82	41.51
5927	NYSE	BKH	Wed, Dec 9, 2015	42.33	43.26	42.33	42.62
5926	NYSE	BKH	Tue, Dec 8, 2015	41.73	42.56	41.57	42.50
5925	NYSE	BKH	Mon, Dec 7, 2015	41.58	42.10	40.83	41.55
5924	NYSE	BKH	Fri, Dec 4, 2015	41.09	41.73	40.70	41.70
5923	NYSE	BKH	Thu, Dec 3, 2015	42.22	42.22	41.00	41.08
5922	NYSE	BKH	Wed, Dec 2, 2015	42.92	42.92	42.25	42.33
5921	NYSE	BKH	Tue, Dec 1, 2015	42.97	43.65	42.59	43.09
5920	NYSE	BKH	Mon, Nov 30, 2015	42.70	43.22	42.45	42.92
5919	NYSE	BKH	Fri, Nov 27, 2015	42.45	42.88	42.28	42.75
5918	NYSE	BKH	Wed, Nov 25, 2015	42.98	42.98	42.40	42.68
5917	NYSE	BKH	Tue, Nov 24, 2015	42.57	43.41	42.33	43.05
5916	NYSE	BKH	Mon, Nov 23, 2015	42.21	42.86	42.11	42.77
5915	NYSE	BKH	Fri, Nov 20, 2015	41.75	42.52	41.55	42.31
5914	NYSE	BKH	Thu, Nov 19, 2015	40.70	41.77	40.63	41.54
5913	NYSE	BKH	Wed, Nov 18, 2015	40.35	40.70	40.00	40.48
5912	NYSE	BKH	Tue, Nov 17, 2015	42.59	42.59	40.01	40.25
5911	NYSE	BKH	Mon, Nov 16, 2015	44.00	44.76	44.00	44.69
5910	NYSE	BKH	Fri, Nov 13, 2015	44.18	45.05	43.91	44.00
5909	NYSE	BKH	Thu, Nov 12, 2015	45.46	45.84	44.65	44.66
5908	NYSE	BKH	Wed, Nov 11, 2015	45.36	45.82	45.12	45.62
5907	NYSE	BKH	Tue, Nov 10, 2015	44.35	45.34	44.35	45.33
5906	NYSE	BKH	Mon, Nov 9, 2015	44.33	44.86	44.03	44.45
5905	NYSE	BKH	Fri, Nov 6, 2015	45.44	45.77	43.64	44.48
5904	NYSE	BKH	Thu, Nov 5, 2015	46.34	46.53	45.95	46.23
5903	NYSE	BKH	Wed, Nov 4, 2015	46.27	46.77	45.54	45.66
5902	NYSE	BKH	Tue, Nov 3, 2015	46.10	46.57	45.76	46.38
5901	NYSE	BKH	Mon, Nov 2, 2015	45.69	46.51	45.28	46.28
5900	NYSE	BKH	Fri, Oct 30, 2015	45.47	45.98	45.32	45.78
5899	NYSE	BKH	Thu, Oct 29, 2015	45.47	45.79	45.22	45.48
5898	NYSE	BKH	Wed, Oct 28, 2015	45.52	46.11	44.97	45.78
5897	NYSE	BKH	Tue, Oct 27, 2015	45.58	45.75	45.20	45.41
5896	NYSE	BKH	Mon, Oct 26, 2015	44.93	45.80	44.45	45.65
5895	NYSE	BKH	Fri, Oct 23, 2015	45.75	45.82	44.86	44.89
5894	NYSE	BKH	Thu, Oct 22, 2015	45.43	46.09	45.27	45.83
5893	NYSE	BKH	Wed, Oct 21, 2015	45.80	46.10	45.27	45.32
5892	NYSE	BKH	Tue, Oct 20, 2015	45.67	46.06	45.43	45.78
5891	NYSE	BKH	Mon, Oct 19, 2015	45.66	45.84	45.21	45.77
5890	NYSE	BKH	Fri, Oct 16, 2015	45.50	45.88	45.35	45.72
5889	NYSE	BKH	Thu, Oct 15, 2015	44.62	45.45	44.38	45.34
5888	NYSE	BKH	Wed, Oct 14, 2015	44.34	44.81	44.34	44.47
5887	NYSE	BKH	Tue, Oct 13, 2015	43.86	44.38	43.86	44.22
5886	NYSE	BKH	Mon, Oct 12, 2015	43.47	44.16	43.36	43.88
5885	NYSE	BKH	Fri, Oct 9, 2015	43.92	44.12	43.04	43.33
5884	NYSE	BKH	Thu, Oct 8, 2015	42.57	43.93	42.57	43.87
5883	NYSE	BKH	Wed, Oct 7, 2015	42.74	43.17	42.38	42.59
5882	NYSE	BKH	Tue, Oct 6, 2015	42.82	42.99	42.44	42.59
5881	NYSE	BKH	Mon, Oct 5, 2015	42.08	42.98	42.06	42.98
5880	NYSE	BKH	Fri, Oct 2, 2015	42.09	42.12	41.29	42.08
5879	NYSE	BKH	Thu, Oct 1, 2015	41.50	42.07	41.24	41.71
5878	NYSE	BKH	Wed, Sep 30, 2015	40.70	41.45	40.43	41.34
5877	NYSE	BKH	Tue, Sep 29, 2015	39.92	40.50	39.80	40.39
5876	NYSE	BKH	Mon, Sep 28, 2015	39.44	40.22	39.37	39.85
5875	NYSE	BKH	Fri, Sep 25, 2015	39.17	40.03	38.86	39.58
5874	NYSE	BKH	Thu, Sep 24, 2015	37.84	39.18	37.81	39.09
5873	NYSE	BKH	Wed, Sep 23, 2015	38.17	38.23	37.68	37.98
5872	NYSE	BKH	Tue, Sep 22, 2015	38.05	38.41	37.79	38.16
5871	NYSE	BKH	Mon, Sep 21, 2015	38.28	38.55	38.24	38.36
5870	NYSE	BKH	Fri, Sep 18, 2015	38.53	39.01	37.97	38.15
5869	NYSE	BKH	Thu, Sep 17, 2015	38.25	39.36	38.25	38.88
5868	NYSE	BKH	Wed, Sep 16, 2015	37.92	38.41	37.62	38.32
5867	NYSE	BKH	Tue, Sep 15, 2015	37.63	37.90	37.38	37.86
5866	NYSE	BKH	Mon, Sep 14, 2015	37.36	37.65	37.13	37.59
5865	NYSE	BKH	Fri, Sep 11, 2015	37.35	37.46	36.81	37.29
5864	NYSE	BKH	Thu, Sep 10, 2015	38.04	38.34	37.34	37.47
5863	NYSE	BKH	Wed, Sep 9, 2015	38.84	38.92	38.04	38.12
5862	NYSE	BKH	Tue, Sep 8, 2015	38.16	38.84	37.59	38.76
5861	NYSE	BKH	Fri, Sep 4, 2015	38.03	38.06	37.45	37.75
5860	NYSE	BKH	Thu, Sep 3, 2015	38.45	38.86	38.26	38.50
5859	NYSE	BKH	Wed, Sep 2, 2015	38.70	38.79	37.70	38.27
5858	NYSE	BKH	Tue, Sep 1, 2015	39.36	39.56	38.22	38.33
5857	NYSE	BKH	Mon, Aug 31, 2015	40.01	40.01	39.21	39.78
5856	NYSE	BKH	Fri, Aug 28, 2015	39.86	40.19	39.68	40.11
5855	NYSE	BKH	Thu, Aug 27, 2015	39.60	39.87	39.03	39.80
5854	NYSE	BKH	Wed, Aug 26, 2015	39.19	39.59	38.32	39.38
5853	NYSE	BKH	Tue, Aug 25, 2015	40.80	40.81	38.57	38.57
5852	NYSE	BKH	Mon, Aug 24, 2015	40.90	41.56	39.87	39.90
5851	NYSE	BKH	Fri, Aug 21, 2015	41.87	42.92	41.05	42.35
5850	NYSE	BKH	Thu, Aug 20, 2015	42.02	42.93	41.85	42.48
5849	NYSE	BKH	Wed, Aug 19, 2015	41.95	42.60	41.56	42.46
5848	NYSE	BKH	Tue, Aug 18, 2015	42.22	42.34	41.82	42.10
5847	NYSE	BKH	Mon, Aug 17, 2015	42.02	42.55	41.86	42.44
5846	NYSE	BKH	Fri, Aug 14, 2015	41.93	42.20	41.72	42.19
5845	NYSE	BKH	Thu, Aug 13, 2015	42.89	42.90	42.12	42.28
5844	NYSE	BKH	Wed, Aug 12, 2015	41.56	42.76	41.37	42.64
5843	NYSE	BKH	Tue, Aug 11, 2015	41.64	42.07	41.27	41.71
5842	NYSE	BKH	Mon, Aug 10, 2015	41.92	42.09	41.56	41.67
5841	NYSE	BKH	Fri, Aug 7, 2015	41.73	42.04	41.52	41.80
5840	NYSE	BKH	Thu, Aug 6, 2015	41.10	41.90	40.25	41.90
5839	NYSE	BKH	Wed, Aug 5, 2015	40.61	41.53	40.46	41.11
5838	NYSE	BKH	Tue, Aug 4, 2015	41.47	41.48	40.00	40.07
5837	NYSE	BKH	Mon, Aug 3, 2015	41.74	42.07	41.20	41.30
5836	NYSE	BKH	Fri, Jul 31, 2015	41.36	41.96	41.13	41.66
5835	NYSE	BKH	Thu, Jul 30, 2015	40.81	41.85	40.72	40.92
5834	NYSE	BKH	Wed, Jul 29, 2015	41.01	41.20	40.73	40.98
5833	NYSE	BKH	Tue, Jul 28, 2015	41.00	41.27	40.47	41.08
5832	NYSE	BKH	Mon, Jul 27, 2015	40.25	41.13	40.09	40.92
5831	NYSE	BKH	Fri, Jul 24, 2015	40.36	40.61	40.05	40.19
5830	NYSE	BKH	Thu, Jul 23, 2015	40.90	40.90	39.79	40.30
5829	NYSE	BKH	Wed, Jul 22, 2015	40.70	41.18	40.66	40.87
5828	NYSE	BKH	Tue, Jul 21, 2015	41.72	41.72	40.51	40.74
5827	NYSE	BKH	Mon, Jul 20, 2015	43.24	43.36	41.76	41.80
5826	NYSE	BKH	Fri, Jul 17, 2015	44.22	44.22	42.85	43.36
5825	NYSE	BKH	Thu, Jul 16, 2015	44.49	45.08	43.86	44.24
5824	NYSE	BKH	Wed, Jul 15, 2015	45.06	45.34	44.22	44.27
5823	NYSE	BKH	Tue, Jul 14, 2015	45.63	45.94	44.92	45.18
5822	NYSE	BKH	Mon, Jul 13, 2015	46.90	47.27	45.64	45.70
5821	NYSE	BKH	Fri, Jul 10, 2015	46.50	47.10	46.12	46.84
5820	NYSE	BKH	Thu, Jul 9, 2015	46.52	46.86	46.06	46.18
5819	NYSE	BKH	Wed, Jul 8, 2015	45.81	46.35	45.74	46.19
5818	NYSE	BKH	Tue, Jul 7, 2015	45.56	46.29	45.42	46.19
5817	NYSE	BKH	Mon, Jul 6, 2015	45.01	45.75	44.95	45.36
5816	NYSE	BKH	Thu, Jul 2, 2015	43.94	45.14	43.58	45.01
5815	NYSE	BKH	Wed, Jul 1, 2015	43.72	43.87	43.21	43.54
5814	NYSE	BKH	Tue, Jun 30, 2015	44.21	44.21	43.48	43.65
5813	NYSE	BKH	Mon, Jun 29, 2015	44.48	44.95	43.87	43.91
5812	NYSE	BKH	Fri, Jun 26, 2015	43.85	44.82	43.65	44.65
5811	NYSE	BKH	Thu, Jun 25, 2015	44.34	44.34	43.74	43.81
5810	NYSE	BKH	Wed, Jun 24, 2015	44.74	44.77	44.20	44.22
5809	NYSE	BKH	Tue, Jun 23, 2015	45.05	45.37	44.52	44.73
5808	NYSE	BKH	Mon, Jun 22, 2015	45.57	45.57	44.99	45.10
5807	NYSE	BKH	Fri, Jun 19, 2015	45.44	45.68	45.05	45.29
5806	NYSE	BKH	Thu, Jun 18, 2015	44.82	45.62	44.82	45.37
5805	NYSE	BKH	Wed, Jun 17, 2015	44.58	44.99	44.29	44.69
5804	NYSE	BKH	Tue, Jun 16, 2015	44.00	44.55	43.80	44.54
5803	NYSE	BKH	Mon, Jun 15, 2015	44.59	44.59	44.00	44.07
5802	NYSE	BKH	Fri, Jun 12, 2015	45.32	45.32	44.63	44.76
5801	NYSE	BKH	Thu, Jun 11, 2015	45.14	45.45	44.94	45.44
5800	NYSE	BKH	Wed, Jun 10, 2015	44.38	45.08	44.25	44.85
5799	NYSE	BKH	Tue, Jun 9, 2015	44.76	45.01	44.23	44.25
5798	NYSE	BKH	Mon, Jun 8, 2015	45.12	46.59	44.69	44.81
5797	NYSE	BKH	Fri, Jun 5, 2015	45.67	45.67	44.47	45.11
5796	NYSE	BKH	Thu, Jun 4, 2015	46.65	46.99	45.77	46.03
5795	NYSE	BKH	Wed, Jun 3, 2015	47.32	47.73	46.77	46.93
5794	NYSE	BKH	Tue, Jun 2, 2015	47.64	47.64	47.02	47.42
5793	NYSE	BKH	Mon, Jun 1, 2015	48.21	48.21	47.43	48.00
5792	NYSE	BKH	Fri, May 29, 2015	48.29	48.49	47.71	47.78
5791	NYSE	BKH	Thu, May 28, 2015	47.89	48.52	47.81	48.34
5790	NYSE	BKH	Wed, May 27, 2015	47.50	48.10	47.16	48.06
5789	NYSE	BKH	Tue, May 26, 2015	47.47	47.47	46.68	47.26
5788	NYSE	BKH	Fri, May 22, 2015	47.92	48.10	47.47	47.77
5787	NYSE	BKH	Thu, May 21, 2015	47.62	48.11	47.50	48.01
5786	NYSE	BKH	Wed, May 20, 2015	47.44	47.84	47.20	47.52
5785	NYSE	BKH	Tue, May 19, 2015	47.74	48.08	47.27	47.44
5784	NYSE	BKH	Mon, May 18, 2015	47.47	48.16	47.32	47.99
5783	NYSE	BKH	Fri, May 15, 2015	47.15	47.96	46.99	47.69
5782	NYSE	BKH	Thu, May 14, 2015	47.14	47.24	46.65	47.01
5781	NYSE	BKH	Wed, May 13, 2015	47.64	47.64	47.10	47.25
5780	NYSE	BKH	Tue, May 12, 2015	47.55	47.91	47.04	47.37
5779	NYSE	BKH	Mon, May 11, 2015	47.90	48.55	47.60	47.76
5778	NYSE	BKH	Fri, May 8, 2015	48.30	48.68	47.87	48.06
5777	NYSE	BKH	Thu, May 7, 2015	47.67	47.99	47.27	47.81
5776	NYSE	BKH	Wed, May 6, 2015	48.99	49.12	47.92	48.46
5775	NYSE	BKH	Tue, May 5, 2015	50.15	50.15	48.57	48.94
5774	NYSE	BKH	Mon, May 4, 2015	49.20	50.09	49.20	49.65
5773	NYSE	BKH	Fri, May 1, 2015	49.30	49.69	48.71	49.17
5772	NYSE	BKH	Thu, Apr 30, 2015	50.29	50.58	49.03	49.29
5771	NYSE	BKH	Wed, Apr 29, 2015	50.57	50.82	50.26	50.62
5770	NYSE	BKH	Tue, Apr 28, 2015	50.02	51.27	49.83	51.02
5769	NYSE	BKH	Mon, Apr 27, 2015	51.12	51.50	49.60	50.05
5768	NYSE	BKH	Fri, Apr 24, 2015	50.61	51.35	50.54	51.09
5767	NYSE	BKH	Thu, Apr 23, 2015	50.27	50.71	50.02	50.67
5766	NYSE	BKH	Wed, Apr 22, 2015	50.61	50.61	49.65	50.33
5765	NYSE	BKH	Tue, Apr 21, 2015	51.48	51.48	50.50	50.66
5764	NYSE	BKH	Mon, Apr 20, 2015	50.53	51.90	50.53	51.26
5763	NYSE	BKH	Fri, Apr 17, 2015	50.53	50.76	49.96	50.14
5762	NYSE	BKH	Thu, Apr 16, 2015	51.43	51.61	50.62	50.94
5761	NYSE	BKH	Wed, Apr 15, 2015	51.33	51.93	51.33	51.46
5760	NYSE	BKH	Tue, Apr 14, 2015	51.03	51.33	50.83	51.07
5759	NYSE	BKH	Mon, Apr 13, 2015	51.35	51.68	50.72	50.75
5758	NYSE	BKH	Fri, Apr 10, 2015	51.26	51.82	51.05	51.45
5757	NYSE	BKH	Thu, Apr 9, 2015	51.48	51.57	50.54	50.84
5756	NYSE	BKH	Wed, Apr 8, 2015	51.81	51.84	51.22	51.73
5755	NYSE	BKH	Tue, Apr 7, 2015	52.38	52.62	51.63	51.66
5754	NYSE	BKH	Mon, Apr 6, 2015	51.67	52.96	51.58	52.70
5753	NYSE	BKH	Thu, Apr 2, 2015	51.01	52.00	51.01	51.71
5752	NYSE	BKH	Wed, Apr 1, 2015	50.35	50.96	49.83	50.94
5751	NYSE	BKH	Tue, Mar 31, 2015	50.46	50.79	49.77	50.44
5750	NYSE	BKH	Mon, Mar 30, 2015	50.26	50.85	50.03	50.63
5749	NYSE	BKH	Fri, Mar 27, 2015	50.11	50.42	49.78	50.05
5748	NYSE	BKH	Thu, Mar 26, 2015	50.78	51.10	49.99	50.04
5747	NYSE	BKH	Wed, Mar 25, 2015	51.49	51.88	50.71	50.78
5746	NYSE	BKH	Tue, Mar 24, 2015	51.70	51.89	50.84	51.35
5745	NYSE	BKH	Mon, Mar 23, 2015	51.86	52.10	51.42	51.90
5744	NYSE	BKH	Fri, Mar 20, 2015	50.80	52.04	50.79	51.88
5743	NYSE	BKH	Thu, Mar 19, 2015	51.30	52.29	50.56	50.57
5742	NYSE	BKH	Wed, Mar 18, 2015	49.89	51.79	49.41	51.56
5741	NYSE	BKH	Tue, Mar 17, 2015	49.09	49.84	49.09	49.76
5740	NYSE	BKH	Mon, Mar 16, 2015	48.75	49.70	48.71	49.16
5739	NYSE	BKH	Fri, Mar 13, 2015	49.68	49.68	48.39	48.45
5738	NYSE	BKH	Thu, Mar 12, 2015	48.56	49.90	48.56	49.74
5737	NYSE	BKH	Wed, Mar 11, 2015	48.41	48.86	47.88	48.16
5736	NYSE	BKH	Tue, Mar 10, 2015	48.30	48.79	48.02	48.22
5735	NYSE	BKH	Mon, Mar 9, 2015	48.76	48.97	48.44	48.46
5734	NYSE	BKH	Fri, Mar 6, 2015	49.47	49.57	48.26	48.68
5733	NYSE	BKH	Thu, Mar 5, 2015	50.17	50.54	49.91	50.20
5732	NYSE	BKH	Wed, Mar 4, 2015	49.49	50.16	49.27	50.01
5731	NYSE	BKH	Tue, Mar 3, 2015	49.27	50.04	48.93	49.75
5730	NYSE	BKH	Mon, Mar 2, 2015	50.73	50.73	48.87	49.51
5729	NYSE	BKH	Fri, Feb 27, 2015	50.72	51.36	50.42	50.83
5728	NYSE	BKH	Thu, Feb 26, 2015	50.46	51.05	50.25	50.68
5727	NYSE	BKH	Wed, Feb 25, 2015	50.46	50.67	50.06	50.31
5726	NYSE	BKH	Tue, Feb 24, 2015	49.69	50.76	49.64	50.37
5725	NYSE	BKH	Mon, Feb 23, 2015	49.72	49.78	49.15	49.78
5724	NYSE	BKH	Fri, Feb 20, 2015	49.57	49.86	49.03	49.71
5723	NYSE	BKH	Thu, Feb 19, 2015	50.04	50.34	49.58	49.76
5722	NYSE	BKH	Wed, Feb 18, 2015	48.29	50.08	48.29	50.05
5721	NYSE	BKH	Tue, Feb 17, 2015	48.88	49.35	48.24	48.53
5720	NYSE	BKH	Fri, Feb 13, 2015	49.42	49.44	48.64	49.01
5719	NYSE	BKH	Thu, Feb 12, 2015	49.59	50.04	49.26	49.45
5718	NYSE	BKH	Wed, Feb 11, 2015	50.07	50.54	49.25	49.34
5717	NYSE	BKH	Tue, Feb 10, 2015	49.87	50.81	49.39	50.65
5716	NYSE	BKH	Mon, Feb 9, 2015	50.00	50.87	49.52	49.73
5715	NYSE	BKH	Fri, Feb 6, 2015	51.07	51.28	49.76	50.21
5714	NYSE	BKH	Thu, Feb 5, 2015	50.80	51.27	50.42	51.12
5713	NYSE	BKH	Wed, Feb 4, 2015	51.12	51.55	50.30	50.46
5712	NYSE	BKH	Tue, Feb 3, 2015	50.57	52.15	50.41	51.59
5711	NYSE	BKH	Mon, Feb 2, 2015	50.08	50.45	48.68	50.40
5710	NYSE	BKH	Fri, Jan 30, 2015	51.50	51.82	50.00	50.16
5709	NYSE	BKH	Thu, Jan 29, 2015	50.91	51.87	50.44	51.84
5708	NYSE	BKH	Wed, Jan 28, 2015	51.50	51.99	50.39	50.65
5707	NYSE	BKH	Tue, Jan 27, 2015	51.27	51.92	50.99	51.27
5706	NYSE	BKH	Mon, Jan 26, 2015	50.75	51.56	50.34	51.54
5705	NYSE	BKH	Fri, Jan 23, 2015	51.17	51.55	50.90	50.94
5704	NYSE	BKH	Thu, Jan 22, 2015	51.93	51.93	50.55	51.19
5703	NYSE	BKH	Wed, Jan 21, 2015	51.21	51.92	50.76	51.74
5702	NYSE	BKH	Tue, Jan 20, 2015	51.75	51.82	50.95	51.40
5701	NYSE	BKH	Fri, Jan 16, 2015	50.84	51.82	50.84	51.79
5700	NYSE	BKH	Thu, Jan 15, 2015	51.30	51.62	50.78	51.12
5699	NYSE	BKH	Wed, Jan 14, 2015	50.29	51.40	50.20	51.30
5698	NYSE	BKH	Tue, Jan 13, 2015	50.28	51.74	50.02	50.67
5697	NYSE	BKH	Mon, Jan 12, 2015	50.00	50.07	49.21	49.79
5696	NYSE	BKH	Fri, Jan 9, 2015	51.75	52.01	49.88	49.95
5695	NYSE	BKH	Thu, Jan 8, 2015	51.78	52.40	51.53	51.76
5694	NYSE	BKH	Wed, Jan 7, 2015	51.44	51.89	50.70	51.32
5693	NYSE	BKH	Tue, Jan 6, 2015	52.29	53.18	51.01	51.06
5692	NYSE	BKH	Mon, Jan 5, 2015	52.91	53.17	51.76	52.07
5691	NYSE	BKH	Fri, Jan 2, 2015	53.22	53.37	52.42	53.12
5690	NYSE	BKH	Wed, Dec 31, 2014	54.41	54.50	53.02	53.04
5689	NYSE	BKH	Tue, Dec 30, 2014	55.25	55.33	54.15	54.16
5688	NYSE	BKH	Mon, Dec 29, 2014	54.05	55.59	54.05	55.52
5687	NYSE	BKH	Fri, Dec 26, 2014	53.83	54.61	53.77	54.05
5686	NYSE	BKH	Wed, Dec 24, 2014	53.05	53.90	53.05	53.53
5685	NYSE	BKH	Tue, Dec 23, 2014	52.90	53.37	52.52	53.08
5684	NYSE	BKH	Mon, Dec 22, 2014	52.26	52.68	51.86	52.56
5683	NYSE	BKH	Fri, Dec 19, 2014	52.32	52.72	51.55	52.30
5682	NYSE	BKH	Thu, Dec 18, 2014	51.52	52.42	51.33	52.39
5681	NYSE	BKH	Wed, Dec 17, 2014	50.74	51.18	50.17	51.07
5680	NYSE	BKH	Tue, Dec 16, 2014	50.56	51.69	49.82	50.50
5679	NYSE	BKH	Mon, Dec 15, 2014	52.01	52.16	50.41	50.61
5678	NYSE	BKH	Fri, Dec 12, 2014	52.52	52.95	51.65	51.68
5677	NYSE	BKH	Thu, Dec 11, 2014	52.94	53.79	52.79	52.92
5676	NYSE	BKH	Wed, Dec 10, 2014	54.03	54.35	52.64	52.75
5675	NYSE	BKH	Tue, Dec 9, 2014	53.04	54.23	53.04	54.19
5674	NYSE	BKH	Mon, Dec 8, 2014	53.96	54.81	53.36	53.54
5673	NYSE	BKH	Fri, Dec 5, 2014	53.83	54.12	53.67	53.97
5672	NYSE	BKH	Thu, Dec 4, 2014	54.16	54.35	53.64	54.05
5671	NYSE	BKH	Wed, Dec 3, 2014	54.14	54.39	53.84	54.27
5670	NYSE	BKH	Tue, Dec 2, 2014	53.68	54.47	53.24	54.29
5669	NYSE	BKH	Mon, Dec 1, 2014	53.88	54.26	53.45	53.53
5668	NYSE	BKH	Fri, Nov 28, 2014	54.69	55.07	53.96	54.01
5667	NYSE	BKH	Wed, Nov 26, 2014	54.42	54.58	54.00	54.54
5666	NYSE	BKH	Tue, Nov 25, 2014	54.29	54.54	53.91	54.37
5665	NYSE	BKH	Mon, Nov 24, 2014	54.46	54.70	54.04	54.22
5664	NYSE	BKH	Fri, Nov 21, 2014	54.90	54.95	53.70	54.29
5663	NYSE	BKH	Thu, Nov 20, 2014	53.74	54.50	53.68	54.36
5662	NYSE	BKH	Wed, Nov 19, 2014	54.29	54.32	53.57	54.07
5661	NYSE	BKH	Tue, Nov 18, 2014	54.35	55.10	54.35	54.42
5660	NYSE	BKH	Mon, Nov 17, 2014	53.82	54.72	53.68	54.46
5659	NYSE	BKH	Fri, Nov 14, 2014	54.33	54.64	53.87	53.89
5658	NYSE	BKH	Thu, Nov 13, 2014	55.45	55.70	55.07	55.15
5657	NYSE	BKH	Wed, Nov 12, 2014	56.24	56.24	55.27	55.81
5656	NYSE	BKH	Tue, Nov 11, 2014	56.94	57.17	56.30	56.63
5655	NYSE	BKH	Mon, Nov 10, 2014	56.54	57.09	56.34	56.86
5654	NYSE	BKH	Fri, Nov 7, 2014	55.92	56.68	55.72	56.66
5653	NYSE	BKH	Thu, Nov 6, 2014	56.67	56.67	55.76	56.01
5652	NYSE	BKH	Wed, Nov 5, 2014	55.71	56.89	55.33	56.83
5651	NYSE	BKH	Tue, Nov 4, 2014	56.39	56.92	54.51	55.29
5650	NYSE	BKH	Mon, Nov 3, 2014	54.82	54.90	54.01	54.51
5649	NYSE	BKH	Fri, Oct 31, 2014	55.11	55.11	54.12	54.73
5648	NYSE	BKH	Thu, Oct 30, 2014	53.09	54.61	52.91	54.60
5647	NYSE	BKH	Wed, Oct 29, 2014	53.24	53.67	52.39	53.26
5646	NYSE	BKH	Tue, Oct 28, 2014	52.28	53.20	52.03	53.20
5645	NYSE	BKH	Mon, Oct 27, 2014	51.60	52.16	51.34	52.13
5644	NYSE	BKH	Fri, Oct 24, 2014	52.32	52.32	51.59	51.72
5643	NYSE	BKH	Thu, Oct 23, 2014	52.03	52.66	51.74	52.16
5642	NYSE	BKH	Wed, Oct 22, 2014	51.50	52.41	51.47	51.61
5641	NYSE	BKH	Tue, Oct 21, 2014	50.40	51.45	50.14	51.42
5640	NYSE	BKH	Mon, Oct 20, 2014	49.12	50.19	49.12	50.13
5639	NYSE	BKH	Fri, Oct 17, 2014	50.01	50.01	48.91	49.15
5638	NYSE	BKH	Thu, Oct 16, 2014	47.92	49.68	47.11	49.51
5637	NYSE	BKH	Wed, Oct 15, 2014	48.71	49.18	47.50	48.59
5636	NYSE	BKH	Tue, Oct 14, 2014	48.31	49.68	48.15	49.11
5635	NYSE	BKH	Mon, Oct 13, 2014	47.74	48.39	47.36	47.88
5634	NYSE	BKH	Fri, Oct 10, 2014	47.88	48.51	47.51	47.71
5633	NYSE	BKH	Thu, Oct 9, 2014	49.68	49.95	47.89	47.94
5632	NYSE	BKH	Wed, Oct 8, 2014	48.31	49.83	48.25	49.80
5631	NYSE	BKH	Tue, Oct 7, 2014	48.18	48.84	48.15	48.31
5630	NYSE	BKH	Mon, Oct 6, 2014	48.32	48.91	48.05	48.48
5629	NYSE	BKH	Fri, Oct 3, 2014	47.91	48.46	47.23	48.25
5628	NYSE	BKH	Thu, Oct 2, 2014	47.47	48.05	47.26	47.48
5627	NYSE	BKH	Wed, Oct 1, 2014	47.92	48.51	47.43	47.57
5626	NYSE	BKH	Tue, Sep 30, 2014	48.79	49.04	47.87	47.88
5625	NYSE	BKH	Mon, Sep 29, 2014	48.36	48.85	48.21	48.76
5624	NYSE	BKH	Fri, Sep 26, 2014	48.98	49.12	48.34	48.74
5623	NYSE	BKH	Thu, Sep 25, 2014	49.39	49.66	48.76	48.95
5622	NYSE	BKH	Wed, Sep 24, 2014	49.57	49.79	48.78	49.51
5621	NYSE	BKH	Tue, Sep 23, 2014	50.00	50.32	49.60	49.66
5620	NYSE	BKH	Mon, Sep 22, 2014	50.51	50.70	50.25	50.29
5619	NYSE	BKH	Fri, Sep 19, 2014	51.07	51.41	50.54	50.81
5618	NYSE	BKH	Thu, Sep 18, 2014	51.19	51.33	50.93	51.00
5617	NYSE	BKH	Wed, Sep 17, 2014	51.19	51.47	50.90	50.94
5616	NYSE	BKH	Tue, Sep 16, 2014	51.19	51.69	50.97	51.03
5615	NYSE	BKH	Mon, Sep 15, 2014	51.22	51.61	50.80	51.20
5614	NYSE	BKH	Fri, Sep 12, 2014	52.57	52.57	51.10	51.20
5613	NYSE	BKH	Thu, Sep 11, 2014	51.90	52.85	51.90	52.74
5612	NYSE	BKH	Wed, Sep 10, 2014	52.57	52.57	51.84	52.19
5611	NYSE	BKH	Tue, Sep 9, 2014	53.22	53.26	52.55	52.59
5610	NYSE	BKH	Mon, Sep 8, 2014	53.77	53.77	53.11	53.39
5609	NYSE	BKH	Fri, Sep 5, 2014	52.95	53.79	52.82	53.77
5608	NYSE	BKH	Thu, Sep 4, 2014	53.21	53.48	52.76	53.05
5607	NYSE	BKH	Wed, Sep 3, 2014	53.44	53.69	53.04	53.17
5606	NYSE	BKH	Tue, Sep 2, 2014	53.73	54.05	52.92	53.23
5605	NYSE	BKH	Fri, Aug 29, 2014	53.54	53.89	53.20	53.73
5604	NYSE	BKH	Thu, Aug 28, 2014	53.26	53.65	53.23	53.36
5603	NYSE	BKH	Wed, Aug 27, 2014	53.11	53.50	53.11	53.44
5602	NYSE	BKH	Tue, Aug 26, 2014	53.41	53.62	52.94	53.02
5601	NYSE	BKH	Mon, Aug 25, 2014	53.11	53.45	52.95	53.37
5600	NYSE	BKH	Fri, Aug 22, 2014	53.09	53.35	52.35	52.99
5599	NYSE	BKH	Thu, Aug 21, 2014	52.82	53.26	52.69	53.05
5598	NYSE	BKH	Wed, Aug 20, 2014	52.64	52.85	52.31	52.74
5597	NYSE	BKH	Tue, Aug 19, 2014	52.04	52.89	52.03	52.87
5596	NYSE	BKH	Mon, Aug 18, 2014	52.50	52.50	51.78	52.03
5595	NYSE	BKH	Fri, Aug 15, 2014	52.49	52.90	51.70	52.16
5594	NYSE	BKH	Thu, Aug 14, 2014	51.76	52.16	51.71	52.13
5593	NYSE	BKH	Wed, Aug 13, 2014	51.49	52.09	51.38	51.76
5592	NYSE	BKH	Tue, Aug 12, 2014	52.29	52.43	51.55	51.80
5591	NYSE	BKH	Mon, Aug 11, 2014	52.75	52.99	52.12	52.40
5590	NYSE	BKH	Fri, Aug 8, 2014	51.77	52.64	51.58	52.54
5589	NYSE	BKH	Thu, Aug 7, 2014	51.33	51.66	50.87	51.58
5588	NYSE	BKH	Wed, Aug 6, 2014	51.51	51.74	50.86	51.16
5587	NYSE	BKH	Tue, Aug 5, 2014	52.78	53.18	52.03	52.05
5586	NYSE	BKH	Mon, Aug 4, 2014	52.73	53.01	50.39	52.91
5585	NYSE	BKH	Fri, Aug 1, 2014	52.65	53.29	52.41	52.66
5584	NYSE	BKH	Thu, Jul 31, 2014	54.00	54.12	52.70	52.71
5583	NYSE	BKH	Wed, Jul 30, 2014	56.15	56.15	54.41	54.42
5582	NYSE	BKH	Tue, Jul 29, 2014	56.44	56.50	55.78	55.89
5581	NYSE	BKH	Mon, Jul 28, 2014	55.20	56.37	55.15	56.32
5580	NYSE	BKH	Fri, Jul 25, 2014	55.65	55.93	55.05	55.12
5579	NYSE	BKH	Thu, Jul 24, 2014	56.20	56.31	55.72	55.88
5578	NYSE	BKH	Wed, Jul 23, 2014	56.69	56.79	56.04	56.06
5577	NYSE	BKH	Tue, Jul 22, 2014	57.38	57.54	56.62	56.64
5576	NYSE	BKH	Mon, Jul 21, 2014	56.93	57.26	56.51	57.03
5575	NYSE	BKH	Fri, Jul 18, 2014	56.06	57.45	55.99	57.31
5574	NYSE	BKH	Thu, Jul 17, 2014	56.89	57.10	56.18	56.20
5573	NYSE	BKH	Wed, Jul 16, 2014	57.32	57.45	56.42	57.16
5572	NYSE	BKH	Tue, Jul 15, 2014	57.12	57.42	56.61	57.13
5571	NYSE	BKH	Mon, Jul 14, 2014	57.77	57.80	57.24	57.33
5570	NYSE	BKH	Fri, Jul 11, 2014	58.48	58.84	57.64	57.66
5569	NYSE	BKH	Thu, Jul 10, 2014	57.84	58.92	57.74	58.68
5568	NYSE	BKH	Wed, Jul 9, 2014	58.97	59.09	58.28	58.54
5567	NYSE	BKH	Tue, Jul 8, 2014	58.63	59.10	58.55	58.97
5566	NYSE	BKH	Mon, Jul 7, 2014	58.61	59.28	58.58	58.84
5565	NYSE	BKH	Thu, Jul 3, 2014	59.73	59.73	58.89	58.97
5564	NYSE	BKH	Wed, Jul 2, 2014	60.82	61.01	59.54	59.72
5563	NYSE	BKH	Tue, Jul 1, 2014	61.53	62.13	61.00	61.09
5562	NYSE	BKH	Mon, Jun 30, 2014	60.37	61.41	60.01	61.39
5561	NYSE	BKH	Fri, Jun 27, 2014	59.77	60.61	59.77	60.51
5560	NYSE	BKH	Thu, Jun 26, 2014	60.28	60.28	59.95	60.13
5559	NYSE	BKH	Wed, Jun 25, 2014	59.68	60.30	59.66	60.29
5558	NYSE	BKH	Tue, Jun 24, 2014	59.80	60.49	59.62	59.90
5557	NYSE	BKH	Mon, Jun 23, 2014	60.24	60.62	59.65	60.07
5556	NYSE	BKH	Fri, Jun 20, 2014	60.15	60.58	60.15	60.28
5555	NYSE	BKH	Thu, Jun 19, 2014	60.50	61.00	60.32	60.53
5554	NYSE	BKH	Wed, Jun 18, 2014	59.11	60.28	59.11	60.25
5553	NYSE	BKH	Tue, Jun 17, 2014	58.86	59.97	58.55	59.19
5552	NYSE	BKH	Mon, Jun 16, 2014	58.45	59.32	58.45	59.03
5551	NYSE	BKH	Fri, Jun 13, 2014	58.21	58.45	57.44	58.40
5550	NYSE	BKH	Thu, Jun 12, 2014	57.90	58.16	57.22	58.11
5549	NYSE	BKH	Wed, Jun 11, 2014	58.57	58.83	57.95	58.00
5548	NYSE	BKH	Tue, Jun 10, 2014	58.81	58.99	58.37	58.75
5547	NYSE	BKH	Mon, Jun 9, 2014	58.94	59.36	58.82	58.97
5546	NYSE	BKH	Fri, Jun 6, 2014	59.46	59.70	58.92	59.12
5545	NYSE	BKH	Thu, Jun 5, 2014	57.91	59.22	57.80	59.18
5544	NYSE	BKH	Wed, Jun 4, 2014	57.32	57.94	57.27	57.76
5543	NYSE	BKH	Tue, Jun 3, 2014	57.32	57.74	57.13	57.39
5542	NYSE	BKH	Mon, Jun 2, 2014	57.73	57.78	57.02	57.38
5541	NYSE	BKH	Fri, May 30, 2014	57.39	57.77	57.19	57.67
5540	NYSE	BKH	Thu, May 29, 2014	57.41	57.42	56.90	57.20
5539	NYSE	BKH	Wed, May 28, 2014	57.46	57.65	57.12	57.41
5538	NYSE	BKH	Tue, May 27, 2014	56.93	57.53	56.91	57.46
5537	NYSE	BKH	Fri, May 23, 2014	56.46	56.87	55.95	56.73
5536	NYSE	BKH	Thu, May 22, 2014	56.19	56.72	55.99	56.43
5535	NYSE	BKH	Wed, May 21, 2014	55.98	56.00	55.28	55.95
5534	NYSE	BKH	Tue, May 20, 2014	55.86	56.04	55.53	55.87
5533	NYSE	BKH	Mon, May 19, 2014	56.13	56.56	55.70	56.04
5532	NYSE	BKH	Fri, May 16, 2014	55.99	56.26	55.51	56.25
5531	NYSE	BKH	Thu, May 15, 2014	55.72	56.12	55.23	56.01
5530	NYSE	BKH	Wed, May 14, 2014	56.06	56.55	55.76	56.06
5529	NYSE	BKH	Tue, May 13, 2014	57.11	57.47	56.52	56.54
5528	NYSE	BKH	Mon, May 12, 2014	56.97	57.50	56.76	57.22
5527	NYSE	BKH	Fri, May 9, 2014	57.37	57.70	56.76	56.93
5526	NYSE	BKH	Thu, May 8, 2014	58.75	59.27	57.62	57.64
5525	NYSE	BKH	Wed, May 7, 2014	58.03	58.69	57.69	58.64
5524	NYSE	BKH	Tue, May 6, 2014	58.54	58.66	57.80	57.84
5523	NYSE	BKH	Mon, May 5, 2014	57.56	58.64	57.18	58.55
5522	NYSE	BKH	Fri, May 2, 2014	59.30	60.38	57.65	57.83
5521	NYSE	BKH	Thu, May 1, 2014	57.89	58.15	57.12	57.81
5520	NYSE	BKH	Wed, Apr 30, 2014	57.67	57.83	57.19	57.75
5519	NYSE	BKH	Tue, Apr 29, 2014	58.56	58.85	57.52	57.60
5518	NYSE	BKH	Mon, Apr 28, 2014	58.45	58.65	57.60	58.25
5517	NYSE	BKH	Fri, Apr 25, 2014	58.32	58.63	57.95	58.25
5516	NYSE	BKH	Thu, Apr 24, 2014	58.38	58.72	57.99	58.48
5515	NYSE	BKH	Wed, Apr 23, 2014	58.18	59.08	58.05	58.11
5514	NYSE	BKH	Tue, Apr 22, 2014	58.00	58.27	57.63	58.21
5513	NYSE	BKH	Mon, Apr 21, 2014	58.11	58.17	57.39	57.79
5512	NYSE	BKH	Thu, Apr 17, 2014	58.64	59.07	58.01	58.09
5511	NYSE	BKH	Wed, Apr 16, 2014	58.63	58.85	58.44	58.77
5510	NYSE	BKH	Tue, Apr 15, 2014	58.07	58.63	57.63	58.42
5509	NYSE	BKH	Mon, Apr 14, 2014	57.42	58.66	57.14	57.91
5508	NYSE	BKH	Fri, Apr 11, 2014	56.83	57.60	56.46	56.69
5507	NYSE	BKH	Thu, Apr 10, 2014	57.93	58.49	57.00	57.33
5506	NYSE	BKH	Wed, Apr 9, 2014	57.57	57.90	57.18	57.90
5505	NYSE	BKH	Tue, Apr 8, 2014	56.75	57.69	56.74	57.46
5504	NYSE	BKH	Mon, Apr 7, 2014	57.36	57.45	56.76	56.79
5503	NYSE	BKH	Fri, Apr 4, 2014	58.41	59.01	57.28	57.46
5502	NYSE	BKH	Thu, Apr 3, 2014	58.20	58.46	57.84	57.95
5501	NYSE	BKH	Wed, Apr 2, 2014	58.05	58.35	57.64	58.05
5500	NYSE	BKH	Tue, Apr 1, 2014	57.61	57.97	57.13	57.93
5499	NYSE	BKH	Mon, Mar 31, 2014	56.76	57.87	56.40	57.65
5498	NYSE	BKH	Fri, Mar 28, 2014	56.45	56.86	56.21	56.38
5497	NYSE	BKH	Thu, Mar 27, 2014	56.35	56.59	56.04	56.51
5496	NYSE	BKH	Wed, Mar 26, 2014	57.13	57.13	56.24	56.28
5495	NYSE	BKH	Tue, Mar 25, 2014	56.44	56.81	56.04	56.69
5494	NYSE	BKH	Mon, Mar 24, 2014	56.76	56.97	56.02	56.19
5493	NYSE	BKH	Fri, Mar 21, 2014	57.26	57.98	56.39	56.45
5492	NYSE	BKH	Thu, Mar 20, 2014	57.38	57.38	56.77	57.01
5491	NYSE	BKH	Wed, Mar 19, 2014	58.70	58.70	57.23	57.44
5490	NYSE	BKH	Tue, Mar 18, 2014	58.34	59.05	58.21	58.68
5489	NYSE	BKH	Mon, Mar 17, 2014	58.19	58.70	57.99	58.34
5488	NYSE	BKH	Fri, Mar 14, 2014	56.98	58.28	56.96	58.00
5487	NYSE	BKH	Thu, Mar 13, 2014	56.34	57.03	56.20	57.01
5486	NYSE	BKH	Wed, Mar 12, 2014	55.55	56.38	55.51	56.35
5485	NYSE	BKH	Tue, Mar 11, 2014	55.90	56.12	55.20	55.70
5484	NYSE	BKH	Mon, Mar 10, 2014	56.21	56.34	55.76	55.90
5483	NYSE	BKH	Fri, Mar 7, 2014	56.84	56.94	55.69	56.20
5482	NYSE	BKH	Thu, Mar 6, 2014	57.17	57.48	56.63	56.73
5481	NYSE	BKH	Wed, Mar 5, 2014	57.38	57.55	56.88	57.18
5480	NYSE	BKH	Tue, Mar 4, 2014	57.05	57.88	57.05	57.54
5479	NYSE	BKH	Mon, Mar 3, 2014	56.46	56.70	56.08	56.36
5478	NYSE	BKH	Fri, Feb 28, 2014	56.29	57.13	56.29	56.71
5477	NYSE	BKH	Thu, Feb 27, 2014	56.11	56.56	56.07	56.33
5476	NYSE	BKH	Wed, Feb 26, 2014	56.64	56.94	56.05	56.22
5475	NYSE	BKH	Tue, Feb 25, 2014	56.39	56.77	56.13	56.36
5474	NYSE	BKH	Mon, Feb 24, 2014	56.59	57.11	56.34	56.36
5473	NYSE	BKH	Fri, Feb 21, 2014	57.03	57.03	56.42	56.53
5472	NYSE	BKH	Thu, Feb 20, 2014	56.05	56.89	55.90	56.73
5471	NYSE	BKH	Wed, Feb 19, 2014	56.37	57.36	55.78	55.90
5470	NYSE	BKH	Tue, Feb 18, 2014	55.88	56.80	55.74	56.50
5469	NYSE	BKH	Fri, Feb 14, 2014	55.25	55.85	54.80	55.83
5468	NYSE	BKH	Thu, Feb 13, 2014	53.93	55.24	53.93	55.23
5467	NYSE	BKH	Wed, Feb 12, 2014	54.67	54.84	53.75	54.23
5466	NYSE	BKH	Tue, Feb 11, 2014	54.15	55.27	54.12	55.15
5465	NYSE	BKH	Mon, Feb 10, 2014	54.06	54.38	53.62	54.29
5464	NYSE	BKH	Fri, Feb 7, 2014	53.21	53.91	52.69	53.86
5463	NYSE	BKH	Thu, Feb 6, 2014	52.61	53.46	52.42	53.11
5462	NYSE	BKH	Wed, Feb 5, 2014	52.56	52.82	51.95	52.62
5461	NYSE	BKH	Tue, Feb 4, 2014	53.13	53.13	52.37	52.69
5460	NYSE	BKH	Mon, Feb 3, 2014	54.90	55.00	52.82	53.04
5459	NYSE	BKH	Fri, Jan 31, 2014	53.57	55.00	53.57	54.83
5458	NYSE	BKH	Thu, Jan 30, 2014	53.77	54.87	53.54	54.63
5457	NYSE	BKH	Wed, Jan 29, 2014	52.99	53.74	52.55	53.36
5456	NYSE	BKH	Tue, Jan 28, 2014	53.20	53.40	52.89	53.31
5455	NYSE	BKH	Mon, Jan 27, 2014	61.52	57.58	53.02	53.21
5454	NYSE	BKH	Fri, Jan 24, 2014	53.85	54.13	53.09	53.32
5453	NYSE	BKH	Thu, Jan 23, 2014	54.21	54.55	53.81	54.30
5452	NYSE	BKH	Wed, Jan 22, 2014	54.19	54.57	53.82	54.50
5451	NYSE	BKH	Tue, Jan 21, 2014	54.10	54.21	53.09	54.20
5450	NYSE	BKH	Fri, Jan 17, 2014	54.31	54.40	53.50	53.62
5449	NYSE	BKH	Thu, Jan 16, 2014	54.05	54.62	53.65	54.42
5448	NYSE	BKH	Wed, Jan 15, 2014	54.22	54.69	53.72	54.00
5447	NYSE	BKH	Tue, Jan 14, 2014	53.21	54.25	53.13	53.97
5446	NYSE	BKH	Mon, Jan 13, 2014	54.07	54.74	52.85	53.02
5445	NYSE	BKH	Fri, Jan 10, 2014	53.10	54.32	53.10	53.92
5444	NYSE	BKH	Thu, Jan 9, 2014	53.00	53.06	52.21	53.06
5443	NYSE	BKH	Wed, Jan 8, 2014	52.68	52.90	52.01	52.69
5442	NYSE	BKH	Tue, Jan 7, 2014	51.98	52.80	51.61	52.62
5441	NYSE	BKH	Mon, Jan 6, 2014	51.86	52.19	51.28	51.95
5440	NYSE	BKH	Fri, Jan 3, 2014	51.57	52.05	51.09	51.77
5439	NYSE	BKH	Thu, Jan 2, 2014	52.41	52.55	51.25	51.56
5438	NYSE	BKH	Tue, Dec 31, 2013	52.67	53.01	52.31	52.51
5437	NYSE	BKH	Mon, Dec 30, 2013	52.19	52.61	52.19	52.41
5436	NYSE	BKH	Fri, Dec 27, 2013	52.62	52.65	52.15	52.35
5435	NYSE	BKH	Thu, Dec 26, 2013	52.86	53.14	52.25	52.38
5434	NYSE	BKH	Tue, Dec 24, 2013	52.15	52.90	52.15	52.75
5433	NYSE	BKH	Mon, Dec 23, 2013	52.25	52.59	51.83	52.24
5432	NYSE	BKH	Fri, Dec 20, 2013	50.90	52.43	50.85	51.90
5431	NYSE	BKH	Thu, Dec 19, 2013	51.86	51.86	50.87	50.97
5430	NYSE	BKH	Wed, Dec 18, 2013	51.26	51.94	50.62	51.91
5429	NYSE	BKH	Tue, Dec 17, 2013	51.13	51.49	50.82	51.08
5428	NYSE	BKH	Mon, Dec 16, 2013	50.32	51.23	49.82	51.16
5427	NYSE	BKH	Fri, Dec 13, 2013	49.75	50.35	49.41	50.22
5426	NYSE	BKH	Thu, Dec 12, 2013	49.68	49.96	49.39	49.67
5425	NYSE	BKH	Wed, Dec 11, 2013	50.81	50.81	49.50	49.71
5424	NYSE	BKH	Tue, Dec 10, 2013	51.67	51.70	50.61	50.71
5423	NYSE	BKH	Mon, Dec 9, 2013	52.00	52.07	51.32	51.66
5422	NYSE	BKH	Fri, Dec 6, 2013	51.24	52.11	51.22	51.90
5421	NYSE	BKH	Thu, Dec 5, 2013	50.85	51.22	50.50	50.89
5420	NYSE	BKH	Wed, Dec 4, 2013	50.16	51.06	50.16	50.93
5419	NYSE	BKH	Tue, Dec 3, 2013	49.85	50.60	49.84	50.50
5418	NYSE	BKH	Mon, Dec 2, 2013	50.39	51.18	49.92	50.07
5417	NYSE	BKH	Fri, Nov 29, 2013	50.55	50.80	50.25	50.27
5416	NYSE	BKH	Wed, Nov 27, 2013	50.67	50.84	50.26	50.47
5415	NYSE	BKH	Tue, Nov 26, 2013	51.21	51.23	50.58	50.73
5414	NYSE	BKH	Mon, Nov 25, 2013	51.66	52.08	51.00	51.08
5413	NYSE	BKH	Fri, Nov 22, 2013	51.29	51.87	51.16	51.59
5412	NYSE	BKH	Thu, Nov 21, 2013	51.28	51.88	50.90	51.40
5411	NYSE	BKH	Wed, Nov 20, 2013	51.42	51.62	50.77	50.96
5410	NYSE	BKH	Tue, Nov 19, 2013	50.95	51.40	50.63	51.21
5409	NYSE	BKH	Mon, Nov 18, 2013	51.59	51.59	50.89	50.96
5408	NYSE	BKH	Fri, Nov 15, 2013	51.06	51.48	50.60	51.34
5407	NYSE	BKH	Thu, Nov 14, 2013	51.35	51.72	51.00	51.11
5406	NYSE	BKH	Wed, Nov 13, 2013	50.62	51.26	50.16	51.22
5405	NYSE	BKH	Tue, Nov 12, 2013	51.79	51.97	51.22	51.52
5404	NYSE	BKH	Mon, Nov 11, 2013	51.06	52.19	51.00	52.03
5403	NYSE	BKH	Fri, Nov 8, 2013	50.72	51.41	50.20	51.08
5402	NYSE	BKH	Thu, Nov 7, 2013	52.23	52.40	50.61	50.81
5401	NYSE	BKH	Wed, Nov 6, 2013	52.39	52.54	51.86	52.14
5400	NYSE	BKH	Tue, Nov 5, 2013	54.09	54.83	52.00	52.20
5399	NYSE	BKH	Mon, Nov 4, 2013	50.95	51.44	50.35	51.31
5398	NYSE	BKH	Fri, Nov 1, 2013	50.71	51.19	50.33	50.71
5397	NYSE	BKH	Thu, Oct 31, 2013	51.39	51.49	50.47	50.72
5396	NYSE	BKH	Wed, Oct 30, 2013	52.05	52.40	51.33	51.34
5395	NYSE	BKH	Tue, Oct 29, 2013	52.22	52.33	51.56	52.09
5394	NYSE	BKH	Mon, Oct 28, 2013	51.90	52.25	51.62	51.99
5393	NYSE	BKH	Fri, Oct 25, 2013	51.49	52.00	51.13	52.00
5392	NYSE	BKH	Thu, Oct 24, 2013	51.65	51.68	51.19	51.27
5391	NYSE	BKH	Wed, Oct 23, 2013	51.18	51.74	51.13	51.43
5390	NYSE	BKH	Tue, Oct 22, 2013	50.94	51.64	50.72	51.34
5389	NYSE	BKH	Mon, Oct 21, 2013	50.84	50.97	50.52	50.73
5388	NYSE	BKH	Fri, Oct 18, 2013	50.18	50.84	49.85	50.81
5387	NYSE	BKH	Thu, Oct 17, 2013	48.55	49.85	48.27	49.77
5386	NYSE	BKH	Wed, Oct 16, 2013	48.51	48.65	48.05	48.62
5385	NYSE	BKH	Tue, Oct 15, 2013	48.70	48.80	48.07	48.08
5384	NYSE	BKH	Mon, Oct 14, 2013	48.97	48.97	48.02	48.71
5383	NYSE	BKH	Fri, Oct 11, 2013	48.49	49.25	48.24	49.12
5382	NYSE	BKH	Thu, Oct 10, 2013	48.11	49.04	47.68	48.75
5381	NYSE	BKH	Wed, Oct 9, 2013	47.32	48.03	47.00	47.56
5380	NYSE	BKH	Tue, Oct 8, 2013	47.57	47.80	47.08	47.10
5379	NYSE	BKH	Mon, Oct 7, 2013	47.89	48.07	47.57	47.62
5378	NYSE	BKH	Fri, Oct 4, 2013	48.98	49.00	48.46	48.51
5377	NYSE	BKH	Thu, Oct 3, 2013	49.54	49.73	48.85	49.06
5376	NYSE	BKH	Wed, Oct 2, 2013	49.77	49.88	49.12	49.57
5375	NYSE	BKH	Tue, Oct 1, 2013	49.33	50.32	49.30	50.06
5374	NYSE	BKH	Mon, Sep 30, 2013	49.27	49.92	49.25	49.86
5373	NYSE	BKH	Fri, Sep 27, 2013	49.58	50.11	49.58	49.74
5372	NYSE	BKH	Thu, Sep 26, 2013	49.42	50.15	49.42	50.06
5371	NYSE	BKH	Wed, Sep 25, 2013	49.60	49.70	49.10	49.40
5370	NYSE	BKH	Tue, Sep 24, 2013	50.06	50.15	49.49	49.61
5369	NYSE	BKH	Mon, Sep 23, 2013	48.93	50.32	48.75	49.91
5368	NYSE	BKH	Fri, Sep 20, 2013	49.83	49.88	49.02	49.04
5367	NYSE	BKH	Thu, Sep 19, 2013	49.88	50.36	49.39	49.58
5366	NYSE	BKH	Wed, Sep 18, 2013	48.16	49.70	48.02	49.60
5365	NYSE	BKH	Tue, Sep 17, 2013	47.91	48.13	47.71	48.10
5364	NYSE	BKH	Mon, Sep 16, 2013	48.96	49.00	47.65	47.83
5363	NYSE	BKH	Fri, Sep 13, 2013	48.20	48.38	47.98	48.24
5362	NYSE	BKH	Thu, Sep 12, 2013	48.25	48.43	47.83	47.93
5361	NYSE	BKH	Wed, Sep 11, 2013	48.49	48.49	47.92	48.22
5360	NYSE	BKH	Tue, Sep 10, 2013	48.11	48.44	47.84	48.42
5359	NYSE	BKH	Mon, Sep 9, 2013	46.98	47.85	46.87	47.84
5358	NYSE	BKH	Fri, Sep 6, 2013	47.27	47.58	46.62	46.89
5357	NYSE	BKH	Thu, Sep 5, 2013	47.63	47.80	46.93	47.06
5356	NYSE	BKH	Wed, Sep 4, 2013	47.18	47.85	46.76	47.63
5355	NYSE	BKH	Tue, Sep 3, 2013	48.34	48.72	46.64	47.18
5354	NYSE	BKH	Fri, Aug 30, 2013	48.73	49.02	47.85	48.02
5353	NYSE	BKH	Thu, Aug 29, 2013	48.60	49.22	48.45	48.81
5352	NYSE	BKH	Wed, Aug 28, 2013	48.18	48.80	47.90	48.57
5351	NYSE	BKH	Tue, Aug 27, 2013	48.67	49.08	48.15	48.25
5350	NYSE	BKH	Mon, Aug 26, 2013	49.62	49.62	48.91	49.13
5349	NYSE	BKH	Fri, Aug 23, 2013	49.45	49.60	49.04	49.48
5348	NYSE	BKH	Thu, Aug 22, 2013	49.73	49.79	49.14	49.40
5347	NYSE	BKH	Wed, Aug 21, 2013	50.14	50.31	49.65	49.68
5346	NYSE	BKH	Tue, Aug 20, 2013	50.00	50.84	50.00	50.42
5345	NYSE	BKH	Mon, Aug 19, 2013	50.59	50.75	49.90	49.92
5344	NYSE	BKH	Fri, Aug 16, 2013	50.58	50.78	49.75	50.59
5343	NYSE	BKH	Thu, Aug 15, 2013	50.94	51.30	50.82	50.83
5342	NYSE	BKH	Wed, Aug 14, 2013	52.40	52.40	51.41	51.62
5341	NYSE	BKH	Tue, Aug 13, 2013	53.25	53.25	52.54	52.73
5340	NYSE	BKH	Mon, Aug 12, 2013	52.49	53.19	52.28	53.18
5339	NYSE	BKH	Fri, Aug 9, 2013	53.21	53.21	52.63	52.79
5338	NYSE	BKH	Thu, Aug 8, 2013	53.72	53.76	52.60	53.22
5337	NYSE	BKH	Wed, Aug 7, 2013	53.78	53.96	53.30	53.46
5336	NYSE	BKH	Tue, Aug 6, 2013	54.34	54.57	53.64	54.04
5335	NYSE	BKH	Mon, Aug 5, 2013	54.64	54.89	54.29	54.61
5334	NYSE	BKH	Fri, Aug 2, 2013	54.69	55.04	54.40	54.80
5333	NYSE	BKH	Thu, Aug 1, 2013	53.50	55.09	53.47	54.82
5332	NYSE	BKH	Wed, Jul 31, 2013	52.85	53.54	52.61	53.05
5331	NYSE	BKH	Tue, Jul 30, 2013	52.73	53.00	52.35	52.76
5330	NYSE	BKH	Mon, Jul 29, 2013	52.67	52.89	52.27	52.52
5329	NYSE	BKH	Fri, Jul 26, 2013	52.24	52.79	52.02	52.71
5328	NYSE	BKH	Thu, Jul 25, 2013	51.72	52.52	51.72	52.51
5327	NYSE	BKH	Wed, Jul 24, 2013	52.81	52.81	51.16	51.70
5326	NYSE	BKH	Tue, Jul 23, 2013	53.04	53.31	52.14	52.65
5325	NYSE	BKH	Mon, Jul 22, 2013	53.04	53.49	52.67	52.85
5324	NYSE	BKH	Fri, Jul 19, 2013	53.49	53.69	53.00	53.04
5323	NYSE	BKH	Thu, Jul 18, 2013	52.80	54.12	52.60	53.80
5322	NYSE	BKH	Wed, Jul 17, 2013	53.24	53.63	52.84	53.25
5321	NYSE	BKH	Tue, Jul 16, 2013	53.98	54.00	52.80	52.87
5320	NYSE	BKH	Mon, Jul 15, 2013	52.82	53.97	52.56	53.91
5319	NYSE	BKH	Fri, Jul 12, 2013	52.63	52.85	52.45	52.66
5318	NYSE	BKH	Thu, Jul 11, 2013	51.80	52.66	51.56	52.63
5317	NYSE	BKH	Wed, Jul 10, 2013	50.72	51.31	50.61	51.18
5316	NYSE	BKH	Tue, Jul 9, 2013	49.95	50.90	49.65	50.87
5315	NYSE	BKH	Mon, Jul 8, 2013	49.88	50.11	49.43	49.72
5314	NYSE	BKH	Fri, Jul 5, 2013	49.60	49.68	48.50	49.65
5313	NYSE	BKH	Wed, Jul 3, 2013	48.61	49.30	48.48	49.04
5312	NYSE	BKH	Tue, Jul 2, 2013	48.58	49.37	48.37	48.68
5311	NYSE	BKH	Mon, Jul 1, 2013	48.62	49.01	48.21	48.51
5310	NYSE	BKH	Fri, Jun 28, 2013	48.58	49.23	48.27	48.75
5309	NYSE	BKH	Thu, Jun 27, 2013	48.11	48.71	48.06	48.64
5308	NYSE	BKH	Wed, Jun 26, 2013	47.42	47.91	47.02	47.74
5307	NYSE	BKH	Tue, Jun 25, 2013	46.95	47.08	46.35	47.05
5306	NYSE	BKH	Mon, Jun 24, 2013	45.67	46.63	45.39	46.51
5305	NYSE	BKH	Fri, Jun 21, 2013	46.03	46.43	45.07	46.14
5304	NYSE	BKH	Thu, Jun 20, 2013	47.17	47.25	45.71	45.89
5303	NYSE	BKH	Wed, Jun 19, 2013	49.04	49.04	47.81	47.86
5302	NYSE	BKH	Tue, Jun 18, 2013	48.33	49.35	48.07	49.19
5301	NYSE	BKH	Mon, Jun 17, 2013	48.51	48.81	47.81	48.21
5300	NYSE	BKH	Fri, Jun 14, 2013	48.05	48.50	47.93	48.12
5299	NYSE	BKH	Thu, Jun 13, 2013	47.23	48.32	47.04	48.21
5298	NYSE	BKH	Wed, Jun 12, 2013	48.57	48.57	47.29	47.36
5297	NYSE	BKH	Tue, Jun 11, 2013	48.02	48.72	47.62	48.13
5296	NYSE	BKH	Mon, Jun 10, 2013	48.22	48.52	47.79	48.52
5295	NYSE	BKH	Fri, Jun 7, 2013	47.80	48.37	47.51	48.20
5294	NYSE	BKH	Thu, Jun 6, 2013	46.95	47.60	46.74	47.59
5293	NYSE	BKH	Wed, Jun 5, 2013	47.48	47.80	46.69	46.97
5292	NYSE	BKH	Tue, Jun 4, 2013	47.70	48.05	47.16	47.66
5291	NYSE	BKH	Mon, Jun 3, 2013	47.65	47.94	46.94	47.78
5290	NYSE	BKH	Fri, May 31, 2013	47.44	48.22	47.42	47.47
5289	NYSE	BKH	Thu, May 30, 2013	46.95	47.90	46.95	47.66
5288	NYSE	BKH	Wed, May 29, 2013	47.34	47.34	46.19	46.95
5287	NYSE	BKH	Tue, May 28, 2013	47.99	48.40	47.25	47.74
5286	NYSE	BKH	Fri, May 24, 2013	47.69	47.69	47.15	47.54
5285	NYSE	BKH	Thu, May 23, 2013	48.16	48.17	46.18	47.85
5284	NYSE	BKH	Wed, May 22, 2013	49.76	50.52	48.28	48.61
5283	NYSE	BKH	Tue, May 21, 2013	49.89	50.06	49.43	49.83
5282	NYSE	BKH	Mon, May 20, 2013	49.68	50.25	49.59	49.97
5281	NYSE	BKH	Fri, May 17, 2013	49.30	49.80	49.09	49.77
5280	NYSE	BKH	Thu, May 16, 2013	49.33	49.49	48.89	49.05
5279	NYSE	BKH	Wed, May 15, 2013	49.14	49.89	49.01	49.34
5278	NYSE	BKH	Tue, May 14, 2013	48.61	49.60	48.48	49.51
5277	NYSE	BKH	Mon, May 13, 2013	49.24	49.24	48.50	48.65
5276	NYSE	BKH	Fri, May 10, 2013	48.24	49.60	48.24	49.36
5275	NYSE	BKH	Thu, May 9, 2013	48.55	48.79	48.02	48.17
5274	NYSE	BKH	Wed, May 8, 2013	48.70	48.86	48.26	48.49
5273	NYSE	BKH	Tue, May 7, 2013	48.15	48.88	48.03	48.88
5272	NYSE	BKH	Mon, May 6, 2013	48.31	48.60	47.94	48.15
5271	NYSE	BKH	Fri, May 3, 2013	47.83	48.70	47.50	48.30
5270	NYSE	BKH	Thu, May 2, 2013	46.04	47.00	45.95	46.64
5269	NYSE	BKH	Wed, May 1, 2013	46.73	46.93	45.82	45.85
5268	NYSE	BKH	Tue, Apr 30, 2013	46.45	46.90	46.40	46.89
5267	NYSE	BKH	Mon, Apr 29, 2013	46.45	46.95	46.35	46.51
5266	NYSE	BKH	Fri, Apr 26, 2013	46.30	46.64	45.92	46.28
5265	NYSE	BKH	Thu, Apr 25, 2013	46.55	46.93	46.43	46.47
5264	NYSE	BKH	Wed, Apr 24, 2013	46.52	46.66	46.30	46.45
5263	NYSE	BKH	Tue, Apr 23, 2013	46.01	46.83	45.83	46.51
5262	NYSE	BKH	Mon, Apr 22, 2013	45.88	46.04	45.14	45.80
5261	NYSE	BKH	Fri, Apr 19, 2013	44.64	46.12	44.41	45.75
5260	NYSE	BKH	Thu, Apr 18, 2013	44.61	44.78	44.41	44.64
5259	NYSE	BKH	Wed, Apr 17, 2013	45.01	45.09	44.41	44.57
5258	NYSE	BKH	Tue, Apr 16, 2013	44.77	45.37	44.30	45.32
5257	NYSE	BKH	Mon, Apr 15, 2013	44.91	45.10	44.28	44.36
5256	NYSE	BKH	Fri, Apr 12, 2013	45.00	45.21	44.82	44.99
5255	NYSE	BKH	Thu, Apr 11, 2013	44.91	45.19	44.88	45.11
5254	NYSE	BKH	Wed, Apr 10, 2013	44.43	45.05	44.37	45.00
5253	NYSE	BKH	Tue, Apr 9, 2013	44.98	44.99	44.25	44.26
5252	NYSE	BKH	Mon, Apr 8, 2013	43.99	44.86	43.72	44.85
5251	NYSE	BKH	Fri, Apr 5, 2013	43.30	43.98	43.19	43.96
5250	NYSE	BKH	Thu, Apr 4, 2013	43.28	43.91	43.25	43.91
5249	NYSE	BKH	Wed, Apr 3, 2013	43.76	43.96	43.22	43.27
5248	NYSE	BKH	Tue, Apr 2, 2013	44.00	44.38	43.60	43.75
5247	NYSE	BKH	Mon, Apr 1, 2013	44.09	44.23	43.56	43.89
5246	NYSE	BKH	Thu, Mar 28, 2013	44.15	44.32	43.93	44.04
5245	NYSE	BKH	Wed, Mar 27, 2013	43.76	44.16	43.64	44.08
5244	NYSE	BKH	Tue, Mar 26, 2013	43.80	44.06	43.71	43.96
5243	NYSE	BKH	Mon, Mar 25, 2013	43.62	44.07	43.26	43.60
5242	NYSE	BKH	Fri, Mar 22, 2013	43.42	43.70	43.36	43.59
5241	NYSE	BKH	Thu, Mar 21, 2013	43.46	43.64	43.13	43.30
5240	NYSE	BKH	Wed, Mar 20, 2013	43.31	43.64	43.14	43.59
5239	NYSE	BKH	Tue, Mar 19, 2013	43.10	43.42	42.89	43.14
5238	NYSE	BKH	Mon, Mar 18, 2013	42.95	43.33	42.67	42.93
5237	NYSE	BKH	Fri, Mar 15, 2013	43.42	43.94	43.42	43.74
5236	NYSE	BKH	Thu, Mar 14, 2013	43.03	43.46	42.96	43.42
5235	NYSE	BKH	Wed, Mar 13, 2013	42.73	43.02	42.43	42.96
5234	NYSE	BKH	Tue, Mar 12, 2013	42.73	42.85	42.36	42.66
5233	NYSE	BKH	Mon, Mar 11, 2013	42.70	42.93	42.50	42.69
5232	NYSE	BKH	Fri, Mar 8, 2013	42.47	42.73	42.20	42.70
5231	NYSE	BKH	Thu, Mar 7, 2013	42.35	42.45	41.88	42.17
5230	NYSE	BKH	Wed, Mar 6, 2013	42.34	42.53	42.13	42.27
5229	NYSE	BKH	Tue, Mar 5, 2013	42.48	42.81	42.14	42.25
5228	NYSE	BKH	Mon, Mar 4, 2013	41.65	42.22	41.61	42.15
5227	NYSE	BKH	Fri, Mar 1, 2013	41.51	41.82	41.02	41.66
5226	NYSE	BKH	Thu, Feb 28, 2013	41.60	41.90	41.37	41.59
5225	NYSE	BKH	Wed, Feb 27, 2013	41.12	41.77	41.05	41.56
5224	NYSE	BKH	Tue, Feb 26, 2013	40.78	41.24	40.78	41.07
5223	NYSE	BKH	Mon, Feb 25, 2013	41.77	41.81	40.68	40.68
5222	NYSE	BKH	Fri, Feb 22, 2013	41.04	41.56	40.96	41.56
5221	NYSE	BKH	Thu, Feb 21, 2013	41.01	41.32	40.61	40.74
5220	NYSE	BKH	Wed, Feb 20, 2013	41.20	41.72	41.01	41.02
5219	NYSE	BKH	Tue, Feb 19, 2013	40.94	41.37	39.55	41.22
5218	NYSE	BKH	Fri, Feb 15, 2013	40.86	40.98	40.63	40.86
5217	NYSE	BKH	Thu, Feb 14, 2013	41.03	41.20	40.65	40.70
5216	NYSE	BKH	Wed, Feb 13, 2013	41.23	41.25	40.86	41.05
5215	NYSE	BKH	Tue, Feb 12, 2013	41.22	41.36	41.06	41.28
5214	NYSE	BKH	Mon, Feb 11, 2013	40.97	41.18	40.95	41.06
5213	NYSE	BKH	Fri, Feb 8, 2013	41.02	41.12	40.72	40.91
5212	NYSE	BKH	Thu, Feb 7, 2013	41.00	41.12	40.60	40.89
5211	NYSE	BKH	Wed, Feb 6, 2013	40.49	40.97	40.22	40.92
5210	NYSE	BKH	Tue, Feb 5, 2013	40.44	40.92	40.40	40.51
5209	NYSE	BKH	Mon, Feb 4, 2013	40.74	41.43	39.86	40.39
5208	NYSE	BKH	Fri, Feb 1, 2013	40.80	41.35	40.39	40.88
5207	NYSE	BKH	Thu, Jan 31, 2013	40.48	40.97	40.31	40.35
5206	NYSE	BKH	Wed, Jan 30, 2013	40.45	40.70	40.23	40.57
5205	NYSE	BKH	Tue, Jan 29, 2013	40.03	40.73	39.95	40.41
5204	NYSE	BKH	Mon, Jan 28, 2013	39.69	40.02	39.62	40.02
5203	NYSE	BKH	Fri, Jan 25, 2013	39.37	39.69	39.20	39.59
5202	NYSE	BKH	Thu, Jan 24, 2013	39.15	39.26	38.90	39.20
5201	NYSE	BKH	Wed, Jan 23, 2013	39.23	39.24	39.01	39.08
5200	NYSE	BKH	Tue, Jan 22, 2013	39.11	39.27	38.96	39.19
5199	NYSE	BKH	Fri, Jan 18, 2013	39.06	39.08	38.85	39.05
5198	NYSE	BKH	Thu, Jan 17, 2013	38.77	39.21	38.60	39.12
5197	NYSE	BKH	Wed, Jan 16, 2013	38.65	38.75	38.47	38.60
5196	NYSE	BKH	Tue, Jan 15, 2013	38.38	38.75	38.16	38.73
5195	NYSE	BKH	Mon, Jan 14, 2013	38.30	38.59	38.29	38.51
5194	NYSE	BKH	Fri, Jan 11, 2013	38.18	38.34	38.00	38.29
5193	NYSE	BKH	Thu, Jan 10, 2013	38.13	38.20	37.88	38.09
5192	NYSE	BKH	Wed, Jan 9, 2013	37.74	37.95	37.51	37.93
5191	NYSE	BKH	Tue, Jan 8, 2013	37.50	37.81	37.35	37.60
5190	NYSE	BKH	Mon, Jan 7, 2013	37.88	37.88	37.55	37.57
5189	NYSE	BKH	Fri, Jan 4, 2013	37.79	38.06	37.45	38.04
5188	NYSE	BKH	Thu, Jan 3, 2013	37.79	37.92	37.51	37.60
5187	NYSE	BKH	Wed, Jan 2, 2013	37.02	37.77	36.89	37.74
5186	NYSE	BKH	Mon, Dec 31, 2012	35.80	36.48	35.51	36.34
5185	NYSE	BKH	Fri, Dec 28, 2012	35.78	36.38	35.66	35.76
5184	NYSE	BKH	Thu, Dec 27, 2012	36.00	36.16	35.58	35.99
5183	NYSE	BKH	Wed, Dec 26, 2012	36.37	36.58	36.05	36.05
5182	NYSE	BKH	Mon, Dec 24, 2012	36.52	36.52	36.07	36.37
5181	NYSE	BKH	Fri, Dec 21, 2012	36.65	36.83	36.40	36.63
5180	NYSE	BKH	Thu, Dec 20, 2012	36.25	37.00	36.25	36.95
5179	NYSE	BKH	Wed, Dec 19, 2012	36.60	36.69	36.24	36.26
5178	NYSE	BKH	Tue, Dec 18, 2012	36.36	36.66	36.27	36.65
5177	NYSE	BKH	Mon, Dec 17, 2012	35.87	36.42	35.87	36.39
5176	NYSE	BKH	Fri, Dec 14, 2012	35.46	35.90	35.45	35.84
5175	NYSE	BKH	Thu, Dec 13, 2012	35.58	35.73	35.43	35.60
5174	NYSE	BKH	Wed, Dec 12, 2012	35.98	36.08	35.54	35.61
5173	NYSE	BKH	Tue, Dec 11, 2012	35.89	35.99	35.63	35.81
5172	NYSE	BKH	Mon, Dec 10, 2012	35.72	35.80	35.31	35.65
5171	NYSE	BKH	Fri, Dec 7, 2012	35.78	35.87	35.48	35.71
5170	NYSE	BKH	Thu, Dec 6, 2012	35.88	36.26	35.70	35.79
5169	NYSE	BKH	Wed, Dec 5, 2012	35.45	36.16	35.38	35.90
5168	NYSE	BKH	Tue, Dec 4, 2012	35.71	35.83	35.40	35.43
5167	NYSE	BKH	Mon, Dec 3, 2012	35.79	35.95	35.31	35.61
5166	NYSE	BKH	Fri, Nov 30, 2012	35.54	35.81	35.43	35.69
5165	NYSE	BKH	Thu, Nov 29, 2012	35.43	35.56	35.06	35.44
5164	NYSE	BKH	Wed, Nov 28, 2012	34.66	35.22	34.43	35.20
5163	NYSE	BKH	Tue, Nov 27, 2012	34.38	34.75	34.33	34.66
5162	NYSE	BKH	Mon, Nov 26, 2012	34.02	34.46	34.02	34.30
5161	NYSE	BKH	Fri, Nov 23, 2012	34.00	34.11	33.83	34.08
5160	NYSE	BKH	Wed, Nov 21, 2012	34.13	34.21	33.72	33.89
5159	NYSE	BKH	Tue, Nov 20, 2012	34.30	34.33	33.93	34.02
5158	NYSE	BKH	Mon, Nov 19, 2012	34.53	34.53	34.05	34.26
5157	NYSE	BKH	Fri, Nov 16, 2012	33.77	34.19	33.55	34.18
5156	NYSE	BKH	Thu, Nov 15, 2012	33.85	34.02	33.51	33.88
5155	NYSE	BKH	Wed, Nov 14, 2012	34.19	34.50	33.71	33.90
5154	NYSE	BKH	Tue, Nov 13, 2012	34.37	34.91	34.32	34.60
5153	NYSE	BKH	Mon, Nov 12, 2012	34.80	35.18	34.37	34.48
5152	NYSE	BKH	Fri, Nov 9, 2012	35.20	35.43	34.68	34.78
5151	NYSE	BKH	Thu, Nov 8, 2012	36.00	36.12	34.84	35.01
5150	NYSE	BKH	Wed, Nov 7, 2012	36.00	36.03	34.94	35.03
5149	NYSE	BKH	Tue, Nov 6, 2012	35.56	36.62	35.41	36.38
5148	NYSE	BKH	Mon, Nov 5, 2012	35.49	35.56	35.14	35.44
5147	NYSE	BKH	Fri, Nov 2, 2012	36.24	36.28	35.38	35.38
5146	NYSE	BKH	Thu, Nov 1, 2012	35.76	36.55	35.65	36.06
5145	NYSE	BKH	Wed, Oct 31, 2012	35.78	35.97	35.47	35.77
5144	NYSE	BKH	Fri, Oct 26, 2012	35.97	36.10	35.74	35.88
5143	NYSE	BKH	Thu, Oct 25, 2012	36.00	36.02	35.53	35.92
5142	NYSE	BKH	Wed, Oct 24, 2012	35.83	36.13	35.39	35.74
5141	NYSE	BKH	Tue, Oct 23, 2012	35.27	35.55	35.02	35.53
5140	NYSE	BKH	Mon, Oct 22, 2012	35.55	35.63	35.25	35.52
5139	NYSE	BKH	Fri, Oct 19, 2012	36.16	36.33	35.53	35.66
5138	NYSE	BKH	Thu, Oct 18, 2012	36.14	36.37	36.14	36.31
5137	NYSE	BKH	Wed, Oct 17, 2012	35.72	36.20	35.65	36.16
5136	NYSE	BKH	Tue, Oct 16, 2012	35.63	36.30	35.44	35.74
5135	NYSE	BKH	Mon, Oct 15, 2012	35.10	35.49	34.95	35.48
5134	NYSE	BKH	Fri, Oct 12, 2012	35.10	35.41	35.00	35.12
5133	NYSE	BKH	Thu, Oct 11, 2012	35.27	35.29	35.02	35.14
5132	NYSE	BKH	Wed, Oct 10, 2012	35.26	35.56	35.09	35.14
5131	NYSE	BKH	Tue, Oct 9, 2012	35.25	35.50	35.08	35.23
5130	NYSE	BKH	Mon, Oct 8, 2012	35.34	35.43	35.05	35.31
5129	NYSE	BKH	Fri, Oct 5, 2012	35.41	35.59	35.26	35.34
5128	NYSE	BKH	Thu, Oct 4, 2012	35.15	35.48	35.06	35.30
5127	NYSE	BKH	Wed, Oct 3, 2012	35.50	35.59	35.06	35.15
5126	NYSE	BKH	Tue, Oct 2, 2012	35.78	35.82	35.30	35.40
5125	NYSE	BKH	Mon, Oct 1, 2012	35.62	35.83	35.35	35.60
5124	NYSE	BKH	Fri, Sep 28, 2012	35.26	35.69	34.89	35.57
5123	NYSE	BKH	Thu, Sep 27, 2012	35.62	35.76	35.27	35.44
5122	NYSE	BKH	Wed, Sep 26, 2012	35.66	36.07	35.48	35.61
5121	NYSE	BKH	Tue, Sep 25, 2012	35.95	36.28	35.53	35.64
5120	NYSE	BKH	Mon, Sep 24, 2012	35.52	36.02	35.49	35.80
5119	NYSE	BKH	Fri, Sep 21, 2012	35.91	35.99	35.30	35.70
5118	NYSE	BKH	Thu, Sep 20, 2012	35.37	36.05	35.27	35.62
5117	NYSE	BKH	Wed, Sep 19, 2012	35.31	35.55	35.20	35.49
5116	NYSE	BKH	Tue, Sep 18, 2012	35.47	35.58	35.12	35.31
5115	NYSE	BKH	Mon, Sep 17, 2012	35.21	35.67	35.08	35.55
5114	NYSE	BKH	Fri, Sep 14, 2012	35.14	35.56	35.12	35.35
5113	NYSE	BKH	Thu, Sep 13, 2012	34.82	35.35	34.70	35.04
5112	NYSE	BKH	Wed, Sep 12, 2012	34.84	35.22	34.62	34.89
5111	NYSE	BKH	Tue, Sep 11, 2012	34.47	34.70	34.41	34.56
5110	NYSE	BKH	Mon, Sep 10, 2012	34.48	34.74	34.45	34.45
5109	NYSE	BKH	Fri, Sep 7, 2012	34.80	34.88	34.48	34.57
5108	NYSE	BKH	Thu, Sep 6, 2012	34.48	34.91	34.28	34.75
5107	NYSE	BKH	Wed, Sep 5, 2012	34.63	34.67	34.32	34.47
5106	NYSE	BKH	Tue, Sep 4, 2012	34.20	34.60	33.85	34.46
5105	NYSE	BKH	Fri, Aug 31, 2012	34.35	34.37	33.91	34.20
5104	NYSE	BKH	Thu, Aug 30, 2012	34.46	34.46	34.03	34.11
5103	NYSE	BKH	Wed, Aug 29, 2012	34.47	34.85	34.47	34.49
5102	NYSE	BKH	Tue, Aug 28, 2012	34.03	34.31	33.86	34.15
5101	NYSE	BKH	Mon, Aug 27, 2012	33.51	34.53	33.40	34.13
5100	NYSE	BKH	Fri, Aug 24, 2012	32.65	33.78	32.32	33.42
5099	NYSE	BKH	Thu, Aug 23, 2012	31.35	31.36	30.82	31.01
5098	NYSE	BKH	Wed, Aug 22, 2012	31.43	31.55	31.22	31.32
5097	NYSE	BKH	Tue, Aug 21, 2012	31.41	31.57	31.26	31.42
5096	NYSE	BKH	Mon, Aug 20, 2012	31.46	31.50	31.29	31.41
5095	NYSE	BKH	Fri, Aug 17, 2012	31.66	31.72	31.45	31.51
5094	NYSE	BKH	Thu, Aug 16, 2012	31.53	31.75	31.36	31.61
5093	NYSE	BKH	Wed, Aug 15, 2012	31.57	31.72	31.37	31.57
5092	NYSE	BKH	Tue, Aug 14, 2012	32.01	32.07	31.77	31.96
5091	NYSE	BKH	Mon, Aug 13, 2012	31.41	31.95	31.40	31.90
5090	NYSE	BKH	Fri, Aug 10, 2012	31.45	31.51	31.19	31.48
5089	NYSE	BKH	Thu, Aug 9, 2012	31.44	31.58	31.14	31.46
5088	NYSE	BKH	Wed, Aug 8, 2012	30.57	31.45	30.57	31.39
5087	NYSE	BKH	Tue, Aug 7, 2012	31.89	31.99	30.41	30.67
5086	NYSE	BKH	Mon, Aug 6, 2012	31.83	32.01	31.77	31.89
5085	NYSE	BKH	Fri, Aug 3, 2012	31.51	31.94	31.41	31.71
5084	NYSE	BKH	Thu, Aug 2, 2012	31.10	31.23	30.93	31.20
5083	NYSE	BKH	Wed, Aug 1, 2012	31.89	32.30	31.14	31.14
5082	NYSE	BKH	Tue, Jul 31, 2012	32.31	32.38	31.83	31.85
5081	NYSE	BKH	Mon, Jul 30, 2012	31.91	32.34	31.86	32.31
5080	NYSE	BKH	Fri, Jul 27, 2012	31.65	32.21	31.60	31.97
5079	NYSE	BKH	Thu, Jul 26, 2012	31.90	32.06	31.50	31.55
5078	NYSE	BKH	Wed, Jul 25, 2012	31.65	31.70	31.40	31.59
5077	NYSE	BKH	Tue, Jul 24, 2012	32.14	32.14	31.48	31.60
5076	NYSE	BKH	Mon, Jul 23, 2012	32.01	32.12	31.72	31.97
5075	NYSE	BKH	Fri, Jul 20, 2012	32.01	33.05	32.01	32.19
5074	NYSE	BKH	Thu, Jul 19, 2012	32.01	32.35	31.47	32.13
5073	NYSE	BKH	Wed, Jul 18, 2012	31.77	31.96	31.67	31.85
5072	NYSE	BKH	Tue, Jul 17, 2012	30.97	32.39	30.97	31.75
5071	NYSE	BKH	Mon, Jul 16, 2012	31.48	31.48	30.29	30.86
5070	NYSE	BKH	Fri, Jul 13, 2012	31.45	31.77	31.31	31.64
5069	NYSE	BKH	Thu, Jul 12, 2012	31.32	31.49	31.24	31.36
5068	NYSE	BKH	Wed, Jul 11, 2012	31.68	31.78	31.24	31.46
5067	NYSE	BKH	Tue, Jul 10, 2012	32.29	32.29	31.54	31.64
5066	NYSE	BKH	Mon, Jul 9, 2012	32.50	32.65	31.94	32.07
5065	NYSE	BKH	Fri, Jul 6, 2012	31.93	32.53	31.93	32.46
5064	NYSE	BKH	Thu, Jul 5, 2012	32.58	32.73	32.15	32.17
5063	NYSE	BKH	Tue, Jul 3, 2012	32.14	32.68	32.14	32.66
5062	NYSE	BKH	Mon, Jul 2, 2012	32.24	32.43	31.50	32.13
5061	NYSE	BKH	Fri, Jun 29, 2012	32.99	33.02	32.11	32.17
5060	NYSE	BKH	Thu, Jun 28, 2012	32.76	32.82	32.20	32.54
5059	NYSE	BKH	Wed, Jun 27, 2012	32.38	33.07	32.38	32.94
5058	NYSE	BKH	Tue, Jun 26, 2012	32.30	32.42	32.11	32.26
5057	NYSE	BKH	Mon, Jun 25, 2012	32.47	32.55	32.14	32.19
5056	NYSE	BKH	Fri, Jun 22, 2012	32.53	32.76	32.40	32.70
5055	NYSE	BKH	Thu, Jun 21, 2012	33.00	33.20	32.30	32.35
5054	NYSE	BKH	Wed, Jun 20, 2012	33.18	33.35	32.92	32.99
5053	NYSE	BKH	Tue, Jun 19, 2012	32.90	33.43	32.64	33.13
5052	NYSE	BKH	Mon, Jun 18, 2012	32.53	32.81	32.47	32.75
5051	NYSE	BKH	Fri, Jun 15, 2012	32.55	32.83	32.47	32.56
5050	NYSE	BKH	Thu, Jun 14, 2012	32.39	32.64	32.28	32.46
5049	NYSE	BKH	Wed, Jun 13, 2012	32.38	32.59	32.12	32.29
5048	NYSE	BKH	Tue, Jun 12, 2012	32.41	32.47	32.06	32.47
5047	NYSE	BKH	Mon, Jun 11, 2012	32.95	32.95	32.28	32.30
5046	NYSE	BKH	Fri, Jun 8, 2012	32.56	32.74	32.20	32.66
5045	NYSE	BKH	Thu, Jun 7, 2012	33.05	33.10	32.46	32.51
5044	NYSE	BKH	Wed, Jun 6, 2012	32.47	32.79	32.25	32.75
5043	NYSE	BKH	Tue, Jun 5, 2012	31.61	32.51	31.61	32.25
5042	NYSE	BKH	Mon, Jun 4, 2012	31.99	32.09	31.73	31.87
5041	NYSE	BKH	Fri, Jun 1, 2012	31.77	32.21	31.66	31.81
5040	NYSE	BKH	Thu, May 31, 2012	31.85	32.42	31.76	32.18
5039	NYSE	BKH	Wed, May 30, 2012	31.68	31.94	31.68	31.78
5038	NYSE	BKH	Tue, May 29, 2012	31.95	31.97	31.62	31.94
5037	NYSE	BKH	Fri, May 25, 2012	31.74	31.90	31.60	31.73
5036	NYSE	BKH	Thu, May 24, 2012	31.82	31.96	31.37	31.72
5035	NYSE	BKH	Wed, May 23, 2012	31.92	32.13	31.50	31.76
5034	NYSE	BKH	Tue, May 22, 2012	31.94	32.29	31.87	32.08
5033	NYSE	BKH	Mon, May 21, 2012	31.70	31.96	31.32	31.96
5032	NYSE	BKH	Fri, May 18, 2012	31.87	32.10	31.51	31.60
5031	NYSE	BKH	Thu, May 17, 2012	32.23	32.34	31.92	31.93
5030	NYSE	BKH	Wed, May 16, 2012	32.17	32.43	32.04	32.25
5029	NYSE	BKH	Tue, May 15, 2012	32.86	32.86	32.41	32.50
5028	NYSE	BKH	Mon, May 14, 2012	32.49	33.02	32.41	32.70
5027	NYSE	BKH	Fri, May 11, 2012	32.62	32.83	32.48	32.58
5026	NYSE	BKH	Thu, May 10, 2012	32.57	32.86	32.45	32.75
5025	NYSE	BKH	Wed, May 9, 2012	32.28	32.66	32.21	32.49
5024	NYSE	BKH	Tue, May 8, 2012	31.59	32.42	31.52	32.42
5023	NYSE	BKH	Mon, May 7, 2012	32.05	32.22	31.59	31.73
5022	NYSE	BKH	Fri, May 4, 2012	31.84	32.50	31.84	32.14
5021	NYSE	BKH	Thu, May 3, 2012	32.55	32.70	32.16	32.20
5020	NYSE	BKH	Wed, May 2, 2012	32.88	32.92	32.48	32.54
5019	NYSE	BKH	Tue, May 1, 2012	33.13	33.68	32.90	33.08
5018	NYSE	BKH	Mon, Apr 30, 2012	33.01	33.24	32.96	33.01
5017	NYSE	BKH	Fri, Apr 27, 2012	33.12	33.32	32.82	33.10
5016	NYSE	BKH	Thu, Apr 26, 2012	33.02	33.34	32.91	33.18
5015	NYSE	BKH	Wed, Apr 25, 2012	32.96	33.11	32.65	33.08
5014	NYSE	BKH	Tue, Apr 24, 2012	32.24	32.65	32.22	32.60
5013	NYSE	BKH	Mon, Apr 23, 2012	32.33	32.40	32.12	32.28
5012	NYSE	BKH	Fri, Apr 20, 2012	32.64	32.95	32.46	32.72
5011	NYSE	BKH	Thu, Apr 19, 2012	32.52	32.64	32.10	32.34
5010	NYSE	BKH	Wed, Apr 18, 2012	32.81	32.95	32.40	32.57
5009	NYSE	BKH	Tue, Apr 17, 2012	32.86	33.12	32.56	32.97
5008	NYSE	BKH	Mon, Apr 16, 2012	32.49	32.83	32.42	32.62
5007	NYSE	BKH	Fri, Apr 13, 2012	32.43	32.67	32.30	32.30
5006	NYSE	BKH	Thu, Apr 12, 2012	32.18	32.67	32.10	32.50
5005	NYSE	BKH	Wed, Apr 11, 2012	32.49	32.49	32.11	32.21
5004	NYSE	BKH	Tue, Apr 10, 2012	32.83	32.94	32.15	32.26
5003	NYSE	BKH	Mon, Apr 9, 2012	33.03	33.14	32.76	32.85
5002	NYSE	BKH	Thu, Apr 5, 2012	33.87	34.07	33.25	33.37
5001	NYSE	BKH	Wed, Apr 4, 2012	33.89	34.06	33.67	34.01
5000	NYSE	BKH	Tue, Apr 3, 2012	34.23	34.31	33.76	34.07
4999	NYSE	BKH	Mon, Apr 2, 2012	33.41	34.29	33.30	34.22
4998	NYSE	BKH	Fri, Mar 30, 2012	33.75	33.76	33.34	33.53
4997	NYSE	BKH	Thu, Mar 29, 2012	33.44	33.70	33.21	33.60
4996	NYSE	BKH	Wed, Mar 28, 2012	33.83	34.04	33.45	33.63
4995	NYSE	BKH	Tue, Mar 27, 2012	33.73	34.08	33.67	33.89
4994	NYSE	BKH	Mon, Mar 26, 2012	33.54	33.74	33.46	33.68
4993	NYSE	BKH	Fri, Mar 23, 2012	33.24	33.40	33.01	33.25
4992	NYSE	BKH	Thu, Mar 22, 2012	33.08	33.32	32.89	33.17
4991	NYSE	BKH	Wed, Mar 21, 2012	33.38	33.71	33.21	33.33
4990	NYSE	BKH	Tue, Mar 20, 2012	32.91	33.48	32.88	33.40
4989	NYSE	BKH	Mon, Mar 19, 2012	33.00	33.54	32.91	33.07
4988	NYSE	BKH	Fri, Mar 16, 2012	33.05	33.59	33.00	33.05
4987	NYSE	BKH	Thu, Mar 15, 2012	33.47	33.82	33.13	33.63
4986	NYSE	BKH	Wed, Mar 14, 2012	34.25	34.32	33.19	33.52
4985	NYSE	BKH	Tue, Mar 13, 2012	34.15	34.39	33.88	34.37
4984	NYSE	BKH	Mon, Mar 12, 2012	33.72	34.26	33.72	33.93
4983	NYSE	BKH	Fri, Mar 9, 2012	33.48	33.91	33.30	33.69
4982	NYSE	BKH	Thu, Mar 8, 2012	33.16	33.55	33.00	33.52
4981	NYSE	BKH	Wed, Mar 7, 2012	32.84	33.17	32.55	33.07
4980	NYSE	BKH	Tue, Mar 6, 2012	32.50	32.86	32.45	32.81
4979	NYSE	BKH	Mon, Mar 5, 2012	32.51	32.87	32.18	32.82
4978	NYSE	BKH	Fri, Mar 2, 2012	32.71	32.98	32.45	32.54
4977	NYSE	BKH	Thu, Mar 1, 2012	32.71	33.14	32.66	32.72
4976	NYSE	BKH	Wed, Feb 29, 2012	33.19	33.34	32.84	32.84
4975	NYSE	BKH	Tue, Feb 28, 2012	33.29	33.37	32.73	33.08
4974	NYSE	BKH	Mon, Feb 27, 2012	33.77	33.91	33.31	33.33
4973	NYSE	BKH	Fri, Feb 24, 2012	34.33	34.36	33.78	33.91
4972	NYSE	BKH	Thu, Feb 23, 2012	34.05	34.47	33.98	34.40
4971	NYSE	BKH	Wed, Feb 22, 2012	34.07	34.27	33.79	34.05
4970	NYSE	BKH	Tue, Feb 21, 2012	34.21	34.59	33.96	34.09
4969	NYSE	BKH	Fri, Feb 17, 2012	34.07	34.58	33.93	34.24
4968	NYSE	BKH	Thu, Feb 16, 2012	33.90	34.21	33.90	34.00
4967	NYSE	BKH	Wed, Feb 15, 2012	34.39	34.43	33.71	33.90
4966	NYSE	BKH	Tue, Feb 14, 2012	34.34	34.46	34.02	34.22
4965	NYSE	BKH	Mon, Feb 13, 2012	35.20	35.28	34.62	34.90
4964	NYSE	BKH	Fri, Feb 10, 2012	35.14	35.26	34.92	34.99
4963	NYSE	BKH	Thu, Feb 9, 2012	35.36	35.50	35.14	35.30
4962	NYSE	BKH	Wed, Feb 8, 2012	35.26	35.82	35.20	35.32
4961	NYSE	BKH	Tue, Feb 7, 2012	34.96	35.42	34.71	35.29
4960	NYSE	BKH	Mon, Feb 6, 2012	34.83	35.51	34.81	35.14
4959	NYSE	BKH	Fri, Feb 3, 2012	34.80	35.10	34.48	35.02
4958	NYSE	BKH	Thu, Feb 2, 2012	34.15	34.30	33.93	33.94
4957	NYSE	BKH	Wed, Feb 1, 2012	33.98	34.31	33.66	34.20
4956	NYSE	BKH	Tue, Jan 31, 2012	33.80	33.90	33.43	33.76
4955	NYSE	BKH	Mon, Jan 30, 2012	34.03	34.03	33.49	33.58
4954	NYSE	BKH	Fri, Jan 27, 2012	34.26	34.45	33.97	34.22
4953	NYSE	BKH	Thu, Jan 26, 2012	34.64	34.67	34.12	34.43
4952	NYSE	BKH	Wed, Jan 25, 2012	33.83	34.61	33.59	34.54
4951	NYSE	BKH	Tue, Jan 24, 2012	33.55	34.03	33.38	33.91
4950	NYSE	BKH	Mon, Jan 23, 2012	34.07	34.34	33.55	33.75
4949	NYSE	BKH	Fri, Jan 20, 2012	33.73	34.19	33.65	34.10
4948	NYSE	BKH	Thu, Jan 19, 2012	34.08	34.11	33.08	33.81
4947	NYSE	BKH	Wed, Jan 18, 2012	33.09	33.26	32.90	33.19
4946	NYSE	BKH	Tue, Jan 17, 2012	33.49	33.72	33.02	33.08
4945	NYSE	BKH	Fri, Jan 13, 2012	33.31	33.49	32.95	33.19
4944	NYSE	BKH	Thu, Jan 12, 2012	33.76	33.79	33.42	33.59
4943	NYSE	BKH	Wed, Jan 11, 2012	34.18	34.36	33.57	33.66
4942	NYSE	BKH	Tue, Jan 10, 2012	34.16	34.55	34.01	34.26
4941	NYSE	BKH	Mon, Jan 9, 2012	33.82	34.00	33.57	33.83
4940	NYSE	BKH	Fri, Jan 6, 2012	33.62	33.90	33.40	33.67
4939	NYSE	BKH	Thu, Jan 5, 2012	33.00	33.94	32.88	33.65
4938	NYSE	BKH	Wed, Jan 4, 2012	33.04	33.50	33.01	33.21
4937	NYSE	BKH	Tue, Jan 3, 2012	34.03	34.12	32.99	33.13
4936	NYSE	BKH	Fri, Dec 30, 2011	34.14	34.25	33.55	33.58
4935	NYSE	BKH	Thu, Dec 29, 2011	33.73	34.26	33.73	34.15
4934	NYSE	BKH	Wed, Dec 28, 2011	34.31	34.33	33.59	33.66
4933	NYSE	BKH	Tue, Dec 27, 2011	33.72	34.41	33.59	34.23
4932	NYSE	BKH	Fri, Dec 23, 2011	33.56	33.99	33.52	33.84
4931	NYSE	BKH	Thu, Dec 22, 2011	33.75	33.75	33.41	33.46
4930	NYSE	BKH	Wed, Dec 21, 2011	32.94	33.73	32.94	33.64
4929	NYSE	BKH	Tue, Dec 20, 2011	32.61	33.18	32.54	33.09
4928	NYSE	BKH	Mon, Dec 19, 2011	32.75	33.09	32.09	32.16
4927	NYSE	BKH	Fri, Dec 16, 2011	32.60	32.86	32.47	32.69
4926	NYSE	BKH	Thu, Dec 15, 2011	32.07	32.43	31.94	32.40
4925	NYSE	BKH	Wed, Dec 14, 2011	32.11	32.27	31.75	31.77
4924	NYSE	BKH	Tue, Dec 13, 2011	32.64	32.87	32.09	32.20
4923	NYSE	BKH	Mon, Dec 12, 2011	32.43	32.78	32.12	32.40
4922	NYSE	BKH	Fri, Dec 9, 2011	32.20	32.88	32.13	32.75
4921	NYSE	BKH	Thu, Dec 8, 2011	32.86	32.89	31.97	32.06
4920	NYSE	BKH	Wed, Dec 7, 2011	32.91	33.49	32.59	32.99
4919	NYSE	BKH	Tue, Dec 6, 2011	32.75	33.31	32.75	33.04
4918	NYSE	BKH	Mon, Dec 5, 2011	33.25	33.64	32.66	32.81
4917	NYSE	BKH	Fri, Dec 2, 2011	33.13	33.16	32.67	32.89
4916	NYSE	BKH	Thu, Dec 1, 2011	32.76	33.17	32.55	32.79
4915	NYSE	BKH	Wed, Nov 30, 2011	32.29	32.75	31.99	32.75
4914	NYSE	BKH	Tue, Nov 29, 2011	30.75	31.50	30.74	31.37
4913	NYSE	BKH	Mon, Nov 28, 2011	30.84	31.10	30.39	30.60
4912	NYSE	BKH	Fri, Nov 25, 2011	30.33	30.49	30.01	30.01
4911	NYSE	BKH	Wed, Nov 23, 2011	30.70	30.76	30.04	30.31
4910	NYSE	BKH	Tue, Nov 22, 2011	31.45	31.49	30.84	30.90
4909	NYSE	BKH	Mon, Nov 21, 2011	31.85	31.96	30.68	31.43
4908	NYSE	BKH	Fri, Nov 18, 2011	32.24	32.45	32.16	32.25
4907	NYSE	BKH	Thu, Nov 17, 2011	32.40	32.78	32.03	32.21
4906	NYSE	BKH	Wed, Nov 16, 2011	32.49	33.04	32.28	32.44
4905	NYSE	BKH	Tue, Nov 15, 2011	32.72	32.91	32.58	32.77
4904	NYSE	BKH	Mon, Nov 14, 2011	33.37	33.46	32.97	33.14
4903	NYSE	BKH	Fri, Nov 11, 2011	33.04	33.46	32.98	33.43
4902	NYSE	BKH	Thu, Nov 10, 2011	32.71	32.91	32.48	32.73
4901	NYSE	BKH	Wed, Nov 9, 2011	33.09	33.20	32.26	32.35
4900	NYSE	BKH	Tue, Nov 8, 2011	33.42	33.77	32.96	33.69
4899	NYSE	BKH	Mon, Nov 7, 2011	33.66	33.76	32.72	33.30
4898	NYSE	BKH	Fri, Nov 4, 2011	32.94	33.67	32.60	33.60
4897	NYSE	BKH	Thu, Nov 3, 2011	32.98	33.54	32.88	33.41
4896	NYSE	BKH	Wed, Nov 2, 2011	32.70	33.53	32.70	32.74
4895	NYSE	BKH	Tue, Nov 1, 2011	32.76	33.40	32.12	32.28
4894	NYSE	BKH	Mon, Oct 31, 2011	34.00	34.47	33.70	33.71
4893	NYSE	BKH	Fri, Oct 28, 2011	34.09	34.44	33.82	34.22
4892	NYSE	BKH	Thu, Oct 27, 2011	33.94	34.33	33.63	34.00
4891	NYSE	BKH	Wed, Oct 26, 2011	33.53	33.75	32.98	33.18
4890	NYSE	BKH	Tue, Oct 25, 2011	33.52	33.87	32.97	33.06
4889	NYSE	BKH	Mon, Oct 24, 2011	33.35	33.87	33.19	33.78
4888	NYSE	BKH	Fri, Oct 21, 2011	32.95	33.32	32.86	33.32
4887	NYSE	BKH	Thu, Oct 20, 2011	32.28	32.69	31.82	32.62
4886	NYSE	BKH	Wed, Oct 19, 2011	32.32	32.83	32.07	32.16
4885	NYSE	BKH	Tue, Oct 18, 2011	32.13	32.48	31.75	32.29
4884	NYSE	BKH	Mon, Oct 17, 2011	32.06	32.21	31.75	32.03
4883	NYSE	BKH	Fri, Oct 14, 2011	32.19	32.24	31.90	32.22
4882	NYSE	BKH	Thu, Oct 13, 2011	31.85	32.02	31.59	31.91
4881	NYSE	BKH	Wed, Oct 12, 2011	32.15	32.22	31.86	31.91
4880	NYSE	BKH	Tue, Oct 11, 2011	31.71	32.25	31.47	32.02
4879	NYSE	BKH	Mon, Oct 10, 2011	31.09	31.98	31.07	31.98
4878	NYSE	BKH	Fri, Oct 7, 2011	31.35	31.40	30.76	30.78
4877	NYSE	BKH	Thu, Oct 6, 2011	30.28	31.19	30.28	31.17
4876	NYSE	BKH	Wed, Oct 5, 2011	30.47	30.66	30.01	30.53
4875	NYSE	BKH	Tue, Oct 4, 2011	29.41	30.48	29.10	30.37
4874	NYSE	BKH	Mon, Oct 3, 2011	30.58	31.02	29.56	29.57
4873	NYSE	BKH	Fri, Sep 30, 2011	30.77	31.27	30.63	30.64
4872	NYSE	BKH	Thu, Sep 29, 2011	30.91	31.18	30.58	31.18
4871	NYSE	BKH	Wed, Sep 28, 2011	31.51	31.51	30.37	30.41
4870	NYSE	BKH	Tue, Sep 27, 2011	30.97	31.65	30.85	31.45
4869	NYSE	BKH	Mon, Sep 26, 2011	30.47	30.55	29.96	30.49
4868	NYSE	BKH	Fri, Sep 23, 2011	29.68	30.28	29.68	30.16
4867	NYSE	BKH	Thu, Sep 22, 2011	30.25	30.63	29.37	29.77
4866	NYSE	BKH	Wed, Sep 21, 2011	31.43	31.72	30.82	30.85
4865	NYSE	BKH	Tue, Sep 20, 2011	31.46	32.22	31.39	31.51
4864	NYSE	BKH	Mon, Sep 19, 2011	31.04	31.56	30.94	31.28
4863	NYSE	BKH	Fri, Sep 16, 2011	31.43	31.66	31.27	31.37
4862	NYSE	BKH	Thu, Sep 15, 2011	31.13	31.42	30.82	31.29
4861	NYSE	BKH	Wed, Sep 14, 2011	30.97	31.22	30.48	30.92
4860	NYSE	BKH	Tue, Sep 13, 2011	30.22	30.88	30.00	30.78
4859	NYSE	BKH	Mon, Sep 12, 2011	29.53	30.09	29.52	30.07
4858	NYSE	BKH	Fri, Sep 9, 2011	30.00	30.12	29.44	29.84
4857	NYSE	BKH	Thu, Sep 8, 2011	30.36	30.91	30.16	30.26
4856	NYSE	BKH	Wed, Sep 7, 2011	30.30	30.60	30.09	30.53
4855	NYSE	BKH	Tue, Sep 6, 2011	29.34	30.06	29.30	29.94
4854	NYSE	BKH	Fri, Sep 2, 2011	30.29	30.59	30.13	30.23
4853	NYSE	BKH	Thu, Sep 1, 2011	30.69	31.07	30.52	30.76
4852	NYSE	BKH	Wed, Aug 31, 2011	30.63	30.75	30.34	30.60
4851	NYSE	BKH	Tue, Aug 30, 2011	30.38	30.67	30.16	30.48
4850	NYSE	BKH	Mon, Aug 29, 2011	29.77	30.51	29.67	30.49
4849	NYSE	BKH	Fri, Aug 26, 2011	29.21	29.62	28.63	29.47
4848	NYSE	BKH	Thu, Aug 25, 2011	29.69	29.77	28.73	29.39
4847	NYSE	BKH	Wed, Aug 24, 2011	29.27	29.80	29.17	29.54
4846	NYSE	BKH	Tue, Aug 23, 2011	28.43	29.26	28.20	29.25
4845	NYSE	BKH	Mon, Aug 22, 2011	29.00	29.00	28.14	28.31
4844	NYSE	BKH	Fri, Aug 19, 2011	28.28	28.97	28.02	28.46
4843	NYSE	BKH	Thu, Aug 18, 2011	28.63	28.96	28.40	28.61
4842	NYSE	BKH	Wed, Aug 17, 2011	29.52	29.95	29.23	29.31
4841	NYSE	BKH	Tue, Aug 16, 2011	29.40	29.61	29.02	29.38
4840	NYSE	BKH	Mon, Aug 15, 2011	29.31	30.15	29.29	30.04
4839	NYSE	BKH	Fri, Aug 12, 2011	29.75	29.91	28.84	29.10
4838	NYSE	BKH	Thu, Aug 11, 2011	28.02	29.98	27.89	29.57
4837	NYSE	BKH	Wed, Aug 10, 2011	27.63	28.56	27.41	27.91
4836	NYSE	BKH	Tue, Aug 9, 2011	27.50	28.24	25.83	28.13
4835	NYSE	BKH	Mon, Aug 8, 2011	28.11	28.76	26.61	26.61
4834	NYSE	BKH	Fri, Aug 5, 2011	28.42	29.77	28.37	28.80
4833	NYSE	BKH	Thu, Aug 4, 2011	29.11	29.34	28.21	28.21
4832	NYSE	BKH	Wed, Aug 3, 2011	29.26	29.53	28.92	29.45
4831	NYSE	BKH	Tue, Aug 2, 2011	29.84	29.91	29.23	29.26
4830	NYSE	BKH	Mon, Aug 1, 2011	30.15	30.21	29.84	29.94
4829	NYSE	BKH	Fri, Jul 29, 2011	29.97	30.20	29.75	29.88
4828	NYSE	BKH	Thu, Jul 28, 2011	30.42	30.49	30.09	30.16
4827	NYSE	BKH	Wed, Jul 27, 2011	30.76	30.84	30.42	30.49
4826	NYSE	BKH	Tue, Jul 26, 2011	30.80	30.89	30.63	30.80
4825	NYSE	BKH	Mon, Jul 25, 2011	30.60	30.98	30.53	30.81
4824	NYSE	BKH	Fri, Jul 22, 2011	30.99	30.99	30.78	30.84
4823	NYSE	BKH	Thu, Jul 21, 2011	30.69	31.08	30.52	31.02
4822	NYSE	BKH	Wed, Jul 20, 2011	30.20	30.60	30.02	30.54
4821	NYSE	BKH	Tue, Jul 19, 2011	29.99	30.28	29.78	30.25
4820	NYSE	BKH	Mon, Jul 18, 2011	30.35	30.43	29.87	29.90
4819	NYSE	BKH	Fri, Jul 15, 2011	30.55	30.74	30.31	30.47
4818	NYSE	BKH	Thu, Jul 14, 2011	31.01	31.08	30.40	30.50
4817	NYSE	BKH	Wed, Jul 13, 2011	30.91	31.05	30.76	30.90
4816	NYSE	BKH	Tue, Jul 12, 2011	30.20	30.95	30.15	30.72
4815	NYSE	BKH	Mon, Jul 11, 2011	29.90	30.21	29.84	30.20
4814	NYSE	BKH	Fri, Jul 8, 2011	30.27	30.46	30.22	30.25
4813	NYSE	BKH	Thu, Jul 7, 2011	30.61	30.66	30.32	30.52
4812	NYSE	BKH	Wed, Jul 6, 2011	30.07	30.57	30.07	30.40
4811	NYSE	BKH	Tue, Jul 5, 2011	30.45	30.48	29.97	30.18
4810	NYSE	BKH	Fri, Jul 1, 2011	30.15	30.56	30.13	30.53
4809	NYSE	BKH	Thu, Jun 30, 2011	30.34	30.34	30.06	30.09
4808	NYSE	BKH	Wed, Jun 29, 2011	30.36	30.38	30.19	30.32
4807	NYSE	BKH	Tue, Jun 28, 2011	30.00	30.42	30.00	30.30
4806	NYSE	BKH	Mon, Jun 27, 2011	30.02	30.20	29.91	29.99
4805	NYSE	BKH	Fri, Jun 24, 2011	30.18	30.52	29.89	29.92
4804	NYSE	BKH	Thu, Jun 23, 2011	30.04	30.22	29.74	30.19
4803	NYSE	BKH	Wed, Jun 22, 2011	30.30	30.57	30.18	30.30
4802	NYSE	BKH	Tue, Jun 21, 2011	30.45	30.56	30.10	30.31
4801	NYSE	BKH	Mon, Jun 20, 2011	30.13	30.37	29.98	30.34
4800	NYSE	BKH	Fri, Jun 17, 2011	30.29	30.61	29.90	30.11
4799	NYSE	BKH	Thu, Jun 16, 2011	29.74	30.19	29.72	30.15
4798	NYSE	BKH	Wed, Jun 15, 2011	29.72	29.97	29.58	29.71
4797	NYSE	BKH	Tue, Jun 14, 2011	29.48	30.06	29.14	29.90
4796	NYSE	BKH	Mon, Jun 13, 2011	29.35	29.53	29.08	29.33
4795	NYSE	BKH	Fri, Jun 10, 2011	29.03	29.44	28.55	29.16
4794	NYSE	BKH	Thu, Jun 9, 2011	29.28	29.30	28.12	28.21
4793	NYSE	BKH	Wed, Jun 8, 2011	29.41	29.58	29.24	29.28
4792	NYSE	BKH	Tue, Jun 7, 2011	29.54	29.66	29.37	29.40
4791	NYSE	BKH	Mon, Jun 6, 2011	29.60	29.89	29.47	29.48
4790	NYSE	BKH	Fri, Jun 3, 2011	29.89	30.13	29.80	29.82
4789	NYSE	BKH	Thu, Jun 2, 2011	30.44	30.44	30.17	30.25
4788	NYSE	BKH	Wed, Jun 1, 2011	31.00	31.06	30.44	30.46
4787	NYSE	BKH	Tue, May 31, 2011	30.88	31.02	30.76	31.02
4786	NYSE	BKH	Fri, May 27, 2011	30.50	30.83	30.50	30.66
4785	NYSE	BKH	Thu, May 26, 2011	30.36	30.62	30.29	30.49
4784	NYSE	BKH	Wed, May 25, 2011	30.15	30.67	29.92	30.44
4783	NYSE	BKH	Tue, May 24, 2011	30.25	30.29	30.10	30.17
4782	NYSE	BKH	Mon, May 23, 2011	30.20	30.58	30.19	30.20
4781	NYSE	BKH	Fri, May 20, 2011	30.69	30.96	30.54	30.70
4780	NYSE	BKH	Thu, May 19, 2011	30.75	30.92	30.58	30.79
4779	NYSE	BKH	Wed, May 18, 2011	30.90	30.97	30.63	30.70
4778	NYSE	BKH	Tue, May 17, 2011	30.74	30.98	30.74	30.80
4777	NYSE	BKH	Mon, May 16, 2011	31.33	31.33	30.85	30.85
4776	NYSE	BKH	Fri, May 13, 2011	32.00	32.06	31.60	31.69
4775	NYSE	BKH	Thu, May 12, 2011	31.79	32.13	31.58	32.04
4774	NYSE	BKH	Wed, May 11, 2011	31.87	33.00	31.58	31.88
4773	NYSE	BKH	Tue, May 10, 2011	34.20	34.63	34.18	34.63
4772	NYSE	BKH	Mon, May 9, 2011	34.00	34.19	33.78	34.15
4771	NYSE	BKH	Fri, May 6, 2011	34.14	34.48	33.88	34.04
4770	NYSE	BKH	Thu, May 5, 2011	34.07	34.08	33.30	33.81
4769	NYSE	BKH	Wed, May 4, 2011	34.55	34.57	34.08	34.20
4768	NYSE	BKH	Tue, May 3, 2011	34.54	34.83	34.54	34.61
4767	NYSE	BKH	Mon, May 2, 2011	34.79	34.84	34.55	34.57
4766	NYSE	BKH	Fri, Apr 29, 2011	34.85	34.85	34.60	34.75
4765	NYSE	BKH	Thu, Apr 28, 2011	34.32	34.80	34.32	34.80
4764	NYSE	BKH	Wed, Apr 27, 2011	33.87	34.50	33.87	34.45
4763	NYSE	BKH	Tue, Apr 26, 2011	33.42	33.97	33.37	33.91
4762	NYSE	BKH	Mon, Apr 25, 2011	33.24	33.45	33.15	33.40
4761	NYSE	BKH	Thu, Apr 21, 2011	33.31	33.37	33.13	33.36
4760	NYSE	BKH	Wed, Apr 20, 2011	33.15	33.33	32.96	33.19
4759	NYSE	BKH	Tue, Apr 19, 2011	32.72	32.85	32.49	32.64
4758	NYSE	BKH	Mon, Apr 18, 2011	32.66	32.83	32.41	32.70
4757	NYSE	BKH	Fri, Apr 15, 2011	32.54	33.11	32.39	32.98
4756	NYSE	BKH	Thu, Apr 14, 2011	32.62	32.67	32.16	32.44
4755	NYSE	BKH	Wed, Apr 13, 2011	33.08	33.26	32.46	32.66
4754	NYSE	BKH	Tue, Apr 12, 2011	33.09	33.35	32.92	32.94
4753	NYSE	BKH	Mon, Apr 11, 2011	33.60	33.60	33.12	33.26
4752	NYSE	BKH	Fri, Apr 8, 2011	33.82	33.86	33.30	33.48
4751	NYSE	BKH	Thu, Apr 7, 2011	34.05	34.15	33.57	33.63
4750	NYSE	BKH	Wed, Apr 6, 2011	34.24	34.34	34.08	34.13
4749	NYSE	BKH	Tue, Apr 5, 2011	34.08	34.42	34.08	34.18
4748	NYSE	BKH	Mon, Apr 4, 2011	34.06	34.22	33.92	34.22
4747	NYSE	BKH	Fri, Apr 1, 2011	33.59	34.28	33.55	34.00
4746	NYSE	BKH	Thu, Mar 31, 2011	33.51	33.64	33.38	33.44
4745	NYSE	BKH	Wed, Mar 30, 2011	33.25	33.61	33.21	33.47
4744	NYSE	BKH	Tue, Mar 29, 2011	32.84	33.33	32.72	33.11
4743	NYSE	BKH	Mon, Mar 28, 2011	33.00	33.25	32.77	32.79
4742	NYSE	BKH	Fri, Mar 25, 2011	32.52	33.21	32.36	32.85
4741	NYSE	BKH	Thu, Mar 24, 2011	32.38	32.53	32.11	32.36
4740	NYSE	BKH	Wed, Mar 23, 2011	32.27	32.27	31.96	32.18
4739	NYSE	BKH	Tue, Mar 22, 2011	32.50	32.61	32.24	32.24
4738	NYSE	BKH	Mon, Mar 21, 2011	31.94	32.45	31.94	32.42
4737	NYSE	BKH	Fri, Mar 18, 2011	31.44	32.00	31.37	31.62
4736	NYSE	BKH	Thu, Mar 17, 2011	31.19	31.32	30.68	31.14
4735	NYSE	BKH	Wed, Mar 16, 2011	31.23	31.27	30.71	30.79
4734	NYSE	BKH	Tue, Mar 15, 2011	31.09	31.62	31.09	31.30
4733	NYSE	BKH	Mon, Mar 14, 2011	31.94	32.12	31.58	31.90
4732	NYSE	BKH	Fri, Mar 11, 2011	31.88	32.28	31.69	32.11
4731	NYSE	BKH	Thu, Mar 10, 2011	32.02	32.13	31.62	31.93
4730	NYSE	BKH	Wed, Mar 9, 2011	31.93	32.42	31.92	32.33
4729	NYSE	BKH	Tue, Mar 8, 2011	31.03	32.33	30.97	32.07
4728	NYSE	BKH	Mon, Mar 7, 2011	31.42	31.59	30.82	30.99
4727	NYSE	BKH	Fri, Mar 4, 2011	31.53	31.59	30.97	31.26
4726	NYSE	BKH	Thu, Mar 3, 2011	30.94	31.58	30.75	31.46
4725	NYSE	BKH	Wed, Mar 2, 2011	30.67	30.74	30.45	30.66
4724	NYSE	BKH	Tue, Mar 1, 2011	31.00	31.20	30.56	30.58
4723	NYSE	BKH	Mon, Feb 28, 2011	30.80	31.22	30.73	30.82
4722	NYSE	BKH	Fri, Feb 25, 2011	30.16	30.66	30.08	30.62
4721	NYSE	BKH	Thu, Feb 24, 2011	30.25	30.27	29.76	30.08
4720	NYSE	BKH	Wed, Feb 23, 2011	30.58	30.61	30.10	30.16
4719	NYSE	BKH	Tue, Feb 22, 2011	30.58	30.88	30.50	30.53
4718	NYSE	BKH	Fri, Feb 18, 2011	30.78	30.89	30.62	30.75
4717	NYSE	BKH	Thu, Feb 17, 2011	30.36	30.78	30.36	30.71
4716	NYSE	BKH	Wed, Feb 16, 2011	30.51	30.59	30.28	30.39
4715	NYSE	BKH	Tue, Feb 15, 2011	30.20	30.58	30.20	30.47
4714	NYSE	BKH	Mon, Feb 14, 2011	30.79	30.80	30.22	30.30
4713	NYSE	BKH	Fri, Feb 11, 2011	30.45	30.53	30.27	30.51
4712	NYSE	BKH	Thu, Feb 10, 2011	30.31	30.74	30.31	30.74
4711	NYSE	BKH	Wed, Feb 9, 2011	30.31	30.59	30.21	30.30
4710	NYSE	BKH	Tue, Feb 8, 2011	30.32	30.46	30.18	30.25
4709	NYSE	BKH	Mon, Feb 7, 2011	30.62	30.62	30.20	30.29
4708	NYSE	BKH	Fri, Feb 4, 2011	31.32	31.32	30.25	30.48
4707	NYSE	BKH	Thu, Feb 3, 2011	31.56	31.67	31.04	31.28
4706	NYSE	BKH	Wed, Feb 2, 2011	31.76	31.86	31.46	31.52
4705	NYSE	BKH	Tue, Feb 1, 2011	31.20	31.87	31.20	31.78
4704	NYSE	BKH	Mon, Jan 31, 2011	30.94	31.31	30.86	31.01
4703	NYSE	BKH	Fri, Jan 28, 2011	31.50	31.52	30.70	30.77
4702	NYSE	BKH	Thu, Jan 27, 2011	31.22	31.50	31.20	31.38
4701	NYSE	BKH	Wed, Jan 26, 2011	31.19	31.47	31.05	31.18
4700	NYSE	BKH	Tue, Jan 25, 2011	30.73	31.12	30.56	31.12
4699	NYSE	BKH	Mon, Jan 24, 2011	30.50	30.95	30.44	30.78
4698	NYSE	BKH	Fri, Jan 21, 2011	30.76	30.85	30.36	30.44
4697	NYSE	BKH	Thu, Jan 20, 2011	30.85	31.13	30.59	30.68
4696	NYSE	BKH	Wed, Jan 19, 2011	31.10	31.24	30.88	30.91
4695	NYSE	BKH	Tue, Jan 18, 2011	30.91	31.16	30.66	31.15
4694	NYSE	BKH	Fri, Jan 14, 2011	30.68	30.94	30.62	30.92
4693	NYSE	BKH	Thu, Jan 13, 2011	30.89	30.93	30.62	30.66
4692	NYSE	BKH	Wed, Jan 12, 2011	31.04	31.17	30.70	30.84
4691	NYSE	BKH	Tue, Jan 11, 2011	31.00	31.12	30.76	30.82
4690	NYSE	BKH	Mon, Jan 10, 2011	30.84	31.06	30.46	31.00
4689	NYSE	BKH	Fri, Jan 7, 2011	30.88	30.94	30.33	30.93
4688	NYSE	BKH	Thu, Jan 6, 2011	30.78	30.83	30.58	30.80
4687	NYSE	BKH	Wed, Jan 5, 2011	30.69	30.79	30.45	30.75
4686	NYSE	BKH	Tue, Jan 4, 2011	30.38	30.78	30.10	30.69
4685	NYSE	BKH	Mon, Jan 3, 2011	30.30	30.60	30.06	30.42
4684	NYSE	BKH	Fri, Dec 31, 2010	30.35	30.37	29.99	30.00
4683	NYSE	BKH	Thu, Dec 30, 2010	30.39	30.50	30.30	30.34
4682	NYSE	BKH	Wed, Dec 29, 2010	30.49	30.49	30.28	30.36
4681	NYSE	BKH	Tue, Dec 28, 2010	30.45	30.50	30.16	30.48
4680	NYSE	BKH	Mon, Dec 27, 2010	30.56	30.56	30.34	30.42
4679	NYSE	BKH	Thu, Dec 23, 2010	30.54	30.80	30.42	30.60
4678	NYSE	BKH	Wed, Dec 22, 2010	30.53	30.80	30.45	30.47
4677	NYSE	BKH	Tue, Dec 21, 2010	30.51	30.68	30.27	30.45
4676	NYSE	BKH	Mon, Dec 20, 2010	30.60	30.60	30.31	30.39
4675	NYSE	BKH	Fri, Dec 17, 2010	30.67	30.67	30.05	30.50
4674	NYSE	BKH	Thu, Dec 16, 2010	30.32	30.62	30.12	30.62
4673	NYSE	BKH	Wed, Dec 15, 2010	30.90	30.95	30.33	30.35
4672	NYSE	BKH	Tue, Dec 14, 2010	30.74	31.06	30.71	30.89
4671	NYSE	BKH	Mon, Dec 13, 2010	30.91	30.92	30.47	30.63
4670	NYSE	BKH	Fri, Dec 10, 2010	30.80	30.90	30.53	30.84
4669	NYSE	BKH	Thu, Dec 9, 2010	30.67	30.81	30.43	30.71
4668	NYSE	BKH	Wed, Dec 8, 2010	29.65	30.52	29.64	30.44
4667	NYSE	BKH	Tue, Dec 7, 2010	29.88	30.16	29.32	29.56
4666	NYSE	BKH	Mon, Dec 6, 2010	30.16	30.56	29.55	29.62
4665	NYSE	BKH	Fri, Dec 3, 2010	29.85	30.17	29.50	30.09
4664	NYSE	BKH	Thu, Dec 2, 2010	31.10	31.15	29.72	29.91
4663	NYSE	BKH	Wed, Dec 1, 2010	30.80	31.40	30.47	31.04
4662	NYSE	BKH	Tue, Nov 30, 2010	30.45	30.45	30.05	30.35
4661	NYSE	BKH	Mon, Nov 29, 2010	30.76	30.80	30.29	30.74
4660	NYSE	BKH	Fri, Nov 26, 2010	30.87	31.03	30.74	30.92
4659	NYSE	BKH	Wed, Nov 24, 2010	30.70	31.20	30.67	31.04
4658	NYSE	BKH	Tue, Nov 23, 2010	29.76	30.58	29.69	30.56
4657	NYSE	BKH	Mon, Nov 22, 2010	29.48	30.16	29.48	30.12
4656	NYSE	BKH	Fri, Nov 19, 2010	29.50	29.69	29.40	29.52
4655	NYSE	BKH	Thu, Nov 18, 2010	29.99	29.99	29.52	29.69
4654	NYSE	BKH	Wed, Nov 17, 2010	29.59	29.76	29.40	29.58
4653	NYSE	BKH	Tue, Nov 16, 2010	29.63	29.63	29.34	29.50
4652	NYSE	BKH	Mon, Nov 15, 2010	29.61	29.99	29.41	29.79
4651	NYSE	BKH	Fri, Nov 12, 2010	29.59	30.12	29.55	29.71
4650	NYSE	BKH	Thu, Nov 11, 2010	29.89	30.23	29.67	29.97
4649	NYSE	BKH	Wed, Nov 10, 2010	31.73	31.83	30.83	31.00
4648	NYSE	BKH	Tue, Nov 9, 2010	32.39	32.45	31.89	31.99
4647	NYSE	BKH	Mon, Nov 8, 2010	32.69	32.76	32.06	32.29
4646	NYSE	BKH	Fri, Nov 5, 2010	32.71	32.84	32.61	32.72
4645	NYSE	BKH	Thu, Nov 4, 2010	32.71	33.00	32.61	32.70
4644	NYSE	BKH	Wed, Nov 3, 2010	32.36	32.69	31.83	32.32
4643	NYSE	BKH	Tue, Nov 2, 2010	32.21	32.36	31.99	32.25
4642	NYSE	BKH	Mon, Nov 1, 2010	32.08	32.34	31.70	31.92
4641	NYSE	BKH	Fri, Oct 29, 2010	31.95	32.78	31.69	31.84
4640	NYSE	BKH	Thu, Oct 28, 2010	32.25	32.43	31.77	31.93
4639	NYSE	BKH	Wed, Oct 27, 2010	32.19	32.48	31.68	31.97
4638	NYSE	BKH	Tue, Oct 26, 2010	32.45	32.77	32.34	32.52
4637	NYSE	BKH	Mon, Oct 25, 2010	32.95	32.95	32.47	32.58
4636	NYSE	BKH	Fri, Oct 22, 2010	32.75	32.81	32.47	32.78
4635	NYSE	BKH	Thu, Oct 21, 2010	33.06	33.42	32.36	32.60
4634	NYSE	BKH	Wed, Oct 20, 2010	32.69	33.15	32.69	32.97
4633	NYSE	BKH	Tue, Oct 19, 2010	32.56	33.00	32.35	32.50
4632	NYSE	BKH	Mon, Oct 18, 2010	32.72	33.07	32.72	32.93
4631	NYSE	BKH	Fri, Oct 15, 2010	32.78	32.99	32.56	32.66
4630	NYSE	BKH	Thu, Oct 14, 2010	32.44	32.76	32.42	32.59
4629	NYSE	BKH	Wed, Oct 13, 2010	32.29	32.76	32.16	32.41
4628	NYSE	BKH	Tue, Oct 12, 2010	32.30	32.36	32.00	32.15
4627	NYSE	BKH	Mon, Oct 11, 2010	32.49	32.65	32.29	32.29
4626	NYSE	BKH	Fri, Oct 8, 2010	32.28	32.62	32.11	32.44
4625	NYSE	BKH	Thu, Oct 7, 2010	32.62	32.79	32.21	32.26
4624	NYSE	BKH	Wed, Oct 6, 2010	32.27	32.53	32.08	32.39
4623	NYSE	BKH	Tue, Oct 5, 2010	32.02	32.31	31.81	32.25
4622	NYSE	BKH	Mon, Oct 4, 2010	31.58	32.02	31.50	31.63
4621	NYSE	BKH	Fri, Oct 1, 2010	31.49	31.84	31.36	31.68
4620	NYSE	BKH	Thu, Sep 30, 2010	31.48	31.90	31.18	31.20
4619	NYSE	BKH	Wed, Sep 29, 2010	31.16	31.35	31.00	31.20
4618	NYSE	BKH	Tue, Sep 28, 2010	31.01	31.21	30.51	31.18
4617	NYSE	BKH	Mon, Sep 27, 2010	30.68	31.09	30.59	31.02
4616	NYSE	BKH	Fri, Sep 24, 2010	30.42	30.72	30.12	30.71
4615	NYSE	BKH	Thu, Sep 23, 2010	30.12	30.54	29.93	29.98
4614	NYSE	BKH	Wed, Sep 22, 2010	30.36	30.87	30.24	30.26
4613	NYSE	BKH	Tue, Sep 21, 2010	30.53	30.98	30.30	30.45
4612	NYSE	BKH	Mon, Sep 20, 2010	30.19	30.59	29.99	30.56
4611	NYSE	BKH	Fri, Sep 17, 2010	30.53	30.59	29.80	30.16
4610	NYSE	BKH	Thu, Sep 16, 2010	30.75	30.75	30.07	30.29
4609	NYSE	BKH	Wed, Sep 15, 2010	30.86	30.96	30.44	30.74
4608	NYSE	BKH	Tue, Sep 14, 2010	30.74	31.08	30.65	30.98
4607	NYSE	BKH	Mon, Sep 13, 2010	30.53	31.02	30.29	30.73
4606	NYSE	BKH	Fri, Sep 10, 2010	30.54	30.72	30.19	30.31
4605	NYSE	BKH	Thu, Sep 9, 2010	30.10	30.50	30.02	30.36
4604	NYSE	BKH	Wed, Sep 8, 2010	30.54	30.76	29.70	29.81
4603	NYSE	BKH	Tue, Sep 7, 2010	31.01	31.10	30.35	30.40
4602	NYSE	BKH	Fri, Sep 3, 2010	31.52	31.62	30.76	31.01
4601	NYSE	BKH	Thu, Sep 2, 2010	31.44	31.49	30.77	31.08
4600	NYSE	BKH	Wed, Sep 1, 2010	30.82	31.53	30.62	31.33
4599	NYSE	BKH	Tue, Aug 31, 2010	30.22	30.69	29.88	30.43
4598	NYSE	BKH	Mon, Aug 30, 2010	30.82	30.86	30.21	30.22
4597	NYSE	BKH	Fri, Aug 27, 2010	30.48	30.97	29.90	30.91
4596	NYSE	BKH	Thu, Aug 26, 2010	30.23	30.83	30.16	30.28
4595	NYSE	BKH	Wed, Aug 25, 2010	29.51	30.12	29.18	30.05
4594	NYSE	BKH	Tue, Aug 24, 2010	29.69	30.14	29.44	29.80
4593	NYSE	BKH	Mon, Aug 23, 2010	30.30	30.69	29.99	30.02
4592	NYSE	BKH	Fri, Aug 20, 2010	30.34	30.41	29.62	30.18
4591	NYSE	BKH	Thu, Aug 19, 2010	31.42	31.42	30.48	30.52
4590	NYSE	BKH	Wed, Aug 18, 2010	31.49	31.67	31.10	31.63
4589	NYSE	BKH	Tue, Aug 17, 2010	31.11	31.73	30.82	31.45
4588	NYSE	BKH	Mon, Aug 16, 2010	30.80	31.01	30.48	30.79
4587	NYSE	BKH	Fri, Aug 13, 2010	31.03	31.57	30.83	31.20
4586	NYSE	BKH	Thu, Aug 12, 2010	31.16	31.40	30.92	31.07
4585	NYSE	BKH	Wed, Aug 11, 2010	32.00	32.23	31.61	31.65
4584	NYSE	BKH	Tue, Aug 10, 2010	32.54	32.92	32.16	32.70
4583	NYSE	BKH	Mon, Aug 9, 2010	32.98	33.31	32.72	32.95
4582	NYSE	BKH	Fri, Aug 6, 2010	32.25	32.75	31.18	32.63
4581	NYSE	BKH	Thu, Aug 5, 2010	32.25	32.73	32.13	32.57
4580	NYSE	BKH	Wed, Aug 4, 2010	32.32	32.44	32.10	32.40
4579	NYSE	BKH	Tue, Aug 3, 2010	31.89	32.53	31.79	32.18
4578	NYSE	BKH	Mon, Aug 2, 2010	32.47	32.60	31.94	32.11
4577	NYSE	BKH	Fri, Jul 30, 2010	31.76	32.26	31.69	31.92
4576	NYSE	BKH	Thu, Jul 29, 2010	32.98	33.04	31.67	32.25
4575	NYSE	BKH	Wed, Jul 28, 2010	33.13	33.27	32.60	32.66
4574	NYSE	BKH	Tue, Jul 27, 2010	32.75	33.14	32.58	33.12
4573	NYSE	BKH	Mon, Jul 26, 2010	31.77	32.55	31.77	32.49
4572	NYSE	BKH	Fri, Jul 23, 2010	30.93	32.00	30.82	31.87
4571	NYSE	BKH	Thu, Jul 22, 2010	30.33	31.20	30.21	31.11
4570	NYSE	BKH	Wed, Jul 21, 2010	30.41	30.57	29.81	29.88
4569	NYSE	BKH	Tue, Jul 20, 2010	29.03	30.33	28.96	30.27
4568	NYSE	BKH	Mon, Jul 19, 2010	29.32	29.50	28.85	29.47
4567	NYSE	BKH	Fri, Jul 16, 2010	30.15	30.15	29.18	29.19
4566	NYSE	BKH	Thu, Jul 15, 2010	30.77	30.88	30.08	30.39
4565	NYSE	BKH	Wed, Jul 14, 2010	30.62	30.85	30.32	30.74
4564	NYSE	BKH	Tue, Jul 13, 2010	30.63	30.73	30.10	30.67
4563	NYSE	BKH	Mon, Jul 12, 2010	30.20	30.37	30.03	30.17
4562	NYSE	BKH	Fri, Jul 9, 2010	30.19	30.35	30.01	30.26
4561	NYSE	BKH	Thu, Jul 8, 2010	29.47	30.35	29.30	30.16
4560	NYSE	BKH	Wed, Jul 7, 2010	28.43	29.24	28.34	29.21
4559	NYSE	BKH	Tue, Jul 6, 2010	28.81	28.99	28.05	28.30
4558	NYSE	BKH	Fri, Jul 2, 2010	28.32	28.52	28.11	28.36
4557	NYSE	BKH	Thu, Jul 1, 2010	28.38	28.64	27.79	28.17
4556	NYSE	BKH	Wed, Jun 30, 2010	29.03	29.28	28.40	28.47
4555	NYSE	BKH	Tue, Jun 29, 2010	29.15	29.37	28.65	28.96
4554	NYSE	BKH	Mon, Jun 28, 2010	29.31	29.64	28.95	29.44
4553	NYSE	BKH	Fri, Jun 25, 2010	28.91	29.29	28.54	29.18
4552	NYSE	BKH	Thu, Jun 24, 2010	28.68	29.22	28.47	28.85
4551	NYSE	BKH	Wed, Jun 23, 2010	29.11	29.17	28.56	28.74
4550	NYSE	BKH	Tue, Jun 22, 2010	29.75	30.15	29.07	29.11
4549	NYSE	BKH	Mon, Jun 21, 2010	30.38	30.41	29.63	29.79
4548	NYSE	BKH	Fri, Jun 18, 2010	30.19	30.22	29.63	29.99
4547	NYSE	BKH	Thu, Jun 17, 2010	30.11	30.11	29.62	30.02
4546	NYSE	BKH	Wed, Jun 16, 2010	29.65	30.26	29.48	29.93
4545	NYSE	BKH	Tue, Jun 15, 2010	29.20	29.84	29.13	29.80
4544	NYSE	BKH	Mon, Jun 14, 2010	28.99	29.58	28.76	29.08
4543	NYSE	BKH	Fri, Jun 11, 2010	28.50	28.86	28.33	28.68
4542	NYSE	BKH	Thu, Jun 10, 2010	28.08	28.68	28.08	28.68
4541	NYSE	BKH	Wed, Jun 9, 2010	28.12	28.18	27.50	27.62
4540	NYSE	BKH	Tue, Jun 8, 2010	27.70	27.96	27.45	27.84
4539	NYSE	BKH	Mon, Jun 7, 2010	28.19	28.50	27.71	27.71
4538	NYSE	BKH	Fri, Jun 4, 2010	28.97	29.05	28.05	28.09
4537	NYSE	BKH	Thu, Jun 3, 2010	28.62	29.53	28.62	29.42
4536	NYSE	BKH	Wed, Jun 2, 2010	27.94	28.79	27.72	28.79
4535	NYSE	BKH	Tue, Jun 1, 2010	28.59	28.79	27.93	27.94
4534	NYSE	BKH	Fri, May 28, 2010	28.45	29.01	28.45	28.69
4533	NYSE	BKH	Thu, May 27, 2010	28.60	28.71	28.24	28.54
4532	NYSE	BKH	Wed, May 26, 2010	28.07	28.56	27.85	27.91
4531	NYSE	BKH	Tue, May 25, 2010	28.09	28.13	27.34	28.02
4530	NYSE	BKH	Mon, May 24, 2010	28.99	29.23	28.47	28.76
4529	NYSE	BKH	Fri, May 21, 2010	28.56	29.03	27.98	29.00
4528	NYSE	BKH	Thu, May 20, 2010	29.58	29.79	28.90	28.99
4527	NYSE	BKH	Wed, May 19, 2010	30.24	30.51	29.43	30.26
4526	NYSE	BKH	Tue, May 18, 2010	31.45	31.47	30.28	30.40
4525	NYSE	BKH	Mon, May 17, 2010	30.96	31.17	30.16	30.95
4524	NYSE	BKH	Fri, May 14, 2010	31.27	31.27	30.50	30.76
4523	NYSE	BKH	Thu, May 13, 2010	32.12	32.12	30.97	31.51
4522	NYSE	BKH	Wed, May 12, 2010	31.01	31.59	30.75	31.35
4521	NYSE	BKH	Tue, May 11, 2010	30.54	31.55	30.43	30.98
4520	NYSE	BKH	Mon, May 10, 2010	30.97	30.97	29.87	30.70
4519	NYSE	BKH	Fri, May 7, 2010	31.13	31.36	29.22	29.38
4518	NYSE	BKH	Thu, May 6, 2010	32.74	32.75	28.90	31.25
4517	NYSE	BKH	Wed, May 5, 2010	33.13	33.39	32.55	32.75
4516	NYSE	BKH	Tue, May 4, 2010	33.79	34.04	33.10	33.26
4515	NYSE	BKH	Mon, May 3, 2010	33.13	34.49	32.95	34.11
4514	NYSE	BKH	Fri, Apr 30, 2010	33.22	33.53	32.85	32.89
4513	NYSE	BKH	Thu, Apr 29, 2010	32.85	33.41	32.49	33.10
4512	NYSE	BKH	Wed, Apr 28, 2010	32.76	33.03	32.35	32.60
4511	NYSE	BKH	Tue, Apr 27, 2010	32.70	33.21	32.28	32.61
4510	NYSE	BKH	Mon, Apr 26, 2010	32.57	33.38	32.57	32.76
4509	NYSE	BKH	Fri, Apr 23, 2010	32.00	32.71	31.75	32.65
4508	NYSE	BKH	Thu, Apr 22, 2010	31.61	32.00	31.49	31.97
4507	NYSE	BKH	Wed, Apr 21, 2010	31.85	31.95	31.64	31.76
4506	NYSE	BKH	Tue, Apr 20, 2010	31.49	31.80	31.30	31.80
4505	NYSE	BKH	Mon, Apr 19, 2010	31.77	31.79	31.25	31.30
4504	NYSE	BKH	Fri, Apr 16, 2010	31.75	31.99	31.56	31.84
4503	NYSE	BKH	Thu, Apr 15, 2010	31.78	31.83	31.52	31.76
4502	NYSE	BKH	Wed, Apr 14, 2010	31.90	31.90	31.54	31.73
4501	NYSE	BKH	Tue, Apr 13, 2010	31.64	31.75	31.34	31.64
4500	NYSE	BKH	Mon, Apr 12, 2010	31.95	31.97	31.64	31.75
4499	NYSE	BKH	Fri, Apr 9, 2010	31.65	31.89	31.30	31.87
4498	NYSE	BKH	Thu, Apr 8, 2010	31.68	31.83	31.59	31.65
4497	NYSE	BKH	Wed, Apr 7, 2010	31.65	32.00	31.60	31.69
4496	NYSE	BKH	Tue, Apr 6, 2010	31.01	31.99	30.96	31.85
4495	NYSE	BKH	Mon, Apr 5, 2010	31.03	31.73	30.83	31.19
4494	NYSE	BKH	Thu, Apr 1, 2010	30.35	30.85	30.28	30.85
4493	NYSE	BKH	Wed, Mar 31, 2010	30.59	30.61	30.26	30.35
4492	NYSE	BKH	Tue, Mar 30, 2010	30.46	30.83	30.22	30.69
4491	NYSE	BKH	Mon, Mar 29, 2010	30.04	30.42	29.91	30.40
4490	NYSE	BKH	Fri, Mar 26, 2010	29.99	30.13	29.75	30.04
4489	NYSE	BKH	Thu, Mar 25, 2010	30.16	30.56	29.86	29.90
4488	NYSE	BKH	Wed, Mar 24, 2010	30.03	30.47	30.00	30.13
4487	NYSE	BKH	Tue, Mar 23, 2010	29.59	30.00	29.50	30.00
4486	NYSE	BKH	Mon, Mar 22, 2010	29.17	29.63	29.06	29.63
4485	NYSE	BKH	Fri, Mar 19, 2010	29.54	29.79	29.10	29.43
4484	NYSE	BKH	Thu, Mar 18, 2010	29.56	29.70	29.33	29.49
4483	NYSE	BKH	Wed, Mar 17, 2010	29.32	29.53	29.14	29.51
4482	NYSE	BKH	Tue, Mar 16, 2010	28.85	29.27	28.69	29.21
4481	NYSE	BKH	Mon, Mar 15, 2010	29.09	29.13	28.64	28.87
4480	NYSE	BKH	Fri, Mar 12, 2010	29.34	29.47	28.90	29.09
4479	NYSE	BKH	Thu, Mar 11, 2010	28.85	29.35	28.55	29.32
4478	NYSE	BKH	Wed, Mar 10, 2010	28.71	28.95	28.56	28.91
4477	NYSE	BKH	Tue, Mar 9, 2010	28.66	28.80	28.53	28.74
4476	NYSE	BKH	Mon, Mar 8, 2010	28.54	28.83	28.52	28.67
4475	NYSE	BKH	Fri, Mar 5, 2010	28.71	28.84	28.50	28.54
4474	NYSE	BKH	Thu, Mar 4, 2010	28.65	28.74	28.38	28.62
4473	NYSE	BKH	Wed, Mar 3, 2010	28.57	28.86	28.39	28.52
4472	NYSE	BKH	Tue, Mar 2, 2010	28.29	28.54	28.24	28.47
4471	NYSE	BKH	Mon, Mar 1, 2010	27.95	28.28	27.88	28.18
4470	NYSE	BKH	Fri, Feb 26, 2010	28.06	28.10	27.72	27.87
4469	NYSE	BKH	Thu, Feb 25, 2010	27.83	28.06	27.60	28.02
4468	NYSE	BKH	Wed, Feb 24, 2010	28.09	28.24	27.88	28.05
4467	NYSE	BKH	Tue, Feb 23, 2010	28.08	28.21	27.90	28.03
4466	NYSE	BKH	Mon, Feb 22, 2010	27.91	28.16	27.89	28.14
4465	NYSE	BKH	Fri, Feb 19, 2010	27.20	27.92	27.15	27.89
4464	NYSE	BKH	Thu, Feb 18, 2010	26.98	27.43	26.96	27.17
4463	NYSE	BKH	Wed, Feb 17, 2010	26.86	26.92	26.55	26.91
4462	NYSE	BKH	Tue, Feb 16, 2010	26.13	26.73	26.03	26.73
4461	NYSE	BKH	Fri, Feb 12, 2010	25.97	26.11	25.80	26.02
4460	NYSE	BKH	Thu, Feb 11, 2010	25.75	26.14	25.68	26.12
4459	NYSE	BKH	Wed, Feb 10, 2010	26.24	26.24	25.79	25.86
4458	NYSE	BKH	Tue, Feb 9, 2010	26.38	26.78	26.07	26.37
4457	NYSE	BKH	Mon, Feb 8, 2010	26.19	26.37	26.01	26.17
4456	NYSE	BKH	Fri, Feb 5, 2010	26.00	26.34	25.65	26.15
4455	NYSE	BKH	Thu, Feb 4, 2010	26.41	26.60	25.91	26.02
4454	NYSE	BKH	Wed, Feb 3, 2010	26.57	26.62	26.22	26.49
4453	NYSE	BKH	Tue, Feb 2, 2010	26.26	26.76	25.91	26.74
4452	NYSE	BKH	Mon, Feb 1, 2010	26.11	26.38	26.00	26.11
4451	NYSE	BKH	Fri, Jan 29, 2010	26.40	26.80	25.97	25.98
4450	NYSE	BKH	Thu, Jan 28, 2010	26.29	26.79	25.91	26.48
4449	NYSE	BKH	Wed, Jan 27, 2010	26.10	26.40	25.92	26.29
4448	NYSE	BKH	Tue, Jan 26, 2010	26.22	26.61	26.16	26.27
4447	NYSE	BKH	Mon, Jan 25, 2010	26.30	26.42	25.91	26.22
4446	NYSE	BKH	Fri, Jan 22, 2010	26.60	26.68	26.12	26.18
4445	NYSE	BKH	Thu, Jan 21, 2010	26.76	27.26	26.26	26.55
4444	NYSE	BKH	Wed, Jan 20, 2010	27.03	27.13	26.66	26.89
4443	NYSE	BKH	Tue, Jan 19, 2010	26.88	27.25	26.70	27.11
4442	NYSE	BKH	Fri, Jan 15, 2010	26.75	26.91	26.53	26.88
4441	NYSE	BKH	Thu, Jan 14, 2010	26.70	26.86	26.58	26.74
4440	NYSE	BKH	Wed, Jan 13, 2010	26.66	26.89	26.44	26.84
4439	NYSE	BKH	Tue, Jan 12, 2010	26.44	26.72	26.34	26.52
4438	NYSE	BKH	Mon, Jan 11, 2010	26.60	26.82	26.48	26.67
4437	NYSE	BKH	Fri, Jan 8, 2010	26.28	26.46	25.89	26.41
4436	NYSE	BKH	Thu, Jan 7, 2010	26.20	26.33	25.70	26.28
4435	NYSE	BKH	Wed, Jan 6, 2010	26.03	26.56	25.96	26.24
4434	NYSE	BKH	Tue, Jan 5, 2010	26.85	26.90	25.95	26.14
4433	NYSE	BKH	Mon, Jan 4, 2010	26.76	27.24	26.69	26.89
4432	NYSE	BKH	Thu, Dec 31, 2009	27.45	27.50	26.61	26.63
4431	NYSE	BKH	Wed, Dec 30, 2009	27.61	27.98	27.24	27.47
4430	NYSE	BKH	Tue, Dec 29, 2009	27.58	27.89	27.57	27.82
4429	NYSE	BKH	Mon, Dec 28, 2009	27.40	27.59	27.33	27.58
4428	NYSE	BKH	Thu, Dec 24, 2009	27.51	27.88	27.29	27.32
4427	NYSE	BKH	Wed, Dec 23, 2009	27.05	27.46	26.90	27.43
4426	NYSE	BKH	Tue, Dec 22, 2009	27.06	27.28	26.96	27.05
4425	NYSE	BKH	Mon, Dec 21, 2009	26.50	27.25	26.50	26.91
4424	NYSE	BKH	Fri, Dec 18, 2009	26.84	27.21	26.31	26.50
4423	NYSE	BKH	Thu, Dec 17, 2009	26.40	26.65	25.95	26.62
4422	NYSE	BKH	Wed, Dec 16, 2009	26.24	26.52	25.95	26.50
4421	NYSE	BKH	Tue, Dec 15, 2009	26.45	26.50	25.94	26.15
4420	NYSE	BKH	Mon, Dec 14, 2009	26.20	26.45	26.00	26.42
4419	NYSE	BKH	Fri, Dec 11, 2009	25.51	26.07	25.50	26.00
4418	NYSE	BKH	Thu, Dec 10, 2009	25.47	26.06	25.35	25.49
4417	NYSE	BKH	Wed, Dec 9, 2009	25.21	25.36	25.00	25.32
4416	NYSE	BKH	Tue, Dec 8, 2009	24.99	25.62	24.84	25.17
4415	NYSE	BKH	Mon, Dec 7, 2009	24.21	25.15	24.19	25.07
4414	NYSE	BKH	Fri, Dec 4, 2009	24.41	24.48	23.90	24.18
4413	NYSE	BKH	Thu, Dec 3, 2009	24.32	24.43	24.04	24.08
4412	NYSE	BKH	Wed, Dec 2, 2009	23.96	24.30	23.70	24.21
4411	NYSE	BKH	Tue, Dec 1, 2009	23.71	24.02	23.62	23.88
4410	NYSE	BKH	Mon, Nov 30, 2009	23.58	23.67	23.29	23.57
4409	NYSE	BKH	Fri, Nov 27, 2009	23.52	23.90	23.35	23.67
4408	NYSE	BKH	Wed, Nov 25, 2009	24.10	24.27	23.79	24.09
4407	NYSE	BKH	Tue, Nov 24, 2009	23.84	24.03	23.60	23.98
4406	NYSE	BKH	Mon, Nov 23, 2009	23.66	23.95	23.58	23.84
4405	NYSE	BKH	Fri, Nov 20, 2009	23.43	23.59	23.16	23.54
4404	NYSE	BKH	Thu, Nov 19, 2009	24.00	24.20	23.34	23.58
4403	NYSE	BKH	Wed, Nov 18, 2009	24.13	24.31	24.00	24.25
4402	NYSE	BKH	Tue, Nov 17, 2009	23.95	24.31	23.88	24.20
4401	NYSE	BKH	Mon, Nov 16, 2009	23.93	24.17	23.92	24.14
4400	NYSE	BKH	Fri, Nov 13, 2009	23.91	24.04	23.67	23.92
4399	NYSE	BKH	Thu, Nov 12, 2009	24.58	24.69	24.15	24.31
4398	NYSE	BKH	Wed, Nov 11, 2009	24.55	24.66	24.25	24.52
4397	NYSE	BKH	Tue, Nov 10, 2009	24.17	24.50	24.12	24.44
4396	NYSE	BKH	Mon, Nov 9, 2009	24.14	24.24	23.92	24.22
4395	NYSE	BKH	Fri, Nov 6, 2009	23.88	24.25	23.71	23.92
4394	NYSE	BKH	Thu, Nov 5, 2009	23.59	24.15	23.46	24.02
4393	NYSE	BKH	Wed, Nov 4, 2009	23.76	23.76	23.42	23.49
4392	NYSE	BKH	Tue, Nov 3, 2009	23.53	23.84	23.48	23.62
4391	NYSE	BKH	Mon, Nov 2, 2009	24.50	24.53	23.28	23.71
4390	NYSE	BKH	Fri, Oct 30, 2009	24.95	25.04	24.10	24.37
4389	NYSE	BKH	Thu, Oct 29, 2009	25.09	25.47	24.81	25.24
4388	NYSE	BKH	Wed, Oct 28, 2009	25.10	25.30	24.96	25.01
4387	NYSE	BKH	Tue, Oct 27, 2009	25.12	25.35	24.90	25.09
4386	NYSE	BKH	Mon, Oct 26, 2009	25.30	25.68	24.79	25.05
4385	NYSE	BKH	Fri, Oct 23, 2009	25.83	25.83	25.20	25.29
4384	NYSE	BKH	Thu, Oct 22, 2009	25.18	25.72	24.94	25.69
4383	NYSE	BKH	Wed, Oct 21, 2009	25.29	25.87	25.18	25.22
4382	NYSE	BKH	Tue, Oct 20, 2009	25.98	26.00	25.20	25.38
4381	NYSE	BKH	Mon, Oct 19, 2009	25.76	25.98	25.44	25.90
4380	NYSE	BKH	Fri, Oct 16, 2009	25.75	25.81	25.41	25.66
4379	NYSE	BKH	Thu, Oct 15, 2009	25.57	25.88	25.34	25.84
4378	NYSE	BKH	Wed, Oct 14, 2009	25.44	25.74	25.27	25.63
4377	NYSE	BKH	Tue, Oct 13, 2009	25.05	25.39	25.05	25.23
4376	NYSE	BKH	Mon, Oct 12, 2009	25.32	25.32	25.05	25.18
4375	NYSE	BKH	Fri, Oct 9, 2009	24.96	25.34	24.84	25.14
4374	NYSE	BKH	Thu, Oct 8, 2009	25.09	25.13	24.83	24.92
4373	NYSE	BKH	Wed, Oct 7, 2009	24.97	25.12	24.81	24.92
4372	NYSE	BKH	Tue, Oct 6, 2009	24.90	25.00	24.60	25.00
4371	NYSE	BKH	Mon, Oct 5, 2009	24.45	24.75	24.25	24.67
4370	NYSE	BKH	Fri, Oct 2, 2009	24.60	24.87	24.17	24.29
4369	NYSE	BKH	Thu, Oct 1, 2009	25.20	25.29	24.69	24.71
4368	NYSE	BKH	Wed, Sep 30, 2009	25.50	25.54	25.14	25.17
4367	NYSE	BKH	Tue, Sep 29, 2009	25.31	25.63	24.88	25.50
4366	NYSE	BKH	Mon, Sep 28, 2009	25.06	25.41	25.04	25.18
4365	NYSE	BKH	Fri, Sep 25, 2009	25.01	25.12	24.84	24.99
4364	NYSE	BKH	Thu, Sep 24, 2009	25.57	25.57	25.01	25.16
4363	NYSE	BKH	Wed, Sep 23, 2009	25.75	25.96	25.47	25.48
4362	NYSE	BKH	Tue, Sep 22, 2009	25.84	25.85	25.42	25.57
4361	NYSE	BKH	Mon, Sep 21, 2009	25.84	25.99	25.61	25.66
4360	NYSE	BKH	Fri, Sep 18, 2009	25.56	26.20	25.24	25.94
4359	NYSE	BKH	Thu, Sep 17, 2009	25.45	25.63	25.33	25.51
4358	NYSE	BKH	Wed, Sep 16, 2009	25.00	25.34	24.85	25.32
4357	NYSE	BKH	Tue, Sep 15, 2009	24.82	25.07	24.65	25.00
4356	NYSE	BKH	Mon, Sep 14, 2009	24.29	24.73	24.29	24.71
4355	NYSE	BKH	Fri, Sep 11, 2009	24.37	24.53	24.30	24.50
4354	NYSE	BKH	Thu, Sep 10, 2009	24.65	24.71	24.28	24.43
4353	NYSE	BKH	Wed, Sep 9, 2009	24.59	24.83	24.41	24.60
4352	NYSE	BKH	Tue, Sep 8, 2009	24.61	24.75	24.14	24.53
4351	NYSE	BKH	Fri, Sep 4, 2009	24.32	24.45	23.85	24.38
4350	NYSE	BKH	Thu, Sep 3, 2009	24.95	24.97	24.03	24.37
4349	NYSE	BKH	Wed, Sep 2, 2009	25.34	25.44	24.82	24.98
4348	NYSE	BKH	Tue, Sep 1, 2009	25.58	25.72	25.09	25.44
4347	NYSE	BKH	Mon, Aug 31, 2009	26.03	26.08	25.50	25.58
4346	NYSE	BKH	Fri, Aug 28, 2009	26.59	26.66	25.91	26.16
4345	NYSE	BKH	Thu, Aug 27, 2009	26.68	26.68	26.15	26.42
4344	NYSE	BKH	Wed, Aug 26, 2009	26.70	26.73	26.41	26.62
4343	NYSE	BKH	Tue, Aug 25, 2009	26.77	27.02	26.66	26.69
4342	NYSE	BKH	Mon, Aug 24, 2009	27.04	27.12	26.49	26.61
4341	NYSE	BKH	Fri, Aug 21, 2009	26.49	26.94	26.45	26.90
4340	NYSE	BKH	Thu, Aug 20, 2009	25.94	26.25	25.85	26.24
4339	NYSE	BKH	Wed, Aug 19, 2009	25.86	26.22	25.81	25.95
4338	NYSE	BKH	Tue, Aug 18, 2009	26.08	26.18	25.74	26.00
4337	NYSE	BKH	Mon, Aug 17, 2009	25.64	26.27	25.64	25.91
4336	NYSE	BKH	Fri, Aug 14, 2009	26.21	26.61	25.71	26.00
4335	NYSE	BKH	Thu, Aug 13, 2009	26.64	26.66	26.23	26.49
4334	NYSE	BKH	Wed, Aug 12, 2009	26.28	26.65	26.02	26.47
4333	NYSE	BKH	Tue, Aug 11, 2009	25.97	26.40	25.91	26.27
4332	NYSE	BKH	Mon, Aug 10, 2009	26.10	26.19	25.66	26.11
4331	NYSE	BKH	Fri, Aug 7, 2009	26.13	27.00	25.79	26.22
4330	NYSE	BKH	Thu, Aug 6, 2009	26.19	26.38	25.90	26.07
4329	NYSE	BKH	Wed, Aug 5, 2009	26.34	26.39	25.76	26.23
4328	NYSE	BKH	Tue, Aug 4, 2009	26.26	26.42	26.15	26.25
4327	NYSE	BKH	Mon, Aug 3, 2009	26.11	26.43	25.56	26.40
4326	NYSE	BKH	Fri, Jul 31, 2009	26.09	26.33	25.81	26.01
4325	NYSE	BKH	Thu, Jul 30, 2009	25.98	26.21	25.65	26.10
4324	NYSE	BKH	Wed, Jul 29, 2009	25.77	25.99	25.44	25.70
4323	NYSE	BKH	Tue, Jul 28, 2009	25.99	26.09	25.52	25.79
4322	NYSE	BKH	Mon, Jul 27, 2009	25.87	26.17	25.73	25.99
4321	NYSE	BKH	Fri, Jul 24, 2009	25.10	25.87	25.05	25.73
4320	NYSE	BKH	Thu, Jul 23, 2009	24.44	25.44	24.41	25.28
4319	NYSE	BKH	Wed, Jul 22, 2009	24.41	24.62	24.25	24.44
4318	NYSE	BKH	Tue, Jul 21, 2009	24.11	24.45	23.98	24.44
4317	NYSE	BKH	Mon, Jul 20, 2009	24.14	24.20	23.86	24.05
4316	NYSE	BKH	Fri, Jul 17, 2009	24.43	24.46	23.70	24.06
4315	NYSE	BKH	Thu, Jul 16, 2009	24.18	24.50	23.93	24.40
4314	NYSE	BKH	Wed, Jul 15, 2009	23.74	24.20	23.73	24.20
4313	NYSE	BKH	Tue, Jul 14, 2009	23.37	23.64	23.24	23.60
4312	NYSE	BKH	Mon, Jul 13, 2009	23.07	23.52	22.71	23.32
4311	NYSE	BKH	Fri, Jul 10, 2009	22.87	23.04	22.72	22.88
4310	NYSE	BKH	Thu, Jul 9, 2009	23.51	23.51	22.92	23.04
4309	NYSE	BKH	Wed, Jul 8, 2009	23.12	23.66	23.05	23.29
4308	NYSE	BKH	Tue, Jul 7, 2009	23.41	23.46	22.98	23.08
4307	NYSE	BKH	Mon, Jul 6, 2009	22.79	23.42	22.79	23.33
4306	NYSE	BKH	Thu, Jul 2, 2009	23.38	23.45	22.90	22.95
4305	NYSE	BKH	Wed, Jul 1, 2009	23.10	23.80	23.10	23.64
4304	NYSE	BKH	Tue, Jun 30, 2009	23.06	23.11	22.71	22.99
4303	NYSE	BKH	Mon, Jun 29, 2009	23.10	23.25	22.66	22.96
4302	NYSE	BKH	Fri, Jun 26, 2009	22.58	23.14	22.43	23.06
4301	NYSE	BKH	Thu, Jun 25, 2009	22.58	22.90	22.39	22.61
4300	NYSE	BKH	Wed, Jun 24, 2009	22.64	22.89	22.42	22.62
4299	NYSE	BKH	Tue, Jun 23, 2009	22.86	23.00	22.55	22.62
4298	NYSE	BKH	Mon, Jun 22, 2009	22.78	23.17	22.67	22.78
4297	NYSE	BKH	Fri, Jun 19, 2009	23.45	23.58	22.99	23.01
4296	NYSE	BKH	Thu, Jun 18, 2009	23.10	23.41	23.01	23.30
4295	NYSE	BKH	Wed, Jun 17, 2009	22.95	23.20	22.93	23.06
4294	NYSE	BKH	Tue, Jun 16, 2009	23.00	23.20	22.97	23.01
4293	NYSE	BKH	Mon, Jun 15, 2009	22.87	22.92	22.51	22.86
4292	NYSE	BKH	Fri, Jun 12, 2009	22.69	23.23	22.46	23.13
4291	NYSE	BKH	Thu, Jun 11, 2009	22.39	23.09	22.39	22.79
4290	NYSE	BKH	Wed, Jun 10, 2009	22.32	22.58	22.19	22.55
4289	NYSE	BKH	Tue, Jun 9, 2009	22.78	22.86	22.22	22.22
4288	NYSE	BKH	Mon, Jun 8, 2009	22.46	22.94	22.33	22.71
4287	NYSE	BKH	Fri, Jun 5, 2009	23.19	23.28	22.25	22.63
4286	NYSE	BKH	Thu, Jun 4, 2009	22.68	23.17	22.57	23.03
4285	NYSE	BKH	Wed, Jun 3, 2009	22.71	23.00	22.41	22.59
4284	NYSE	BKH	Tue, Jun 2, 2009	22.52	22.94	22.45	22.77
4283	NYSE	BKH	Mon, Jun 1, 2009	21.65	22.69	21.65	22.55
4282	NYSE	BKH	Fri, May 29, 2009	21.10	21.53	20.83	21.40
4281	NYSE	BKH	Thu, May 28, 2009	20.61	21.25	20.28	21.09
4280	NYSE	BKH	Wed, May 27, 2009	20.55	21.06	20.43	20.49
4279	NYSE	BKH	Tue, May 26, 2009	19.70	20.69	19.50	20.55
4278	NYSE	BKH	Fri, May 22, 2009	19.42	19.99	19.35	19.70
4277	NYSE	BKH	Thu, May 21, 2009	19.49	19.51	19.10	19.33
4276	NYSE	BKH	Wed, May 20, 2009	19.93	20.09	19.61	19.63
4275	NYSE	BKH	Tue, May 19, 2009	19.64	20.00	19.61	19.78
4274	NYSE	BKH	Mon, May 18, 2009	19.54	19.69	19.31	19.60
4273	NYSE	BKH	Fri, May 15, 2009	19.73	19.88	19.06	19.41
4272	NYSE	BKH	Thu, May 14, 2009	19.76	20.00	19.52	19.84
4271	NYSE	BKH	Wed, May 13, 2009	20.26	20.67	20.04	20.05
4270	NYSE	BKH	Tue, May 12, 2009	20.66	20.69	20.07	20.37
4269	NYSE	BKH	Mon, May 11, 2009	20.51	20.73	20.31	20.45
4268	NYSE	BKH	Fri, May 8, 2009	20.20	21.10	20.03	20.68
4267	NYSE	BKH	Thu, May 7, 2009	20.05	20.06	19.75	19.79
4266	NYSE	BKH	Wed, May 6, 2009	20.04	20.29	19.64	19.70
4265	NYSE	BKH	Tue, May 5, 2009	20.00	20.15	19.66	19.71
4264	NYSE	BKH	Mon, May 4, 2009	19.95	20.35	19.87	20.00
4263	NYSE	BKH	Fri, May 1, 2009	20.14	20.14	19.73	19.99
4262	NYSE	BKH	Thu, Apr 30, 2009	20.12	20.33	19.77	19.88
4261	NYSE	BKH	Wed, Apr 29, 2009	19.38	20.26	19.38	20.00
4260	NYSE	BKH	Tue, Apr 28, 2009	18.97	19.61	18.97	19.36
4259	NYSE	BKH	Mon, Apr 27, 2009	18.75	19.32	18.72	19.18
4258	NYSE	BKH	Fri, Apr 24, 2009	18.69	19.13	18.65	19.00
4257	NYSE	BKH	Thu, Apr 23, 2009	19.43	19.43	18.48	18.74
4256	NYSE	BKH	Wed, Apr 22, 2009	19.34	19.62	19.20	19.32
4255	NYSE	BKH	Tue, Apr 21, 2009	18.81	19.56	18.81	19.52
4254	NYSE	BKH	Mon, Apr 20, 2009	18.99	19.22	18.71	18.84
4253	NYSE	BKH	Fri, Apr 17, 2009	19.11	19.21	18.95	19.12
4252	NYSE	BKH	Thu, Apr 16, 2009	18.65	19.15	18.53	19.09
4251	NYSE	BKH	Wed, Apr 15, 2009	18.44	18.68	18.15	18.54
4250	NYSE	BKH	Tue, Apr 14, 2009	18.60	18.77	18.25	18.43
4249	NYSE	BKH	Mon, Apr 13, 2009	18.84	18.87	18.50	18.78
4248	NYSE	BKH	Thu, Apr 9, 2009	18.86	19.06	18.66	18.89
4247	NYSE	BKH	Wed, Apr 8, 2009	18.26	18.54	18.05	18.54
4246	NYSE	BKH	Tue, Apr 7, 2009	18.18	18.37	18.04	18.14
4245	NYSE	BKH	Mon, Apr 6, 2009	18.40	18.77	18.12	18.37
4244	NYSE	BKH	Fri, Apr 3, 2009	18.40	18.58	18.19	18.50
4243	NYSE	BKH	Thu, Apr 2, 2009	18.28	18.77	17.99	18.39
4242	NYSE	BKH	Wed, Apr 1, 2009	17.78	17.98	17.36	17.83
4241	NYSE	BKH	Tue, Mar 31, 2009	17.63	18.23	17.56	17.89
4240	NYSE	BKH	Mon, Mar 30, 2009	17.54	17.67	17.16	17.59
4239	NYSE	BKH	Fri, Mar 27, 2009	18.22	18.48	17.73	17.83
4238	NYSE	BKH	Thu, Mar 26, 2009	18.09	18.76	17.88	18.48
4237	NYSE	BKH	Wed, Mar 25, 2009	17.63	18.25	17.34	17.88
4236	NYSE	BKH	Tue, Mar 24, 2009	18.16	18.54	17.37	17.70
4235	NYSE	BKH	Mon, Mar 23, 2009	18.00	18.67	17.94	18.67
4234	NYSE	BKH	Fri, Mar 20, 2009	17.90	18.31	17.66	17.72
4233	NYSE	BKH	Thu, Mar 19, 2009	17.40	18.02	17.40	17.86
4232	NYSE	BKH	Wed, Mar 18, 2009	16.43	17.55	16.29	17.30
4231	NYSE	BKH	Tue, Mar 17, 2009	16.09	16.57	15.89	16.57
4230	NYSE	BKH	Mon, Mar 16, 2009	15.77	16.35	15.66	16.05
4229	NYSE	BKH	Fri, Mar 13, 2009	15.30	15.72	15.30	15.62
4228	NYSE	BKH	Thu, Mar 12, 2009	14.89	15.40	14.63	15.36
4227	NYSE	BKH	Wed, Mar 11, 2009	15.06	15.21	14.69	14.87
4226	NYSE	BKH	Tue, Mar 10, 2009	14.86	15.19	14.75	14.97
4225	NYSE	BKH	Mon, Mar 9, 2009	14.93	15.05	14.54	14.59
4224	NYSE	BKH	Fri, Mar 6, 2009	15.22	15.53	14.79	15.11
4223	NYSE	BKH	Thu, Mar 5, 2009	15.63	15.89	14.87	14.89
4222	NYSE	BKH	Wed, Mar 4, 2009	15.90	16.49	15.43	16.12
4221	NYSE	BKH	Tue, Mar 3, 2009	16.84	16.93	15.71	15.74
4220	NYSE	BKH	Mon, Mar 2, 2009	17.69	17.88	16.52	16.56
4219	NYSE	BKH	Fri, Feb 27, 2009	17.74	18.25	17.45	17.81
4218	NYSE	BKH	Thu, Feb 26, 2009	18.16	18.55	17.90	17.96
4217	NYSE	BKH	Wed, Feb 25, 2009	18.26	18.37	17.72	18.07
4216	NYSE	BKH	Tue, Feb 24, 2009	18.72	18.72	18.08	18.30
4215	NYSE	BKH	Mon, Feb 23, 2009	19.34	19.48	18.34	18.42
4214	NYSE	BKH	Fri, Feb 20, 2009	19.96	19.97	18.66	18.99
4213	NYSE	BKH	Thu, Feb 19, 2009	20.48	20.76	20.05	20.08
4212	NYSE	BKH	Wed, Feb 18, 2009	20.64	21.71	20.22	20.34
4211	NYSE	BKH	Tue, Feb 17, 2009	20.87	21.01	20.09	20.10
4210	NYSE	BKH	Fri, Feb 13, 2009	21.94	22.16	21.41	21.48
4209	NYSE	BKH	Thu, Feb 12, 2009	22.31	22.31	21.73	21.95
4208	NYSE	BKH	Wed, Feb 11, 2009	22.56	22.86	22.06	22.37
4207	NYSE	BKH	Tue, Feb 10, 2009	23.15	23.31	22.53	22.66
4206	NYSE	BKH	Mon, Feb 9, 2009	23.50	23.84	23.05	23.15
4205	NYSE	BKH	Fri, Feb 6, 2009	23.82	23.99	23.43	23.65
4204	NYSE	BKH	Thu, Feb 5, 2009	23.30	23.94	23.28	23.79
4203	NYSE	BKH	Wed, Feb 4, 2009	22.82	23.72	22.55	23.43
4202	NYSE	BKH	Tue, Feb 3, 2009	25.94	25.99	22.77	23.67
4201	NYSE	BKH	Mon, Feb 2, 2009	26.19	27.28	26.09	27.17
4200	NYSE	BKH	Fri, Jan 30, 2009	26.38	26.74	25.98	26.50
4199	NYSE	BKH	Thu, Jan 29, 2009	26.55	27.30	26.27	26.50
4198	NYSE	BKH	Wed, Jan 28, 2009	27.04	27.25	26.63	27.06
4197	NYSE	BKH	Tue, Jan 27, 2009	26.21	26.95	26.13	26.79
4196	NYSE	BKH	Mon, Jan 26, 2009	25.49	26.46	25.40	26.16
4195	NYSE	BKH	Fri, Jan 23, 2009	24.97	25.67	24.65	25.52
4194	NYSE	BKH	Thu, Jan 22, 2009	25.63	26.07	25.18	25.50
4193	NYSE	BKH	Wed, Jan 21, 2009	25.78	26.19	25.25	26.11
4192	NYSE	BKH	Tue, Jan 20, 2009	26.15	26.44	25.35	25.40
4191	NYSE	BKH	Fri, Jan 16, 2009	26.13	26.46	25.73	26.19
4190	NYSE	BKH	Thu, Jan 15, 2009	25.92	25.92	24.81	25.81
4189	NYSE	BKH	Wed, Jan 14, 2009	26.02	26.16	25.39	25.84
4188	NYSE	BKH	Tue, Jan 13, 2009	26.39	26.39	25.91	26.30
4187	NYSE	BKH	Mon, Jan 12, 2009	26.34	26.54	26.02	26.34
4186	NYSE	BKH	Fri, Jan 9, 2009	26.79	27.07	26.09	26.22
4185	NYSE	BKH	Thu, Jan 8, 2009	26.41	26.95	26.39	26.84
4184	NYSE	BKH	Wed, Jan 7, 2009	26.84	27.09	26.45	26.66
4183	NYSE	BKH	Tue, Jan 6, 2009	27.40	27.84	27.06	27.28
4182	NYSE	BKH	Mon, Jan 5, 2009	27.28	27.59	26.93	27.36
4181	NYSE	BKH	Fri, Jan 2, 2009	27.17	27.43	26.56	27.29
4180	NYSE	BKH	Wed, Dec 31, 2008	26.74	27.13	26.48	26.96
4179	NYSE	BKH	Tue, Dec 30, 2008	26.25	26.72	25.97	26.65
4178	NYSE	BKH	Mon, Dec 29, 2008	26.30	26.31	25.63	26.05
4177	NYSE	BKH	Fri, Dec 26, 2008	25.74	26.49	25.74	26.38
4176	NYSE	BKH	Wed, Dec 24, 2008	25.31	25.88	25.11	25.76
4175	NYSE	BKH	Tue, Dec 23, 2008	26.60	26.88	25.26	25.43
4174	NYSE	BKH	Mon, Dec 22, 2008	26.00	26.28	25.37	26.24
4173	NYSE	BKH	Fri, Dec 19, 2008	26.00	26.90	25.55	26.10
4172	NYSE	BKH	Thu, Dec 18, 2008	25.01	25.93	24.95	25.55
4171	NYSE	BKH	Wed, Dec 17, 2008	26.02	26.28	25.13	25.26
4170	NYSE	BKH	Tue, Dec 16, 2008	25.34	26.31	25.20	26.30
4169	NYSE	BKH	Mon, Dec 15, 2008	25.49	25.77	24.48	24.92
4168	NYSE	BKH	Fri, Dec 12, 2008	24.25	25.56	24.05	25.37
4167	NYSE	BKH	Thu, Dec 11, 2008	24.82	25.73	24.57	25.04
4166	NYSE	BKH	Wed, Dec 10, 2008	25.05	25.32	24.69	25.07
4165	NYSE	BKH	Tue, Dec 9, 2008	24.74	25.75	24.45	24.80
4164	NYSE	BKH	Mon, Dec 8, 2008	25.50	25.92	24.67	24.99
4163	NYSE	BKH	Fri, Dec 5, 2008	23.31	25.02	22.90	24.94
4162	NYSE	BKH	Thu, Dec 4, 2008	25.52	25.93	23.12	23.70
4161	NYSE	BKH	Wed, Dec 3, 2008	24.76	26.24	24.50	25.95
4160	NYSE	BKH	Tue, Dec 2, 2008	24.65	25.30	24.14	25.30
4159	NYSE	BKH	Mon, Dec 1, 2008	24.98	25.79	24.33	24.36
4158	NYSE	BKH	Fri, Nov 28, 2008	24.21	25.81	24.15	25.81
4157	NYSE	BKH	Wed, Nov 26, 2008	23.78	25.19	23.47	24.64
4156	NYSE	BKH	Tue, Nov 25, 2008	24.75	24.99	23.70	24.28
4155	NYSE	BKH	Mon, Nov 24, 2008	24.83	25.42	23.84	24.99
4154	NYSE	BKH	Fri, Nov 21, 2008	23.04	24.57	21.73	24.51
4153	NYSE	BKH	Thu, Nov 20, 2008	23.60	24.23	21.86	21.99
4152	NYSE	BKH	Wed, Nov 19, 2008	25.79	26.48	23.93	23.99
4151	NYSE	BKH	Tue, Nov 18, 2008	25.58	26.30	24.65	25.69
4150	NYSE	BKH	Mon, Nov 17, 2008	24.74	26.10	24.41	25.51
4149	NYSE	BKH	Fri, Nov 14, 2008	25.88	26.46	24.65	25.01
4148	NYSE	BKH	Thu, Nov 13, 2008	24.06	26.72	23.57	26.72
4147	NYSE	BKH	Wed, Nov 12, 2008	24.46	24.84	23.71	23.84
4146	NYSE	BKH	Tue, Nov 11, 2008	24.65	26.32	24.58	25.29
4145	NYSE	BKH	Mon, Nov 10, 2008	26.47	26.60	24.77	25.04
4144	NYSE	BKH	Fri, Nov 7, 2008	25.34	26.43	25.28	26.10
4143	NYSE	BKH	Thu, Nov 6, 2008	25.70	26.24	25.00	25.48
4142	NYSE	BKH	Wed, Nov 5, 2008	25.62	26.50	25.55	25.64
4141	NYSE	BKH	Tue, Nov 4, 2008	26.31	26.60	25.73	26.34
4140	NYSE	BKH	Mon, Nov 3, 2008	25.44	26.01	25.07	25.81
4139	NYSE	BKH	Fri, Oct 31, 2008	25.84	25.99	24.73	25.25
4138	NYSE	BKH	Thu, Oct 30, 2008	26.20	26.51	25.15	25.98
4137	NYSE	BKH	Wed, Oct 29, 2008	26.09	26.66	25.13	25.71
4136	NYSE	BKH	Tue, Oct 28, 2008	23.94	26.17	23.32	26.17
4135	NYSE	BKH	Mon, Oct 27, 2008	23.95	24.20	23.13	23.41
4134	NYSE	BKH	Fri, Oct 24, 2008	22.79	25.00	22.08	24.32
4133	NYSE	BKH	Thu, Oct 23, 2008	24.77	25.62	23.03	24.79
4132	NYSE	BKH	Wed, Oct 22, 2008	25.38	25.56	23.79	24.48
4131	NYSE	BKH	Tue, Oct 21, 2008	26.64	26.64	25.24	25.65
4130	NYSE	BKH	Mon, Oct 20, 2008	24.92	27.04	24.77	27.04
4129	NYSE	BKH	Fri, Oct 17, 2008	24.32	26.25	23.53	24.67
4128	NYSE	BKH	Thu, Oct 16, 2008	23.49	25.10	22.65	25.10
4127	NYSE	BKH	Wed, Oct 15, 2008	26.12	26.12	23.42	23.42
4126	NYSE	BKH	Tue, Oct 14, 2008	28.01	28.93	24.81	26.18
4125	NYSE	BKH	Mon, Oct 13, 2008	24.91	27.50	24.50	27.50
4124	NYSE	BKH	Fri, Oct 10, 2008	23.25	24.89	22.00	23.81
4123	NYSE	BKH	Thu, Oct 9, 2008	26.68	26.97	24.12	24.12
4122	NYSE	BKH	Wed, Oct 8, 2008	26.00	27.60	25.51	26.43
4121	NYSE	BKH	Tue, Oct 7, 2008	28.41	28.73	26.73	26.73
4120	NYSE	BKH	Mon, Oct 6, 2008	29.83	30.31	26.79	28.03
4119	NYSE	BKH	Fri, Oct 3, 2008	30.50	31.59	30.25	30.35
4118	NYSE	BKH	Thu, Oct 2, 2008	31.37	31.48	30.00	30.17
4117	NYSE	BKH	Wed, Oct 1, 2008	30.80	31.48	30.70	31.43
4116	NYSE	BKH	Tue, Sep 30, 2008	30.85	31.72	30.40	31.07
4115	NYSE	BKH	Mon, Sep 29, 2008	31.88	32.22	30.26	30.54
4114	NYSE	BKH	Fri, Sep 26, 2008	32.22	32.60	31.70	32.45
4113	NYSE	BKH	Thu, Sep 25, 2008	32.00	32.90	31.86	32.58
4112	NYSE	BKH	Wed, Sep 24, 2008	33.47	33.47	31.98	32.09
4111	NYSE	BKH	Tue, Sep 23, 2008	34.19	34.54	33.41	33.51
4110	NYSE	BKH	Mon, Sep 22, 2008	36.28	36.56	34.36	34.47
4109	NYSE	BKH	Fri, Sep 19, 2008	35.90	39.23	35.32	36.18
4108	NYSE	BKH	Thu, Sep 18, 2008	32.45	35.80	32.24	35.26
4107	NYSE	BKH	Wed, Sep 17, 2008	32.42	32.90	31.78	31.94
4106	NYSE	BKH	Tue, Sep 16, 2008	32.17	32.86	31.27	32.85
4105	NYSE	BKH	Mon, Sep 15, 2008	32.15	32.93	31.95	32.18
4104	NYSE	BKH	Fri, Sep 12, 2008	32.85	33.29	32.79	32.87
4103	NYSE	BKH	Thu, Sep 11, 2008	32.70	33.10	32.12	33.09
4102	NYSE	BKH	Wed, Sep 10, 2008	33.24	33.37	32.72	32.82
4101	NYSE	BKH	Tue, Sep 9, 2008	33.10	33.75	32.90	32.90
4100	NYSE	BKH	Mon, Sep 8, 2008	32.71	33.19	32.57	33.17
4099	NYSE	BKH	Fri, Sep 5, 2008	32.92	32.99	32.01	32.47
4098	NYSE	BKH	Thu, Sep 4, 2008	33.30	33.32	32.60	32.98
4097	NYSE	BKH	Wed, Sep 3, 2008	33.43	33.81	33.07	33.33
4096	NYSE	BKH	Tue, Sep 2, 2008	34.16	34.37	33.32	33.42
4095	NYSE	BKH	Fri, Aug 29, 2008	34.50	34.74	33.76	33.81
4094	NYSE	BKH	Thu, Aug 28, 2008	34.55	34.67	34.15	34.64
4093	NYSE	BKH	Wed, Aug 27, 2008	33.97	34.59	33.89	34.32
4092	NYSE	BKH	Tue, Aug 26, 2008	33.52	34.14	33.49	33.84
4091	NYSE	BKH	Mon, Aug 25, 2008	34.15	34.23	33.15	33.65
4090	NYSE	BKH	Fri, Aug 22, 2008	33.74	34.41	33.74	34.30
4089	NYSE	BKH	Thu, Aug 21, 2008	33.59	34.00	33.55	33.57
4088	NYSE	BKH	Wed, Aug 20, 2008	34.03	34.23	33.77	33.97
4087	NYSE	BKH	Tue, Aug 19, 2008	34.14	34.32	33.88	34.06
4086	NYSE	BKH	Mon, Aug 18, 2008	33.51	34.20	33.35	34.09
4085	NYSE	BKH	Fri, Aug 15, 2008	33.27	33.49	33.00	33.32
4084	NYSE	BKH	Thu, Aug 14, 2008	32.68	32.82	32.11	32.50
4083	NYSE	BKH	Wed, Aug 13, 2008	33.45	33.45	32.26	32.84
4082	NYSE	BKH	Tue, Aug 12, 2008	33.12	34.52	33.12	33.70
4081	NYSE	BKH	Mon, Aug 11, 2008	33.48	34.92	33.24	34.65
4080	NYSE	BKH	Fri, Aug 8, 2008	32.33	33.69	32.33	33.59
4079	NYSE	BKH	Thu, Aug 7, 2008	32.90	32.92	32.48	32.48
4078	NYSE	BKH	Wed, Aug 6, 2008	32.60	33.17	32.55	33.17
4077	NYSE	BKH	Tue, Aug 5, 2008	32.50	32.93	32.18	32.70
4076	NYSE	BKH	Mon, Aug 4, 2008	32.33	32.73	31.85	32.40
4075	NYSE	BKH	Fri, Aug 1, 2008	32.23	32.55	31.81	32.20
4074	NYSE	BKH	Thu, Jul 31, 2008	32.11	32.65	32.11	32.27
4073	NYSE	BKH	Wed, Jul 30, 2008	32.31	32.63	32.01	32.50
4072	NYSE	BKH	Tue, Jul 29, 2008	32.05	32.64	31.91	32.34
4071	NYSE	BKH	Mon, Jul 28, 2008	32.44	32.52	32.05	32.10
4070	NYSE	BKH	Fri, Jul 25, 2008	32.00	32.63	31.77	32.44
4069	NYSE	BKH	Thu, Jul 24, 2008	31.75	31.87	31.46	31.79
4068	NYSE	BKH	Wed, Jul 23, 2008	32.46	32.46	31.50	31.59
4067	NYSE	BKH	Tue, Jul 22, 2008	31.59	32.47	31.59	32.46
4066	NYSE	BKH	Mon, Jul 21, 2008	31.64	31.90	31.52	31.72
4065	NYSE	BKH	Fri, Jul 18, 2008	32.00	32.19	31.15	31.74
4064	NYSE	BKH	Thu, Jul 17, 2008	31.67	32.01	31.35	32.00
4063	NYSE	BKH	Wed, Jul 16, 2008	32.03	32.24	31.51	31.75
4062	NYSE	BKH	Tue, Jul 15, 2008	30.53	32.39	30.53	31.99
4061	NYSE	BKH	Mon, Jul 14, 2008	32.32	32.57	31.75	32.31
4060	NYSE	BKH	Fri, Jul 11, 2008	30.84	32.22	30.71	31.93
4059	NYSE	BKH	Thu, Jul 10, 2008	31.55	31.89	31.43	31.62
4058	NYSE	BKH	Wed, Jul 9, 2008	31.56	31.94	31.30	31.68
4057	NYSE	BKH	Tue, Jul 8, 2008	30.65	31.43	30.46	31.43
4056	NYSE	BKH	Mon, Jul 7, 2008	31.01	31.12	30.10	30.55
4055	NYSE	BKH	Thu, Jul 3, 2008	31.50	31.73	30.85	30.91
4054	NYSE	BKH	Wed, Jul 2, 2008	32.60	32.62	31.44	31.46
4053	NYSE	BKH	Tue, Jul 1, 2008	31.78	32.49	31.78	32.37
4052	NYSE	BKH	Mon, Jun 30, 2008	32.32	32.53	31.70	32.06
4051	NYSE	BKH	Fri, Jun 27, 2008	32.95	33.32	32.26	32.32
4050	NYSE	BKH	Thu, Jun 26, 2008	33.84	33.84	32.97	33.17
4049	NYSE	BKH	Wed, Jun 25, 2008	34.21	34.52	33.90	34.08
4048	NYSE	BKH	Tue, Jun 24, 2008	34.68	34.74	34.20	34.23
4047	NYSE	BKH	Mon, Jun 23, 2008	35.01	35.20	34.78	34.83
4046	NYSE	BKH	Fri, Jun 20, 2008	35.09	35.29	34.77	34.92
4045	NYSE	BKH	Thu, Jun 19, 2008	35.12	35.35	34.93	35.20
4044	NYSE	BKH	Wed, Jun 18, 2008	35.47	35.66	35.01	35.11
4043	NYSE	BKH	Tue, Jun 17, 2008	35.74	35.93	35.40	35.45
4042	NYSE	BKH	Mon, Jun 16, 2008	35.53	35.91	35.11	35.89
4041	NYSE	BKH	Fri, Jun 13, 2008	35.25	35.69	35.07	35.69
4040	NYSE	BKH	Thu, Jun 12, 2008	35.45	35.45	34.97	35.15
4039	NYSE	BKH	Wed, Jun 11, 2008	35.38	35.67	35.06	35.14
4038	NYSE	BKH	Tue, Jun 10, 2008	34.81	35.75	34.81	35.55
4037	NYSE	BKH	Mon, Jun 9, 2008	35.14	35.46	34.97	35.19
4036	NYSE	BKH	Fri, Jun 6, 2008	35.67	36.04	35.09	35.15
4035	NYSE	BKH	Thu, Jun 5, 2008	35.38	36.02	35.15	36.00
4034	NYSE	BKH	Wed, Jun 4, 2008	34.93	35.64	34.93	35.39
4033	NYSE	BKH	Tue, Jun 3, 2008	35.39	35.41	34.95	35.09
4032	NYSE	BKH	Mon, Jun 2, 2008	35.22	35.26	34.70	35.17
4031	NYSE	BKH	Fri, May 30, 2008	35.59	35.64	35.11	35.24
4030	NYSE	BKH	Thu, May 29, 2008	34.82	36.08	34.77	35.58
4029	NYSE	BKH	Wed, May 28, 2008	35.21	35.25	34.52	34.77
4028	NYSE	BKH	Tue, May 27, 2008	35.16	35.35	34.94	35.20
4027	NYSE	BKH	Fri, May 23, 2008	35.74	35.75	35.10	35.10
4026	NYSE	BKH	Thu, May 22, 2008	35.60	36.16	35.60	35.90
4025	NYSE	BKH	Wed, May 21, 2008	35.76	36.11	35.48	35.67
4024	NYSE	BKH	Tue, May 20, 2008	35.60	35.98	35.36	35.62
4023	NYSE	BKH	Mon, May 19, 2008	35.42	35.97	35.16	35.75
4022	NYSE	BKH	Fri, May 16, 2008	35.81	35.82	35.40	35.58
4021	NYSE	BKH	Thu, May 15, 2008	35.65	35.81	35.29	35.53
4020	NYSE	BKH	Wed, May 14, 2008	36.13	36.18	35.79	35.80
4019	NYSE	BKH	Tue, May 13, 2008	36.72	36.72	36.06	36.37
4018	NYSE	BKH	Mon, May 12, 2008	36.18	36.56	35.83	36.56
4017	NYSE	BKH	Fri, May 9, 2008	36.10	36.28	35.62	35.99
4016	NYSE	BKH	Thu, May 8, 2008	35.93	36.39	35.61	36.39
4015	NYSE	BKH	Wed, May 7, 2008	37.04	37.10	35.90	35.93
4014	NYSE	BKH	Tue, May 6, 2008	37.52	37.59	36.88	37.32
4013	NYSE	BKH	Mon, May 5, 2008	37.88	37.88	37.13	37.59
4012	NYSE	BKH	Fri, May 2, 2008	39.15	39.15	37.75	37.88
4011	NYSE	BKH	Thu, May 1, 2008	38.57	39.20	36.93	38.83
4010	NYSE	BKH	Wed, Apr 30, 2008	39.03	39.20	38.57	39.01
4009	NYSE	BKH	Tue, Apr 29, 2008	38.75	39.00	38.50	38.75
4008	NYSE	BKH	Mon, Apr 28, 2008	38.44	38.94	38.32	38.88
4007	NYSE	BKH	Fri, Apr 25, 2008	38.88	38.88	38.22	38.50
4006	NYSE	BKH	Thu, Apr 24, 2008	38.35	39.08	38.01	38.71
4005	NYSE	BKH	Wed, Apr 23, 2008	38.05	38.72	37.93	38.46
4004	NYSE	BKH	Tue, Apr 22, 2008	38.61	38.61	37.64	37.99
4003	NYSE	BKH	Mon, Apr 21, 2008	38.87	38.90	38.46	38.84
4002	NYSE	BKH	Fri, Apr 18, 2008	39.53	39.66	39.03	39.25
4001	NYSE	BKH	Thu, Apr 17, 2008	38.87	39.26	38.67	39.02
4000	NYSE	BKH	Wed, Apr 16, 2008	38.24	39.00	38.02	38.96
3999	NYSE	BKH	Tue, Apr 15, 2008	37.99	38.22	37.72	38.14
3998	NYSE	BKH	Mon, Apr 14, 2008	37.13	38.00	37.10	37.72
3997	NYSE	BKH	Fri, Apr 11, 2008	36.98	37.39	36.94	37.21
3996	NYSE	BKH	Thu, Apr 10, 2008	37.28	37.56	36.90	37.44
3995	NYSE	BKH	Wed, Apr 9, 2008	37.57	37.88	36.75	37.15
3994	NYSE	BKH	Tue, Apr 8, 2008	37.55	37.70	37.22	37.63
3993	NYSE	BKH	Mon, Apr 7, 2008	37.21	37.79	37.02	37.75
3992	NYSE	BKH	Fri, Apr 4, 2008	37.59	37.78	36.96	37.14
3991	NYSE	BKH	Thu, Apr 3, 2008	37.29	37.82	37.29	37.50
3990	NYSE	BKH	Wed, Apr 2, 2008	36.70	37.90	36.70	37.47
3989	NYSE	BKH	Tue, Apr 1, 2008	36.14	37.03	36.05	36.83
3988	NYSE	BKH	Mon, Mar 31, 2008	34.76	35.83	34.76	35.78
3987	NYSE	BKH	Fri, Mar 28, 2008	35.55	35.74	34.91	34.96
3986	NYSE	BKH	Thu, Mar 27, 2008	35.95	36.20	35.57	35.61
3985	NYSE	BKH	Wed, Mar 26, 2008	35.86	36.18	35.60	35.68
3984	NYSE	BKH	Tue, Mar 25, 2008	36.03	36.46	35.90	35.94
3983	NYSE	BKH	Mon, Mar 24, 2008	36.64	36.66	35.97	36.19
3982	NYSE	BKH	Thu, Mar 20, 2008	35.69	36.57	35.50	36.39
3981	NYSE	BKH	Wed, Mar 19, 2008	36.57	37.22	35.72	35.72
3980	NYSE	BKH	Tue, Mar 18, 2008	36.05	36.87	35.87	36.66
3979	NYSE	BKH	Mon, Mar 17, 2008	35.20	36.08	34.93	35.80
3978	NYSE	BKH	Fri, Mar 14, 2008	36.49	36.49	35.19	35.90
3977	NYSE	BKH	Thu, Mar 13, 2008	35.89	36.55	35.41	36.46
3976	NYSE	BKH	Wed, Mar 12, 2008	36.67	36.98	36.12	36.21
3975	NYSE	BKH	Tue, Mar 11, 2008	36.06	36.77	35.65	36.71
3974	NYSE	BKH	Mon, Mar 10, 2008	35.35	35.40	34.80	34.93
3973	NYSE	BKH	Fri, Mar 7, 2008	34.75	35.55	33.21	35.44
3972	NYSE	BKH	Thu, Mar 6, 2008	35.81	36.01	34.96	34.99
3971	NYSE	BKH	Wed, Mar 5, 2008	36.33	36.35	35.55	36.05
3970	NYSE	BKH	Tue, Mar 4, 2008	36.00	36.77	35.84	36.47
3969	NYSE	BKH	Mon, Mar 3, 2008	35.66	36.53	35.66	36.24
3968	NYSE	BKH	Fri, Feb 29, 2008	36.92	37.20	35.65	35.76
3967	NYSE	BKH	Thu, Feb 28, 2008	37.50	37.68	37.14	37.17
3966	NYSE	BKH	Wed, Feb 27, 2008	37.77	38.10	37.56	37.70
3965	NYSE	BKH	Tue, Feb 26, 2008	37.64	37.99	37.22	37.73
3964	NYSE	BKH	Mon, Feb 25, 2008	36.34	38.00	36.32	37.64
3963	NYSE	BKH	Fri, Feb 22, 2008	36.13	36.55	35.64	36.42
3962	NYSE	BKH	Thu, Feb 21, 2008	37.16	37.17	36.00	36.04
3961	NYSE	BKH	Wed, Feb 20, 2008	37.01	37.02	36.44	36.88
3960	NYSE	BKH	Tue, Feb 19, 2008	37.38	37.64	36.85	37.11
3959	NYSE	BKH	Fri, Feb 15, 2008	37.20	37.40	36.79	37.24
3958	NYSE	BKH	Thu, Feb 14, 2008	38.51	38.70	37.38	37.51
3957	NYSE	BKH	Wed, Feb 13, 2008	39.34	39.34	38.17	38.43
3956	NYSE	BKH	Tue, Feb 12, 2008	38.64	39.58	38.06	39.10
3955	NYSE	BKH	Mon, Feb 11, 2008	38.75	38.90	38.15	38.61
3954	NYSE	BKH	Fri, Feb 8, 2008	38.92	39.53	38.52	39.00
3953	NYSE	BKH	Thu, Feb 7, 2008	38.87	39.36	38.55	39.27
3952	NYSE	BKH	Wed, Feb 6, 2008	39.64	39.77	39.01	39.18
3951	NYSE	BKH	Tue, Feb 5, 2008	39.85	40.32	39.36	39.56
3950	NYSE	BKH	Mon, Feb 4, 2008	40.05	40.87	39.97	40.54
3949	NYSE	BKH	Fri, Feb 1, 2008	39.05	40.83	38.83	40.18
3948	NYSE	BKH	Thu, Jan 31, 2008	37.39	39.03	37.13	38.74
3947	NYSE	BKH	Wed, Jan 30, 2008	38.23	38.99	37.85	37.89
3946	NYSE	BKH	Tue, Jan 29, 2008	38.83	38.86	38.21	38.38
3945	NYSE	BKH	Mon, Jan 28, 2008	37.55	38.73	37.46	38.54
3944	NYSE	BKH	Fri, Jan 25, 2008	38.94	38.94	37.55	37.75
3943	NYSE	BKH	Thu, Jan 24, 2008	39.98	40.05	38.39	38.59
3942	NYSE	BKH	Wed, Jan 23, 2008	38.07	40.27	38.07	39.92
3941	NYSE	BKH	Tue, Jan 22, 2008	38.37	39.53	38.37	39.02
3940	NYSE	BKH	Fri, Jan 18, 2008	40.44	40.44	39.16	39.78
3939	NYSE	BKH	Thu, Jan 17, 2008	41.85	41.85	40.37	40.37
3938	NYSE	BKH	Wed, Jan 16, 2008	41.67	42.32	41.47	41.94
3937	NYSE	BKH	Tue, Jan 15, 2008	41.37	42.44	41.31	41.92
3936	NYSE	BKH	Mon, Jan 14, 2008	41.93	41.99	41.58	41.70
3935	NYSE	BKH	Fri, Jan 11, 2008	42.10	42.71	41.76	41.80
3934	NYSE	BKH	Thu, Jan 10, 2008	41.96	42.69	41.79	42.40
3933	NYSE	BKH	Wed, Jan 9, 2008	41.86	42.35	41.32	42.32
3932	NYSE	BKH	Tue, Jan 8, 2008	42.50	42.92	41.84	41.87
3931	NYSE	BKH	Mon, Jan 7, 2008	41.97	42.86	41.85	42.52
3930	NYSE	BKH	Fri, Jan 4, 2008	41.99	42.31	41.60	41.84
3929	NYSE	BKH	Thu, Jan 3, 2008	43.09	43.37	42.47	42.47
3928	NYSE	BKH	Wed, Jan 2, 2008	43.93	43.98	42.91	43.09
3927	NYSE	BKH	Mon, Dec 31, 2007	44.46	44.54	43.81	44.10
3926	NYSE	BKH	Fri, Dec 28, 2007	44.64	44.94	44.18	44.37
3925	NYSE	BKH	Thu, Dec 27, 2007	44.94	45.41	44.39	44.53
3924	NYSE	BKH	Wed, Dec 26, 2007	44.40	44.94	44.40	44.82
3923	NYSE	BKH	Mon, Dec 24, 2007	44.95	44.95	44.47	44.76
3922	NYSE	BKH	Fri, Dec 21, 2007	44.56	45.12	43.96	44.90
3921	NYSE	BKH	Thu, Dec 20, 2007	43.41	43.86	42.99	43.86
3920	NYSE	BKH	Wed, Dec 19, 2007	42.70	43.50	42.43	43.26
3919	NYSE	BKH	Tue, Dec 18, 2007	42.16	42.92	41.77	42.78
3918	NYSE	BKH	Mon, Dec 17, 2007	42.36	42.36	41.69	41.87
3917	NYSE	BKH	Fri, Dec 14, 2007	42.96	43.14	42.35	42.48
3916	NYSE	BKH	Thu, Dec 13, 2007	42.58	43.41	42.33	43.35
3915	NYSE	BKH	Wed, Dec 12, 2007	43.61	43.94	42.53	42.93
3914	NYSE	BKH	Tue, Dec 11, 2007	43.72	44.13	42.71	42.72
3913	NYSE	BKH	Mon, Dec 10, 2007	43.31	44.00	43.19	43.85
3912	NYSE	BKH	Fri, Dec 7, 2007	43.60	43.60	43.01	43.28
3911	NYSE	BKH	Thu, Dec 6, 2007	43.12	43.50	42.93	43.49
3910	NYSE	BKH	Wed, Dec 5, 2007	43.12	43.41	42.75	43.09
3909	NYSE	BKH	Tue, Dec 4, 2007	42.54	42.80	42.20	42.67
3908	NYSE	BKH	Mon, Dec 3, 2007	41.99	42.95	41.90	42.43
3907	NYSE	BKH	Fri, Nov 30, 2007	41.84	41.95	41.30	41.66
3906	NYSE	BKH	Thu, Nov 29, 2007	41.21	41.76	41.21	41.44
3905	NYSE	BKH	Wed, Nov 28, 2007	41.39	41.85	41.15	41.47
3904	NYSE	BKH	Tue, Nov 27, 2007	41.28	41.64	40.99	41.39
3903	NYSE	BKH	Mon, Nov 26, 2007	41.54	42.06	41.09	41.09
3902	NYSE	BKH	Fri, Nov 23, 2007	41.72	41.96	41.20	41.61
3901	NYSE	BKH	Wed, Nov 21, 2007	41.10	42.43	41.10	41.55
3900	NYSE	BKH	Tue, Nov 20, 2007	41.40	41.86	40.93	41.54
3899	NYSE	BKH	Mon, Nov 19, 2007	40.43	41.66	40.43	41.31
3898	NYSE	BKH	Fri, Nov 16, 2007	40.95	41.18	40.21	40.83
3897	NYSE	BKH	Thu, Nov 15, 2007	40.64	41.14	40.30	40.96
3896	NYSE	BKH	Wed, Nov 14, 2007	41.19	41.80	40.64	40.76
3895	NYSE	BKH	Tue, Nov 13, 2007	41.28	41.74	40.96	41.58
3894	NYSE	BKH	Mon, Nov 12, 2007	41.50	42.05	41.09	41.28
3893	NYSE	BKH	Fri, Nov 9, 2007	40.70	41.83	40.70	41.43
3892	NYSE	BKH	Thu, Nov 8, 2007	41.15	41.74	40.89	41.48
3891	NYSE	BKH	Wed, Nov 7, 2007	41.18	41.62	40.66	40.82
3890	NYSE	BKH	Tue, Nov 6, 2007	41.68	41.68	40.74	41.38
3889	NYSE	BKH	Mon, Nov 5, 2007	42.10	42.78	41.41	41.63
3888	NYSE	BKH	Fri, Nov 2, 2007	43.00	43.73	42.04	42.82
3887	NYSE	BKH	Thu, Nov 1, 2007	43.65	44.29	42.51	44.00
3886	NYSE	BKH	Wed, Oct 31, 2007	43.84	44.54	43.28	44.42
3885	NYSE	BKH	Tue, Oct 30, 2007	44.08	44.16	43.69	43.83
3884	NYSE	BKH	Mon, Oct 29, 2007	43.97	44.60	43.76	44.06
3883	NYSE	BKH	Fri, Oct 26, 2007	43.40	44.00	43.05	43.98
3882	NYSE	BKH	Thu, Oct 25, 2007	42.21	43.02	42.08	42.70
3881	NYSE	BKH	Wed, Oct 24, 2007	41.60	42.09	41.14	41.98
3880	NYSE	BKH	Tue, Oct 23, 2007	42.17	42.22	41.26	41.92
3879	NYSE	BKH	Mon, Oct 22, 2007	41.03	42.06	40.74	41.89
3878	NYSE	BKH	Fri, Oct 19, 2007	42.37	42.57	41.29	41.29
3877	NYSE	BKH	Thu, Oct 18, 2007	42.54	42.70	42.19	42.37
3876	NYSE	BKH	Wed, Oct 17, 2007	42.88	43.14	41.66	42.55
3875	NYSE	BKH	Tue, Oct 16, 2007	42.57	42.63	42.08	42.21
3874	NYSE	BKH	Mon, Oct 15, 2007	43.17	43.20	42.01	42.50
3873	NYSE	BKH	Fri, Oct 12, 2007	42.65	43.51	42.65	43.24
3872	NYSE	BKH	Thu, Oct 11, 2007	43.24	44.00	42.22	42.69
3871	NYSE	BKH	Wed, Oct 10, 2007	43.48	43.57	42.68	43.13
3870	NYSE	BKH	Tue, Oct 9, 2007	43.16	43.63	42.71	43.37
3869	NYSE	BKH	Mon, Oct 8, 2007	43.43	44.74	42.94	43.19
3868	NYSE	BKH	Fri, Oct 5, 2007	42.90	43.60	42.69	43.32
3867	NYSE	BKH	Thu, Oct 4, 2007	42.60	43.32	42.29	42.63
3866	NYSE	BKH	Wed, Oct 3, 2007	43.33	43.93	43.03	43.69
3865	NYSE	BKH	Tue, Oct 2, 2007	42.78	43.76	42.78	43.65
3864	NYSE	BKH	Mon, Oct 1, 2007	41.18	42.38	41.08	42.38
3863	NYSE	BKH	Fri, Sep 28, 2007	41.81	41.89	40.81	41.02
3862	NYSE	BKH	Thu, Sep 27, 2007	42.07	42.32	40.99	41.61
3861	NYSE	BKH	Wed, Sep 26, 2007	41.80	42.09	41.49	41.90
3860	NYSE	BKH	Tue, Sep 25, 2007	41.80	42.14	41.26	41.52
3859	NYSE	BKH	Mon, Sep 24, 2007	42.42	42.49	41.71	42.06
3858	NYSE	BKH	Fri, Sep 21, 2007	41.90	42.66	41.66	42.22
3857	NYSE	BKH	Thu, Sep 20, 2007	42.84	42.85	41.58	41.97
3856	NYSE	BKH	Wed, Sep 19, 2007	42.55	43.09	42.18	42.90
3855	NYSE	BKH	Tue, Sep 18, 2007	41.09	42.37	41.06	42.20
3854	NYSE	BKH	Mon, Sep 17, 2007	41.39	41.45	40.82	40.96
3853	NYSE	BKH	Fri, Sep 14, 2007	41.20	41.62	40.81	41.42
3852	NYSE	BKH	Thu, Sep 13, 2007	41.77	41.97	41.17	41.40
3851	NYSE	BKH	Wed, Sep 12, 2007	41.81	41.81	41.11	41.59
3850	NYSE	BKH	Tue, Sep 11, 2007	41.74	41.79	41.07	41.76
3849	NYSE	BKH	Mon, Sep 10, 2007	41.79	41.97	41.00	41.29
3848	NYSE	BKH	Fri, Sep 7, 2007	42.44	42.64	41.25	41.52
3847	NYSE	BKH	Thu, Sep 6, 2007	42.65	42.97	41.90	42.85
3846	NYSE	BKH	Wed, Sep 5, 2007	42.01	42.71	41.85	42.37
3845	NYSE	BKH	Tue, Sep 4, 2007	40.98	42.46	40.88	42.21
3844	NYSE	BKH	Fri, Aug 31, 2007	41.31	41.44	40.47	41.19
3843	NYSE	BKH	Thu, Aug 30, 2007	41.43	41.71	40.68	40.99
3842	NYSE	BKH	Wed, Aug 29, 2007	40.53	41.54	40.38	41.54
3841	NYSE	BKH	Tue, Aug 28, 2007	40.78	41.04	39.97	40.12
3840	NYSE	BKH	Mon, Aug 27, 2007	42.11	42.11	40.63	40.90
3839	NYSE	BKH	Fri, Aug 24, 2007	41.91	42.31	41.52	42.23
3838	NYSE	BKH	Thu, Aug 23, 2007	42.20	42.51	41.55	41.80
3837	NYSE	BKH	Wed, Aug 22, 2007	42.54	43.03	41.28	42.30
3836	NYSE	BKH	Tue, Aug 21, 2007	42.41	43.00	41.95	42.07
3835	NYSE	BKH	Mon, Aug 20, 2007	42.41	43.31	42.02	42.75
3834	NYSE	BKH	Fri, Aug 17, 2007	41.35	44.22	41.29	42.18
3833	NYSE	BKH	Thu, Aug 16, 2007	40.16	41.64	39.50	41.35
3832	NYSE	BKH	Wed, Aug 15, 2007	40.53	41.73	40.18	40.29
3831	NYSE	BKH	Tue, Aug 14, 2007	41.27	41.45	40.27	40.82
3830	NYSE	BKH	Mon, Aug 13, 2007	42.27	43.41	40.51	40.97
3829	NYSE	BKH	Fri, Aug 10, 2007	43.58	44.48	40.91	41.88
3828	NYSE	BKH	Thu, Aug 9, 2007	41.40	44.48	39.75	43.60
3827	NYSE	BKH	Wed, Aug 8, 2007	41.14	44.09	40.27	41.39
3826	NYSE	BKH	Tue, Aug 7, 2007	39.09	40.62	38.79	40.25
3825	NYSE	BKH	Mon, Aug 6, 2007	37.46	39.61	36.84	39.45
3824	NYSE	BKH	Fri, Aug 3, 2007	39.01	39.10	37.13	37.18
3823	NYSE	BKH	Thu, Aug 2, 2007	38.26	39.13	38.23	39.10
3822	NYSE	BKH	Wed, Aug 1, 2007	37.24	38.39	36.99	38.21
3821	NYSE	BKH	Tue, Jul 31, 2007	38.15	38.44	37.28	37.30
3820	NYSE	BKH	Mon, Jul 30, 2007	37.82	38.24	37.32	37.90
3819	NYSE	BKH	Fri, Jul 27, 2007	38.80	39.15	37.93	37.93
3818	NYSE	BKH	Thu, Jul 26, 2007	39.35	39.59	38.30	38.69
3817	NYSE	BKH	Wed, Jul 25, 2007	39.84	40.23	39.20	39.90
3816	NYSE	BKH	Tue, Jul 24, 2007	40.27	40.38	39.57	39.63
3815	NYSE	BKH	Mon, Jul 23, 2007	40.50	41.07	40.42	40.69
3814	NYSE	BKH	Fri, Jul 20, 2007	41.06	41.06	40.32	40.48
3813	NYSE	BKH	Thu, Jul 19, 2007	40.70	41.20	40.48	41.15
3812	NYSE	BKH	Wed, Jul 18, 2007	40.15	40.63	39.95	40.61
3811	NYSE	BKH	Tue, Jul 17, 2007	40.23	40.73	40.21	40.26
3810	NYSE	BKH	Mon, Jul 16, 2007	41.25	41.25	40.27	40.43
3809	NYSE	BKH	Fri, Jul 13, 2007	40.90	41.53	40.68	41.43
3808	NYSE	BKH	Thu, Jul 12, 2007	40.69	41.09	40.60	41.09
3807	NYSE	BKH	Wed, Jul 11, 2007	39.86	40.35	39.84	40.33
3806	NYSE	BKH	Tue, Jul 10, 2007	40.58	40.94	39.90	39.93
3805	NYSE	BKH	Mon, Jul 9, 2007	41.10	41.40	40.77	40.94
3804	NYSE	BKH	Fri, Jul 6, 2007	40.85	41.20	40.61	40.86
3803	NYSE	BKH	Thu, Jul 5, 2007	40.82	40.89	40.13	40.87
3802	NYSE	BKH	Tue, Jul 3, 2007	40.64	40.88	40.11	40.56
3801	NYSE	BKH	Mon, Jul 2, 2007	40.05	40.68	39.93	40.68
3800	NYSE	BKH	Fri, Jun 29, 2007	40.17	40.37	39.57	39.75
3799	NYSE	BKH	Thu, Jun 28, 2007	39.82	40.36	39.82	39.92
3798	NYSE	BKH	Wed, Jun 27, 2007	38.77	39.74	38.63	39.74
3797	NYSE	BKH	Tue, Jun 26, 2007	38.85	39.24	38.76	39.07
3796	NYSE	BKH	Mon, Jun 25, 2007	39.00	39.26	38.46	38.61
3795	NYSE	BKH	Fri, Jun 22, 2007	39.43	39.43	38.59	39.02
3794	NYSE	BKH	Thu, Jun 21, 2007	39.40	39.67	39.10	39.45
3793	NYSE	BKH	Wed, Jun 20, 2007	40.64	40.67	39.34	39.36
3792	NYSE	BKH	Tue, Jun 19, 2007	40.45	41.02	40.40	40.62
3791	NYSE	BKH	Mon, Jun 18, 2007	41.05	41.05	40.42	40.67
3790	NYSE	BKH	Fri, Jun 15, 2007	41.00	41.21	40.68	40.75
3789	NYSE	BKH	Thu, Jun 14, 2007	40.40	40.56	40.02	40.35
3788	NYSE	BKH	Wed, Jun 13, 2007	39.74	40.27	39.72	40.06
3787	NYSE	BKH	Tue, Jun 12, 2007	39.61	39.94	39.39	39.45
3786	NYSE	BKH	Mon, Jun 11, 2007	38.97	39.98	38.89	39.69
3785	NYSE	BKH	Fri, Jun 8, 2007	38.84	39.33	38.56	39.13
3784	NYSE	BKH	Thu, Jun 7, 2007	40.14	40.44	38.86	38.86
3783	NYSE	BKH	Wed, Jun 6, 2007	41.69	41.73	40.36	40.44
3782	NYSE	BKH	Tue, Jun 5, 2007	41.00	41.32	40.73	40.85
3781	NYSE	BKH	Mon, Jun 4, 2007	41.11	41.47	41.08	41.15
3780	NYSE	BKH	Fri, Jun 1, 2007	41.23	41.58	41.08	41.38
3779	NYSE	BKH	Thu, May 31, 2007	40.98	41.22	40.56	40.99
3778	NYSE	BKH	Wed, May 30, 2007	40.55	40.82	40.13	40.82
3777	NYSE	BKH	Tue, May 29, 2007	40.69	41.09	40.48	40.55
3776	NYSE	BKH	Fri, May 25, 2007	40.35	40.81	39.96	40.40
3775	NYSE	BKH	Thu, May 24, 2007	40.85	41.11	39.97	40.10
3774	NYSE	BKH	Wed, May 23, 2007	41.72	41.89	40.78	40.85
3773	NYSE	BKH	Tue, May 22, 2007	41.74	41.74	41.26	41.45
3772	NYSE	BKH	Mon, May 21, 2007	41.37	41.52	41.10	41.33
3771	NYSE	BKH	Fri, May 18, 2007	40.82	41.35	40.66	41.23
3770	NYSE	BKH	Thu, May 17, 2007	40.85	41.00	40.50	40.72
3769	NYSE	BKH	Wed, May 16, 2007	41.24	41.26	40.52	40.85
3768	NYSE	BKH	Tue, May 15, 2007	42.15	42.59	41.12	41.21
3767	NYSE	BKH	Mon, May 14, 2007	42.07	42.50	42.03	42.36
3766	NYSE	BKH	Fri, May 11, 2007	41.43	42.10	41.43	42.03
3765	NYSE	BKH	Thu, May 10, 2007	41.66	41.71	41.34	41.43
3764	NYSE	BKH	Wed, May 9, 2007	41.95	41.96	41.51	41.85
3763	NYSE	BKH	Tue, May 8, 2007	41.79	42.13	41.43	42.05
3762	NYSE	BKH	Mon, May 7, 2007	41.53	41.92	41.32	41.79
3761	NYSE	BKH	Fri, May 4, 2007	41.28	41.59	41.13	41.53
3760	NYSE	BKH	Thu, May 3, 2007	40.90	41.25	40.83	41.20
3759	NYSE	BKH	Wed, May 2, 2007	39.96	40.90	39.95	40.82
3758	NYSE	BKH	Tue, May 1, 2007	39.85	40.02	39.64	39.91
3757	NYSE	BKH	Mon, Apr 30, 2007	39.37	40.00	39.37	39.81
3756	NYSE	BKH	Fri, Apr 27, 2007	39.50	39.98	39.15	39.45
3755	NYSE	BKH	Thu, Apr 26, 2007	39.25	39.25	38.85	39.04
3754	NYSE	BKH	Wed, Apr 25, 2007	39.42	39.60	39.08	39.12
3753	NYSE	BKH	Tue, Apr 24, 2007	39.31	39.44	38.87	39.22
3752	NYSE	BKH	Mon, Apr 23, 2007	38.85	39.32	38.79	39.23
3751	NYSE	BKH	Fri, Apr 20, 2007	38.95	39.01	38.65	39.01
3750	NYSE	BKH	Thu, Apr 19, 2007	38.43	38.62	38.13	38.36
3749	NYSE	BKH	Wed, Apr 18, 2007	38.80	38.88	38.38	38.57
3748	NYSE	BKH	Tue, Apr 17, 2007	38.85	39.08	38.49	38.80
3747	NYSE	BKH	Mon, Apr 16, 2007	39.04	39.19	38.82	39.04
3746	NYSE	BKH	Fri, Apr 13, 2007	38.91	38.96	38.61	38.78
3745	NYSE	BKH	Thu, Apr 12, 2007	38.63	38.91	38.50	38.91
3744	NYSE	BKH	Wed, Apr 11, 2007	38.72	38.89	38.42	38.67
3743	NYSE	BKH	Tue, Apr 10, 2007	38.37	38.90	38.34	38.68
3742	NYSE	BKH	Mon, Apr 9, 2007	38.23	38.68	38.03	38.41
3741	NYSE	BKH	Thu, Apr 5, 2007	37.98	38.74	37.91	38.23
3740	NYSE	BKH	Wed, Apr 4, 2007	38.00	38.33	37.65	37.98
3739	NYSE	BKH	Tue, Apr 3, 2007	37.81	38.15	37.65	37.76
3738	NYSE	BKH	Mon, Apr 2, 2007	36.92	37.76	36.86	37.76
3737	NYSE	BKH	Fri, Mar 30, 2007	37.34	37.49	36.36	36.77
3736	NYSE	BKH	Thu, Mar 29, 2007	37.37	37.39	36.77	37.15
3735	NYSE	BKH	Wed, Mar 28, 2007	36.99	37.07	36.69	37.00
3734	NYSE	BKH	Tue, Mar 27, 2007	37.40	37.40	36.93	36.98
3733	NYSE	BKH	Mon, Mar 26, 2007	37.30	37.53	36.96	37.40
3732	NYSE	BKH	Fri, Mar 23, 2007	37.32	37.50	37.15	37.32
3731	NYSE	BKH	Thu, Mar 22, 2007	37.35	37.49	37.13	37.41
3730	NYSE	BKH	Wed, Mar 21, 2007	36.85	37.37	36.70	37.35
3729	NYSE	BKH	Tue, Mar 20, 2007	36.43	36.85	36.34	36.85
3728	NYSE	BKH	Mon, Mar 19, 2007	36.14	36.90	36.14	36.50
3727	NYSE	BKH	Fri, Mar 16, 2007	36.75	36.75	36.05	36.14
3726	NYSE	BKH	Thu, Mar 15, 2007	36.35	36.84	36.26	36.75
3725	NYSE	BKH	Wed, Mar 14, 2007	35.76	36.52	35.68	36.25
3724	NYSE	BKH	Tue, Mar 13, 2007	36.25	36.46	35.75	35.76
3723	NYSE	BKH	Mon, Mar 12, 2007	36.02	36.51	36.02	36.37
3722	NYSE	BKH	Fri, Mar 9, 2007	36.09	36.21	35.86	36.13
3721	NYSE	BKH	Thu, Mar 8, 2007	36.20	36.31	35.79	35.90
3720	NYSE	BKH	Wed, Mar 7, 2007	36.10	36.24	35.88	36.01
3719	NYSE	BKH	Tue, Mar 6, 2007	36.00	36.26	35.93	36.13
3718	NYSE	BKH	Mon, Mar 5, 2007	36.00	36.24	35.84	35.84
3717	NYSE	BKH	Fri, Mar 2, 2007	36.37	36.69	36.02	36.04
3716	NYSE	BKH	Thu, Mar 1, 2007	35.96	36.50	35.40	36.37
3715	NYSE	BKH	Wed, Feb 28, 2007	35.95	36.46	35.55	35.98
3714	NYSE	BKH	Tue, Feb 27, 2007	36.85	37.19	36.00	36.00
3713	NYSE	BKH	Mon, Feb 26, 2007	37.86	38.06	37.25	37.50
3712	NYSE	BKH	Fri, Feb 23, 2007	37.39	37.50	37.05	37.48
3711	NYSE	BKH	Thu, Feb 22, 2007	37.24	37.52	37.15	37.52
3710	NYSE	BKH	Wed, Feb 21, 2007	37.02	37.26	36.97	37.12
3709	NYSE	BKH	Tue, Feb 20, 2007	37.60	37.98	37.01	37.89
3708	NYSE	BKH	Fri, Feb 16, 2007	37.58	37.71	36.74	37.71
3707	NYSE	BKH	Thu, Feb 15, 2007	38.32	38.49	37.31	37.58
3706	NYSE	BKH	Wed, Feb 14, 2007	39.45	39.63	39.01	39.10
3705	NYSE	BKH	Tue, Feb 13, 2007	39.10	39.51	38.92	39.51
3704	NYSE	BKH	Mon, Feb 12, 2007	38.89	39.63	38.88	39.44
3703	NYSE	BKH	Fri, Feb 9, 2007	38.88	39.19	38.66	38.84
3702	NYSE	BKH	Thu, Feb 8, 2007	39.19	39.19	38.78	38.90
3701	NYSE	BKH	Wed, Feb 7, 2007	39.09	39.14	38.84	39.08
3700	NYSE	BKH	Tue, Feb 6, 2007	38.14	39.08	38.14	39.08
3699	NYSE	BKH	Mon, Feb 5, 2007	37.99	38.37	37.82	38.25
3698	NYSE	BKH	Fri, Feb 2, 2007	37.80	38.01	37.65	37.99
3697	NYSE	BKH	Thu, Feb 1, 2007	37.26	37.72	37.26	37.67
3696	NYSE	BKH	Wed, Jan 31, 2007	37.33	37.49	36.91	37.07
3695	NYSE	BKH	Tue, Jan 30, 2007	37.37	37.48	37.12	37.43
3694	NYSE	BKH	Mon, Jan 29, 2007	37.24	37.64	37.06	37.20
3693	NYSE	BKH	Fri, Jan 26, 2007	37.23	37.34	36.80	37.31
3692	NYSE	BKH	Thu, Jan 25, 2007	37.55	37.56	36.86	37.11
3691	NYSE	BKH	Wed, Jan 24, 2007	37.41	37.62	37.08	37.61
3690	NYSE	BKH	Tue, Jan 23, 2007	36.86	37.68	36.80	37.41
3689	NYSE	BKH	Mon, Jan 22, 2007	37.31	37.32	36.80	37.00
3688	NYSE	BKH	Fri, Jan 19, 2007	36.87	37.40	36.71	37.40
3687	NYSE	BKH	Thu, Jan 18, 2007	37.30	37.38	36.77	36.93
3686	NYSE	BKH	Wed, Jan 17, 2007	37.20	37.62	37.17	37.33
3685	NYSE	BKH	Tue, Jan 16, 2007	37.39	37.70	37.16	37.27
3684	NYSE	BKH	Fri, Jan 12, 2007	37.35	37.59	37.11	37.24
3683	NYSE	BKH	Thu, Jan 11, 2007	37.54	37.86	37.22	37.35
3682	NYSE	BKH	Wed, Jan 10, 2007	37.15	37.44	36.96	37.33
3681	NYSE	BKH	Tue, Jan 9, 2007	37.03	37.30	36.84	37.25
3680	NYSE	BKH	Mon, Jan 8, 2007	37.05	37.05	36.75	36.96
3679	NYSE	BKH	Fri, Jan 5, 2007	36.98	37.68	36.98	37.11
3678	NYSE	BKH	Thu, Jan 4, 2007	37.65	37.90	37.34	37.86
3677	NYSE	BKH	Wed, Jan 3, 2007	37.19	37.81	37.01	37.81
3676	NYSE	BKH	Fri, Dec 29, 2006	37.30	37.39	36.83	36.94
3675	NYSE	BKH	Thu, Dec 28, 2006	37.87	37.95	37.29	37.29
3674	NYSE	BKH	Wed, Dec 27, 2006	37.55	37.94	37.44	37.93
3673	NYSE	BKH	Tue, Dec 26, 2006	36.70	37.45	36.68	37.44
3672	NYSE	BKH	Fri, Dec 22, 2006	36.75	36.85	36.33	36.70
3671	NYSE	BKH	Thu, Dec 21, 2006	37.05	37.25	36.50	36.77
3670	NYSE	BKH	Wed, Dec 20, 2006	36.85	37.04	36.68	36.93
3669	NYSE	BKH	Tue, Dec 19, 2006	36.79	36.93	36.32	36.82
3668	NYSE	BKH	Mon, Dec 18, 2006	37.43	37.51	36.74	36.79
3667	NYSE	BKH	Fri, Dec 15, 2006	37.25	37.59	36.93	37.43
3666	NYSE	BKH	Thu, Dec 14, 2006	36.62	37.16	36.52	37.16
3665	NYSE	BKH	Wed, Dec 13, 2006	36.10	36.71	36.10	36.62
3664	NYSE	BKH	Tue, Dec 12, 2006	35.55	36.03	35.55	35.93
3663	NYSE	BKH	Mon, Dec 11, 2006	35.69	35.92	35.66	35.90
3662	NYSE	BKH	Fri, Dec 8, 2006	36.30	36.35	35.77	35.83
3661	NYSE	BKH	Thu, Dec 7, 2006	36.70	36.70	36.34	36.44
3660	NYSE	BKH	Wed, Dec 6, 2006	36.50	36.79	36.48	36.76
3659	NYSE	BKH	Tue, Dec 5, 2006	36.47	36.69	36.34	36.57
3658	NYSE	BKH	Mon, Dec 4, 2006	36.25	36.81	36.25	36.50
3657	NYSE	BKH	Fri, Dec 1, 2006	35.63	36.20	35.45	36.17
3656	NYSE	BKH	Thu, Nov 30, 2006	35.42	35.77	35.13	35.71
3655	NYSE	BKH	Wed, Nov 29, 2006	34.59	35.31	34.59	35.31
3654	NYSE	BKH	Tue, Nov 28, 2006	34.26	34.82	34.21	34.74
3653	NYSE	BKH	Mon, Nov 27, 2006	34.92	34.92	34.16	34.26
3652	NYSE	BKH	Fri, Nov 24, 2006	34.61	35.16	34.56	35.14
3651	NYSE	BKH	Wed, Nov 22, 2006	34.70	35.01	34.70	34.86
3650	NYSE	BKH	Tue, Nov 21, 2006	34.70	34.78	34.55	34.77
3649	NYSE	BKH	Mon, Nov 20, 2006	35.04	35.38	34.88	35.08
3648	NYSE	BKH	Fri, Nov 17, 2006	35.34	35.42	34.99	35.42
3647	NYSE	BKH	Thu, Nov 16, 2006	35.36	35.50	35.05	35.38
3646	NYSE	BKH	Wed, Nov 15, 2006	35.10	35.42	35.01	35.42
3645	NYSE	BKH	Tue, Nov 14, 2006	35.20	35.65	35.04	35.63
3644	NYSE	BKH	Mon, Nov 13, 2006	34.90	35.32	34.85	35.20
3643	NYSE	BKH	Fri, Nov 10, 2006	34.68	35.15	34.68	35.02
3642	NYSE	BKH	Thu, Nov 9, 2006	34.79	34.99	34.53	34.73
3641	NYSE	BKH	Wed, Nov 8, 2006	34.08	35.07	34.06	34.91
3640	NYSE	BKH	Tue, Nov 7, 2006	34.39	34.65	34.06	34.28
3639	NYSE	BKH	Mon, Nov 6, 2006	34.17	34.72	33.90	34.54
3638	NYSE	BKH	Fri, Nov 3, 2006	34.00	34.15	33.49	34.07
3637	NYSE	BKH	Thu, Nov 2, 2006	33.50	33.98	33.49	33.88
3636	NYSE	BKH	Wed, Nov 1, 2006	34.43	34.69	33.98	34.00
3635	NYSE	BKH	Tue, Oct 31, 2006	34.08	34.59	34.03	34.51
3634	NYSE	BKH	Mon, Oct 30, 2006	34.21	34.48	34.07	34.14
3633	NYSE	BKH	Fri, Oct 27, 2006	34.35	34.75	34.18	34.35
3632	NYSE	BKH	Thu, Oct 26, 2006	35.04	35.04	34.34	34.76
3631	NYSE	BKH	Wed, Oct 25, 2006	34.62	35.18	34.45	34.84
3630	NYSE	BKH	Tue, Oct 24, 2006	34.58	34.80	34.36	34.75
3629	NYSE	BKH	Mon, Oct 23, 2006	34.87	34.98	34.66	34.78
3628	NYSE	BKH	Fri, Oct 20, 2006	34.87	35.11	34.67	35.07
3627	NYSE	BKH	Thu, Oct 19, 2006	34.57	34.99	34.57	34.81
3626	NYSE	BKH	Wed, Oct 18, 2006	34.51	34.98	34.43	34.67
3625	NYSE	BKH	Tue, Oct 17, 2006	34.60	34.88	34.60	34.71
3624	NYSE	BKH	Mon, Oct 16, 2006	34.35	34.85	34.35	34.72
3623	NYSE	BKH	Fri, Oct 13, 2006	34.36	34.70	34.36	34.53
3622	NYSE	BKH	Thu, Oct 12, 2006	34.52	34.60	34.20	34.55
3621	NYSE	BKH	Wed, Oct 11, 2006	33.90	34.60	33.90	34.38
3620	NYSE	BKH	Tue, Oct 10, 2006	34.05	34.22	33.80	34.19
3619	NYSE	BKH	Mon, Oct 9, 2006	33.90	34.21	33.84	34.19
3618	NYSE	BKH	Fri, Oct 6, 2006	34.02	34.22	33.73	34.08
3617	NYSE	BKH	Thu, Oct 5, 2006	33.87	34.45	33.87	34.31
3616	NYSE	BKH	Wed, Oct 4, 2006	33.40	34.17	33.38	34.16
3615	NYSE	BKH	Tue, Oct 3, 2006	33.60	33.81	33.41	33.50
3614	NYSE	BKH	Mon, Oct 2, 2006	33.45	33.90	33.40	33.67
3613	NYSE	BKH	Fri, Sep 29, 2006	33.98	34.49	33.55	33.61
3612	NYSE	BKH	Thu, Sep 28, 2006	34.00	34.38	33.81	34.00
3611	NYSE	BKH	Wed, Sep 27, 2006	33.85	34.23	33.26	34.13
3610	NYSE	BKH	Tue, Sep 26, 2006	33.95	34.36	33.84	34.02
3609	NYSE	BKH	Mon, Sep 25, 2006	33.63	34.45	33.43	34.20
3608	NYSE	BKH	Fri, Sep 22, 2006	33.95	34.04	33.74	33.81
3607	NYSE	BKH	Thu, Sep 21, 2006	34.59	34.79	34.20	34.31
3606	NYSE	BKH	Wed, Sep 20, 2006	35.10	35.39	34.57	34.67
3605	NYSE	BKH	Tue, Sep 19, 2006	34.80	35.82	34.80	35.22
3604	NYSE	BKH	Mon, Sep 18, 2006	34.90	35.01	34.61	35.01
3603	NYSE	BKH	Fri, Sep 15, 2006	34.77	35.12	34.62	35.07
3602	NYSE	BKH	Thu, Sep 14, 2006	34.92	35.27	34.56	34.72
3601	NYSE	BKH	Wed, Sep 13, 2006	34.28	34.81	34.05	34.73
3600	NYSE	BKH	Tue, Sep 12, 2006	34.27	34.57	34.08	34.40
3599	NYSE	BKH	Mon, Sep 11, 2006	34.20	34.46	34.03	34.30
3598	NYSE	BKH	Fri, Sep 8, 2006	34.65	34.65	34.34	34.38
3597	NYSE	BKH	Thu, Sep 7, 2006	34.46	34.67	34.40	34.50
3596	NYSE	BKH	Wed, Sep 6, 2006	34.75	34.76	34.28	34.66
3595	NYSE	BKH	Tue, Sep 5, 2006	34.95	35.32	34.81	35.14
3594	NYSE	BKH	Fri, Sep 1, 2006	34.70	35.39	34.70	35.14
3593	NYSE	BKH	Thu, Aug 31, 2006	34.86	34.96	34.71	34.81
3592	NYSE	BKH	Wed, Aug 30, 2006	34.78	35.08	34.65	34.85
3591	NYSE	BKH	Tue, Aug 29, 2006	34.66	34.94	34.33	34.90
3590	NYSE	BKH	Mon, Aug 28, 2006	34.70	34.91	34.25	34.49
3589	NYSE	BKH	Fri, Aug 25, 2006	34.69	35.06	34.57	34.95
3588	NYSE	BKH	Thu, Aug 24, 2006	34.79	34.93	34.43	34.83
3587	NYSE	BKH	Wed, Aug 23, 2006	35.23	35.40	34.60	34.79
3586	NYSE	BKH	Tue, Aug 22, 2006	34.85	35.54	34.85	35.41
3585	NYSE	BKH	Mon, Aug 21, 2006	34.86	35.32	34.86	35.17
3584	NYSE	BKH	Fri, Aug 18, 2006	35.01	35.23	34.94	35.12
3583	NYSE	BKH	Thu, Aug 17, 2006	34.67	35.14	34.67	35.11
3582	NYSE	BKH	Wed, Aug 16, 2006	35.04	35.04	34.69	34.90
3581	NYSE	BKH	Tue, Aug 15, 2006	35.13	35.55	35.11	35.41
3580	NYSE	BKH	Mon, Aug 14, 2006	35.25	35.53	34.83	35.07
3579	NYSE	BKH	Fri, Aug 11, 2006	35.16	35.35	34.71	35.26
3578	NYSE	BKH	Thu, Aug 10, 2006	35.43	35.75	35.17	35.40
3577	NYSE	BKH	Wed, Aug 9, 2006	35.60	36.06	35.39	35.42
3576	NYSE	BKH	Tue, Aug 8, 2006	36.10	36.21	35.75	35.92
3575	NYSE	BKH	Mon, Aug 7, 2006	35.96	36.25	35.84	35.95
3574	NYSE	BKH	Fri, Aug 4, 2006	36.35	36.69	35.81	36.14
3573	NYSE	BKH	Thu, Aug 3, 2006	36.22	36.56	36.10	36.32
3572	NYSE	BKH	Wed, Aug 2, 2006	36.30	36.86	36.20	36.42
3571	NYSE	BKH	Tue, Aug 1, 2006	35.58	36.34	35.48	36.23
3570	NYSE	BKH	Mon, Jul 31, 2006	35.71	35.95	35.56	35.83
3569	NYSE	BKH	Fri, Jul 28, 2006	35.40	36.20	35.40	35.90
3568	NYSE	BKH	Thu, Jul 27, 2006	35.97	36.62	35.49	35.62
3567	NYSE	BKH	Wed, Jul 26, 2006	35.81	36.22	35.46	36.06
3566	NYSE	BKH	Tue, Jul 25, 2006	35.95	36.30	35.73	36.00
3565	NYSE	BKH	Mon, Jul 24, 2006	35.05	35.96	34.94	35.95
3564	NYSE	BKH	Fri, Jul 21, 2006	34.86	35.09	34.61	34.90
3563	NYSE	BKH	Thu, Jul 20, 2006	34.85	35.10	34.72	34.86
3562	NYSE	BKH	Wed, Jul 19, 2006	34.02	35.20	33.98	34.92
3561	NYSE	BKH	Tue, Jul 18, 2006	33.80	34.10	33.53	34.07
3560	NYSE	BKH	Mon, Jul 17, 2006	33.45	33.74	33.30	33.66
3559	NYSE	BKH	Fri, Jul 14, 2006	33.90	34.06	33.20	33.74
3558	NYSE	BKH	Thu, Jul 13, 2006	34.05	34.52	33.70	33.80
3557	NYSE	BKH	Wed, Jul 12, 2006	34.35	34.54	34.21	34.41
3556	NYSE	BKH	Tue, Jul 11, 2006	33.80	34.58	33.66	34.58
3555	NYSE	BKH	Mon, Jul 10, 2006	33.48	34.01	33.40	33.97
3554	NYSE	BKH	Fri, Jul 7, 2006	33.70	34.20	33.49	33.60
3553	NYSE	BKH	Thu, Jul 6, 2006	33.99	34.11	33.57	33.93
3552	NYSE	BKH	Wed, Jul 5, 2006	34.15	34.15	33.61	34.11
3551	NYSE	BKH	Mon, Jul 3, 2006	33.74	34.37	33.60	34.37
3550	NYSE	BKH	Fri, Jun 30, 2006	34.43	34.70	34.27	34.33
3549	NYSE	BKH	Thu, Jun 29, 2006	33.95	34.53	33.81	34.49
3548	NYSE	BKH	Wed, Jun 28, 2006	33.25	33.91	33.07	33.75
3547	NYSE	BKH	Tue, Jun 27, 2006	33.13	33.83	32.99	33.16
3546	NYSE	BKH	Mon, Jun 26, 2006	33.00	33.52	33.00	33.24
3545	NYSE	BKH	Fri, Jun 23, 2006	32.82	33.42	32.78	33.16
3544	NYSE	BKH	Thu, Jun 22, 2006	32.91	33.15	32.76	33.03
3543	NYSE	BKH	Wed, Jun 21, 2006	32.61	33.35	32.61	33.13
3542	NYSE	BKH	Tue, Jun 20, 2006	32.73	33.12	32.46	32.75
3541	NYSE	BKH	Mon, Jun 19, 2006	33.60	33.63	32.50	32.86
3540	NYSE	BKH	Fri, Jun 16, 2006	33.78	33.90	33.40	33.77
3539	NYSE	BKH	Thu, Jun 15, 2006	33.52	33.86	32.95	33.77
3538	NYSE	BKH	Wed, Jun 14, 2006	33.58	33.90	33.33	33.52
3537	NYSE	BKH	Tue, Jun 13, 2006	34.49	34.81	33.46	33.75
3536	NYSE	BKH	Mon, Jun 12, 2006	35.00	35.10	34.60	34.66
3535	NYSE	BKH	Fri, Jun 9, 2006	34.81	35.33	34.74	35.11
3534	NYSE	BKH	Thu, Jun 8, 2006	34.00	35.00	33.81	34.89
3533	NYSE	BKH	Wed, Jun 7, 2006	33.86	34.51	33.75	34.35
3532	NYSE	BKH	Tue, Jun 6, 2006	33.94	34.30	33.49	34.02
3531	NYSE	BKH	Mon, Jun 5, 2006	34.65	34.83	33.95	34.03
3530	NYSE	BKH	Fri, Jun 2, 2006	34.79	34.97	34.40	34.89
3529	NYSE	BKH	Thu, Jun 1, 2006	33.75	34.73	33.75	34.71
3528	NYSE	BKH	Wed, May 31, 2006	33.00	33.85	33.00	33.83
3527	NYSE	BKH	Tue, May 30, 2006	33.40	33.77	33.16	33.26
3526	NYSE	BKH	Fri, May 26, 2006	33.60	33.78	33.34	33.50
3525	NYSE	BKH	Thu, May 25, 2006	33.71	33.96	33.40	33.63
3524	NYSE	BKH	Wed, May 24, 2006	33.10	33.83	32.92	33.71
3523	NYSE	BKH	Tue, May 23, 2006	33.97	34.45	33.20	33.35
3522	NYSE	BKH	Mon, May 22, 2006	33.28	34.34	33.02	34.00
3521	NYSE	BKH	Fri, May 19, 2006	33.90	34.12	33.38	33.77
3520	NYSE	BKH	Thu, May 18, 2006	34.15	34.38	33.90	33.96
3519	NYSE	BKH	Wed, May 17, 2006	34.40	34.67	33.99	34.25
3518	NYSE	BKH	Tue, May 16, 2006	34.25	34.75	34.14	34.58
3517	NYSE	BKH	Mon, May 15, 2006	34.85	35.38	34.52	35.30
3516	NYSE	BKH	Fri, May 12, 2006	35.15	35.49	34.70	35.05
3515	NYSE	BKH	Thu, May 11, 2006	36.15	36.35	35.36	35.62
3514	NYSE	BKH	Wed, May 10, 2006	36.51	36.71	36.22	36.30
3513	NYSE	BKH	Tue, May 9, 2006	36.65	37.06	36.46	36.76
3512	NYSE	BKH	Mon, May 8, 2006	36.40	36.96	36.36	36.92
3511	NYSE	BKH	Fri, May 5, 2006	37.05	37.52	36.55	36.63
3510	NYSE	BKH	Thu, May 4, 2006	36.70	37.45	36.50	37.31
3509	NYSE	BKH	Wed, May 3, 2006	36.35	36.95	36.18	36.82
3508	NYSE	BKH	Tue, May 2, 2006	36.10	36.63	36.00	36.60
3507	NYSE	BKH	Mon, May 1, 2006	36.25	36.57	36.06	36.10
3506	NYSE	BKH	Fri, Apr 28, 2006	35.55	36.58	35.41	36.40
3505	NYSE	BKH	Thu, Apr 27, 2006	34.85	36.19	34.84	35.75
3504	NYSE	BKH	Wed, Apr 26, 2006	33.70	35.10	33.46	35.01
3503	NYSE	BKH	Tue, Apr 25, 2006	33.07	33.13	32.80	32.95
3502	NYSE	BKH	Mon, Apr 24, 2006	33.19	33.21	32.85	33.17
3501	NYSE	BKH	Fri, Apr 21, 2006	33.55	33.61	32.95	33.27
3500	NYSE	BKH	Thu, Apr 20, 2006	33.40	33.85	33.14	33.18
3499	NYSE	BKH	Wed, Apr 19, 2006	33.63	33.85	33.34	33.57
3498	NYSE	BKH	Tue, Apr 18, 2006	33.08	33.78	33.00	33.69
3497	NYSE	BKH	Mon, Apr 17, 2006	32.80	33.04	32.75	32.92
3496	NYSE	BKH	Thu, Apr 13, 2006	32.82	33.04	32.75	32.80
3495	NYSE	BKH	Wed, Apr 12, 2006	32.93	33.18	32.70	32.95
3494	NYSE	BKH	Tue, Apr 11, 2006	33.43	33.55	32.78	32.93
3493	NYSE	BKH	Mon, Apr 10, 2006	33.54	33.79	33.07	33.35
3492	NYSE	BKH	Fri, Apr 7, 2006	33.91	34.54	33.50	33.68
3491	NYSE	BKH	Thu, Apr 6, 2006	34.11	34.29	33.60	33.91
3490	NYSE	BKH	Wed, Apr 5, 2006	34.23	34.31	33.87	34.29
3489	NYSE	BKH	Tue, Apr 4, 2006	34.10	34.84	33.89	34.40
3488	NYSE	BKH	Mon, Apr 3, 2006	33.98	34.74	33.81	34.25
3487	NYSE	BKH	Fri, Mar 31, 2006	34.10	34.20	33.67	34.00
3486	NYSE	BKH	Thu, Mar 30, 2006	34.17	34.45	34.01	34.18
3485	NYSE	BKH	Wed, Mar 29, 2006	34.63	40.00	33.63	34.28
3484	NYSE	BKH	Tue, Mar 28, 2006	33.27	33.85	33.17	33.76
3483	NYSE	BKH	Mon, Mar 27, 2006	33.86	33.86	33.32	33.42
3482	NYSE	BKH	Fri, Mar 24, 2006	33.38	33.85	33.36	33.83
3481	NYSE	BKH	Thu, Mar 23, 2006	33.44	33.61	33.30	33.43
3480	NYSE	BKH	Wed, Mar 22, 2006	33.00	33.70	33.00	33.54
3479	NYSE	BKH	Tue, Mar 21, 2006	33.60	33.83	33.03	33.07
3478	NYSE	BKH	Mon, Mar 20, 2006	34.01	34.17	33.73	33.79
3477	NYSE	BKH	Fri, Mar 17, 2006	34.37	34.39	34.03	34.12
3476	NYSE	BKH	Thu, Mar 16, 2006	34.00	34.41	33.85	34.37
3475	NYSE	BKH	Wed, Mar 15, 2006	33.51	34.00	33.47	33.79
3474	NYSE	BKH	Tue, Mar 14, 2006	33.15	33.75	33.00	33.41
3473	NYSE	BKH	Mon, Mar 13, 2006	33.32	33.75	33.16	33.26
3472	NYSE	BKH	Fri, Mar 10, 2006	33.06	33.44	32.92	33.31
3471	NYSE	BKH	Thu, Mar 9, 2006	33.84	34.00	33.22	33.23
3470	NYSE	BKH	Wed, Mar 8, 2006	34.11	34.18	33.53	33.93
3469	NYSE	BKH	Tue, Mar 7, 2006	34.09	34.48	33.79	34.32
3468	NYSE	BKH	Mon, Mar 6, 2006	34.44	34.54	34.00	34.30
3467	NYSE	BKH	Fri, Mar 3, 2006	34.57	34.88	34.32	34.47
3466	NYSE	BKH	Thu, Mar 2, 2006	34.56	34.72	34.32	34.56
3465	NYSE	BKH	Wed, Mar 1, 2006	34.75	34.99	34.39	34.80
3464	NYSE	BKH	Tue, Feb 28, 2006	35.28	35.36	34.52	34.57
3463	NYSE	BKH	Mon, Feb 27, 2006	35.20	35.59	35.20	35.41
3462	NYSE	BKH	Fri, Feb 24, 2006	34.65	35.22	34.60	35.04
3461	NYSE	BKH	Thu, Feb 23, 2006	35.00	35.06	34.46	34.50
3460	NYSE	BKH	Wed, Feb 22, 2006	34.95	35.29	34.91	35.18
3459	NYSE	BKH	Tue, Feb 21, 2006	35.09	35.15	34.56	34.95
3458	NYSE	BKH	Fri, Feb 17, 2006	35.08	35.32	34.98	35.03
3457	NYSE	BKH	Thu, Feb 16, 2006	34.75	35.15	34.68	35.05
3456	NYSE	BKH	Wed, Feb 15, 2006	34.31	34.68	34.14	34.67
3455	NYSE	BKH	Tue, Feb 14, 2006	34.41	34.66	34.01	34.30
3454	NYSE	BKH	Mon, Feb 13, 2006	34.61	34.61	34.31	34.37
3453	NYSE	BKH	Fri, Feb 10, 2006	34.60	35.21	34.53	34.94
3452	NYSE	BKH	Thu, Feb 9, 2006	34.00	34.96	33.75	34.70
3451	NYSE	BKH	Wed, Feb 8, 2006	35.49	35.49	33.46	33.85
3450	NYSE	BKH	Tue, Feb 7, 2006	35.02	35.69	34.85	35.33
3449	NYSE	BKH	Mon, Feb 6, 2006	34.80	35.48	34.55	35.40
3448	NYSE	BKH	Fri, Feb 3, 2006	34.98	35.36	34.75	34.96
3447	NYSE	BKH	Thu, Feb 2, 2006	35.31	35.47	34.96	35.22
3446	NYSE	BKH	Wed, Feb 1, 2006	35.30	35.91	35.22	35.62
3445	NYSE	BKH	Tue, Jan 31, 2006	35.01	35.60	34.60	35.60
3444	NYSE	BKH	Mon, Jan 30, 2006	35.89	36.04	35.28	35.32
3443	NYSE	BKH	Fri, Jan 27, 2006	35.50	36.49	35.50	36.04
3442	NYSE	BKH	Thu, Jan 26, 2006	35.63	35.95	35.58	35.65
3441	NYSE	BKH	Wed, Jan 25, 2006	36.05	36.37	35.43	35.60
3440	NYSE	BKH	Tue, Jan 24, 2006	35.65	36.13	35.65	36.04
3439	NYSE	BKH	Mon, Jan 23, 2006	35.37	35.97	35.37	35.60
3438	NYSE	BKH	Fri, Jan 20, 2006	36.32	36.39	35.83	35.95
3437	NYSE	BKH	Thu, Jan 19, 2006	35.68	36.30	35.42	36.26
3436	NYSE	BKH	Wed, Jan 18, 2006	35.45	35.91	35.45	35.70
3435	NYSE	BKH	Tue, Jan 17, 2006	35.42	35.67	35.10	35.63
3434	NYSE	BKH	Fri, Jan 13, 2006	35.50	35.79	35.42	35.62
3433	NYSE	BKH	Thu, Jan 12, 2006	35.55	35.79	35.43	35.57
3432	NYSE	BKH	Wed, Jan 11, 2006	35.87	35.94	35.40	35.63
3431	NYSE	BKH	Tue, Jan 10, 2006	35.45	36.08	35.41	35.86
3430	NYSE	BKH	Mon, Jan 9, 2006	35.49	35.82	35.43	35.73
3429	NYSE	BKH	Fri, Jan 6, 2006	34.79	35.82	34.79	35.49
3428	NYSE	BKH	Thu, Jan 5, 2006	35.06	35.25	34.77	34.81
3427	NYSE	BKH	Wed, Jan 4, 2006	35.15	35.42	34.89	35.22
3426	NYSE	BKH	Tue, Jan 3, 2006	34.70	35.25	34.15	35.25
3425	NYSE	BKH	Fri, Dec 30, 2005	33.91	34.71	33.67	34.61
3424	NYSE	BKH	Thu, Dec 29, 2005	33.98	34.44	33.98	34.06
3423	NYSE	BKH	Wed, Dec 28, 2005	34.37	34.62	34.31	34.31
3422	NYSE	BKH	Tue, Dec 27, 2005	34.75	34.98	34.44	34.44
3421	NYSE	BKH	Fri, Dec 23, 2005	35.23	35.45	34.70	34.88
3420	NYSE	BKH	Thu, Dec 22, 2005	34.85	35.60	34.85	35.42
3419	NYSE	BKH	Wed, Dec 21, 2005	35.43	35.81	34.94	35.08
3418	NYSE	BKH	Tue, Dec 20, 2005	35.40	35.78	35.13	35.39
3417	NYSE	BKH	Mon, Dec 19, 2005	35.77	35.88	35.22	35.36
3416	NYSE	BKH	Fri, Dec 16, 2005	36.47	36.67	35.65	35.92
3415	NYSE	BKH	Thu, Dec 15, 2005	36.89	36.92	36.15	36.47
3414	NYSE	BKH	Wed, Dec 14, 2005	36.98	37.24	36.68	36.89
3413	NYSE	BKH	Tue, Dec 13, 2005	36.67	37.08	36.62	36.81
3412	NYSE	BKH	Mon, Dec 12, 2005	36.57	37.13	36.42	36.80
3411	NYSE	BKH	Fri, Dec 9, 2005	36.48	36.98	36.38	36.61
3410	NYSE	BKH	Thu, Dec 8, 2005	36.30	37.05	36.30	36.98
3409	NYSE	BKH	Wed, Dec 7, 2005	36.64	37.10	36.01	36.05
3408	NYSE	BKH	Tue, Dec 6, 2005	36.95	37.13	36.65	36.72
3407	NYSE	BKH	Mon, Dec 5, 2005	36.88	37.09	36.58	37.01
3406	NYSE	BKH	Fri, Dec 2, 2005	37.51	37.52	36.76	36.88
3405	NYSE	BKH	Thu, Dec 1, 2005	36.75	37.58	36.70	37.49
3404	NYSE	BKH	Wed, Nov 30, 2005	36.35	36.94	36.26	36.55
3403	NYSE	BKH	Tue, Nov 29, 2005	36.25	37.09	36.13	36.47
3402	NYSE	BKH	Mon, Nov 28, 2005	36.99	36.99	35.85	36.16
3401	NYSE	BKH	Fri, Nov 25, 2005	37.00	37.00	36.45	36.99
3400	NYSE	BKH	Wed, Nov 23, 2005	37.65	37.87	37.25	37.36
3399	NYSE	BKH	Tue, Nov 22, 2005	38.15	38.27	37.52	37.89
3398	NYSE	BKH	Mon, Nov 21, 2005	38.25	38.64	38.10	38.27
3397	NYSE	BKH	Fri, Nov 18, 2005	38.40	38.78	38.07	38.36
3396	NYSE	BKH	Thu, Nov 17, 2005	37.90	38.52	37.90	38.40
3395	NYSE	BKH	Wed, Nov 16, 2005	37.95	38.19	37.68	37.90
3394	NYSE	BKH	Tue, Nov 15, 2005	37.75	38.39	37.44	38.05
3393	NYSE	BKH	Mon, Nov 14, 2005	38.30	38.40	37.71	37.97
3392	NYSE	BKH	Fri, Nov 11, 2005	38.55	38.68	37.95	38.37
3391	NYSE	BKH	Thu, Nov 10, 2005	38.75	39.06	37.58	38.66
3390	NYSE	BKH	Wed, Nov 9, 2005	39.05	39.32	38.71	38.87
3389	NYSE	BKH	Tue, Nov 8, 2005	38.50	39.46	38.45	39.10
3388	NYSE	BKH	Mon, Nov 7, 2005	40.94	41.05	38.64	38.90
3387	NYSE	BKH	Fri, Nov 4, 2005	41.46	41.92	40.94	40.94
3386	NYSE	BKH	Thu, Nov 3, 2005	41.50	42.20	41.23	41.56
3385	NYSE	BKH	Wed, Nov 2, 2005	40.80	41.49	40.80	41.41
3384	NYSE	BKH	Tue, Nov 1, 2005	41.57	41.60	40.99	41.08
3383	NYSE	BKH	Mon, Oct 31, 2005	41.40	42.02	41.35	41.57
3382	NYSE	BKH	Fri, Oct 28, 2005	40.90	41.30	40.28	41.18
3381	NYSE	BKH	Thu, Oct 27, 2005	41.25	41.50	40.72	40.72
3380	NYSE	BKH	Wed, Oct 26, 2005	40.95	42.00	40.94	41.49
3379	NYSE	BKH	Tue, Oct 25, 2005	40.71	41.66	40.62	41.07
3378	NYSE	BKH	Mon, Oct 24, 2005	39.60	40.95	39.60	40.88
3377	NYSE	BKH	Fri, Oct 21, 2005	39.44	40.08	39.34	39.58
3376	NYSE	BKH	Thu, Oct 20, 2005	40.08	40.34	39.10	39.42
3375	NYSE	BKH	Wed, Oct 19, 2005	39.75	40.30	39.15	40.30
3374	NYSE	BKH	Tue, Oct 18, 2005	40.35	40.36	39.69	39.92
3373	NYSE	BKH	Mon, Oct 17, 2005	40.50	40.54	40.01	40.49
3372	NYSE	BKH	Fri, Oct 14, 2005	39.95	40.50	39.10	40.35
3371	NYSE	BKH	Thu, Oct 13, 2005	40.30	40.37	39.16	39.70
3370	NYSE	BKH	Wed, Oct 12, 2005	40.65	41.25	40.17	40.55
3369	NYSE	BKH	Tue, Oct 11, 2005	41.65	41.94	40.80	40.88
3368	NYSE	BKH	Mon, Oct 10, 2005	42.25	42.35	41.29	41.50
3367	NYSE	BKH	Fri, Oct 7, 2005	41.55	42.50	41.55	42.32
3366	NYSE	BKH	Thu, Oct 6, 2005	42.00	42.16	40.89	41.64
3365	NYSE	BKH	Wed, Oct 5, 2005	43.20	43.88	41.75	42.02
3364	NYSE	BKH	Tue, Oct 4, 2005	43.45	44.63	42.60	43.26
3363	NYSE	BKH	Mon, Oct 3, 2005	43.30	43.90	43.30	43.54
3362	NYSE	BKH	Fri, Sep 30, 2005	43.20	43.39	42.77	43.37
3361	NYSE	BKH	Thu, Sep 29, 2005	42.81	43.50	42.45	43.41
3360	NYSE	BKH	Wed, Sep 28, 2005	42.90	43.00	42.58	42.92
3359	NYSE	BKH	Tue, Sep 27, 2005	42.65	42.88	42.56	42.72
3358	NYSE	BKH	Mon, Sep 26, 2005	42.35	42.77	41.93	42.63
3357	NYSE	BKH	Fri, Sep 23, 2005	41.65	42.31	41.65	42.16
3356	NYSE	BKH	Thu, Sep 22, 2005	42.35	42.47	41.65	42.22
3355	NYSE	BKH	Wed, Sep 21, 2005	42.96	43.25	42.47	42.48
3354	NYSE	BKH	Tue, Sep 20, 2005	42.45	43.37	42.45	42.96
3353	NYSE	BKH	Mon, Sep 19, 2005	41.85	42.37	41.80	42.27
3352	NYSE	BKH	Fri, Sep 16, 2005	41.50	41.96	41.26	41.95
3351	NYSE	BKH	Thu, Sep 15, 2005	41.46	42.00	41.27	41.30
3350	NYSE	BKH	Wed, Sep 14, 2005	41.10	41.50	40.95	41.40
3349	NYSE	BKH	Tue, Sep 13, 2005	41.57	41.72	41.27	41.28
3348	NYSE	BKH	Mon, Sep 12, 2005	41.50	41.96	41.20	41.78
3347	NYSE	BKH	Fri, Sep 9, 2005	40.40	41.83	40.40	41.77
3346	NYSE	BKH	Thu, Sep 8, 2005	40.55	40.68	40.07	40.46
3345	NYSE	BKH	Wed, Sep 7, 2005	40.58	40.80	40.37	40.80
3344	NYSE	BKH	Tue, Sep 6, 2005	40.50	40.95	40.45	40.68
3343	NYSE	BKH	Fri, Sep 2, 2005	41.36	41.39	40.32	40.51
3342	NYSE	BKH	Thu, Sep 1, 2005	41.66	41.92	41.30	41.61
3341	NYSE	BKH	Wed, Aug 31, 2005	39.35	41.78	39.30	41.65
3340	NYSE	BKH	Tue, Aug 30, 2005	39.55	39.65	39.04	39.48
3339	NYSE	BKH	Mon, Aug 29, 2005	38.70	39.70	38.70	39.70
3338	NYSE	BKH	Fri, Aug 26, 2005	39.20	39.22	38.61	38.69
3337	NYSE	BKH	Thu, Aug 25, 2005	39.32	39.46	39.14	39.31
3336	NYSE	BKH	Wed, Aug 24, 2005	39.50	39.95	38.82	39.20
3335	NYSE	BKH	Tue, Aug 23, 2005	39.55	39.65	39.44	39.64
3334	NYSE	BKH	Mon, Aug 22, 2005	39.61	39.95	39.37	39.64
3333	NYSE	BKH	Fri, Aug 19, 2005	39.30	39.78	39.10	39.67
3332	NYSE	BKH	Thu, Aug 18, 2005	39.00	39.38	38.75	39.38
3331	NYSE	BKH	Wed, Aug 17, 2005	39.15	39.60	38.88	39.42
3330	NYSE	BKH	Tue, Aug 16, 2005	39.75	39.84	39.30	39.30
3329	NYSE	BKH	Mon, Aug 15, 2005	40.00	40.07	39.40	39.99
3328	NYSE	BKH	Fri, Aug 12, 2005	39.80	40.05	39.05	40.00
3327	NYSE	BKH	Thu, Aug 11, 2005	39.95	40.25	39.63	39.93
3326	NYSE	BKH	Wed, Aug 10, 2005	39.34	40.35	39.34	40.10
3325	NYSE	BKH	Tue, Aug 9, 2005	38.55	39.24	38.52	39.24
3324	NYSE	BKH	Mon, Aug 8, 2005	39.03	39.30	38.30	38.46
3323	NYSE	BKH	Fri, Aug 5, 2005	40.00	40.00	38.80	39.03
3322	NYSE	BKH	Thu, Aug 4, 2005	40.05	40.05	39.65	40.00
3321	NYSE	BKH	Wed, Aug 3, 2005	40.23	40.50	39.89	40.05
3320	NYSE	BKH	Tue, Aug 2, 2005	39.74	40.27	39.74	40.23
3319	NYSE	BKH	Mon, Aug 1, 2005	39.89	40.30	39.82	39.90
3318	NYSE	BKH	Fri, Jul 29, 2005	40.05	40.30	39.88	39.88
3317	NYSE	BKH	Thu, Jul 28, 2005	40.00	40.26	39.48	40.13
3316	NYSE	BKH	Wed, Jul 27, 2005	39.38	40.01	39.05	39.96
3315	NYSE	BKH	Tue, Jul 26, 2005	39.57	39.74	39.09	39.44
3314	NYSE	BKH	Mon, Jul 25, 2005	39.80	39.93	39.20	39.47
3313	NYSE	BKH	Fri, Jul 22, 2005	39.81	39.98	39.12	39.75
3312	NYSE	BKH	Thu, Jul 21, 2005	40.20	40.38	39.70	39.81
3311	NYSE	BKH	Wed, Jul 20, 2005	39.72	40.50	39.70	40.37
3310	NYSE	BKH	Tue, Jul 19, 2005	39.55	39.95	39.25	39.84
3309	NYSE	BKH	Mon, Jul 18, 2005	39.52	39.70	39.21	39.51
3308	NYSE	BKH	Fri, Jul 15, 2005	39.60	39.75	39.12	39.51
3307	NYSE	BKH	Thu, Jul 14, 2005	40.00	40.29	39.17	39.63
3306	NYSE	BKH	Wed, Jul 13, 2005	39.28	39.70	39.23	39.51
3305	NYSE	BKH	Tue, Jul 12, 2005	38.75	39.59	38.51	39.27
3304	NYSE	BKH	Mon, Jul 11, 2005	37.54	38.63	37.52	38.62
3303	NYSE	BKH	Fri, Jul 8, 2005	37.50	37.86	37.40	37.74
3302	NYSE	BKH	Thu, Jul 7, 2005	37.10	37.58	36.85	37.42
3301	NYSE	BKH	Wed, Jul 6, 2005	38.05	38.16	37.20	37.31
3300	NYSE	BKH	Tue, Jul 5, 2005	37.38	38.17	37.30	38.15
3299	NYSE	BKH	Fri, Jul 1, 2005	36.90	37.39	36.90	37.38
3298	NYSE	BKH	Thu, Jun 30, 2005	37.11	37.35	36.85	36.85
3297	NYSE	BKH	Wed, Jun 29, 2005	37.30	37.35	36.89	37.11
3296	NYSE	BKH	Tue, Jun 28, 2005	37.07	37.34	36.95	37.20
3295	NYSE	BKH	Mon, Jun 27, 2005	37.05	37.15	36.59	37.00
3294	NYSE	BKH	Fri, Jun 24, 2005	37.43	37.62	36.74	37.00
3293	NYSE	BKH	Thu, Jun 23, 2005	37.55	37.82	37.35	37.55
3292	NYSE	BKH	Wed, Jun 22, 2005	37.90	37.93	37.49	37.55
3291	NYSE	BKH	Tue, Jun 21, 2005	37.80	38.00	37.48	37.68
3290	NYSE	BKH	Mon, Jun 20, 2005	37.90	38.14	37.73	37.90
3289	NYSE	BKH	Fri, Jun 17, 2005	37.45	38.00	37.41	37.90
3288	NYSE	BKH	Thu, Jun 16, 2005	37.50	37.59	37.40	37.48
3287	NYSE	BKH	Wed, Jun 15, 2005	37.94	37.95	37.38	37.54
3286	NYSE	BKH	Tue, Jun 14, 2005	38.00	38.15	37.81	37.93
3285	NYSE	BKH	Mon, Jun 13, 2005	37.65	38.13	37.53	38.10
3284	NYSE	BKH	Fri, Jun 10, 2005	37.45	37.89	37.38	37.78
3283	NYSE	BKH	Thu, Jun 9, 2005	36.90	37.50	36.76	37.50
3282	NYSE	BKH	Wed, Jun 8, 2005	37.25	37.49	36.93	37.09
3281	NYSE	BKH	Tue, Jun 7, 2005	37.08	37.50	37.08	37.29
3280	NYSE	BKH	Mon, Jun 6, 2005	36.98	37.18	36.90	37.08
3279	NYSE	BKH	Fri, Jun 3, 2005	37.00	37.37	36.62	36.98
3278	NYSE	BKH	Thu, Jun 2, 2005	37.17	37.33	36.96	37.03
3277	NYSE	BKH	Wed, Jun 1, 2005	36.70	37.66	36.64	37.39
3276	NYSE	BKH	Tue, May 31, 2005	36.28	36.75	36.16	36.62
3275	NYSE	BKH	Fri, May 27, 2005	36.05	36.36	35.91	36.30
3274	NYSE	BKH	Thu, May 26, 2005	35.88	36.19	35.88	36.11
3273	NYSE	BKH	Wed, May 25, 2005	36.00	36.09	35.57	35.88
3272	NYSE	BKH	Tue, May 24, 2005	35.40	36.09	35.37	36.01
3271	NYSE	BKH	Mon, May 23, 2005	35.52	35.85	35.29	35.49
3270	NYSE	BKH	Fri, May 20, 2005	35.59	35.70	35.33	35.45
3269	NYSE	BKH	Thu, May 19, 2005	35.57	35.98	35.46	35.69
3268	NYSE	BKH	Wed, May 18, 2005	35.35	35.86	35.35	35.77
3267	NYSE	BKH	Tue, May 17, 2005	34.15	35.36	34.15	35.21
3266	NYSE	BKH	Mon, May 16, 2005	34.70	34.70	33.58	34.27
3265	NYSE	BKH	Fri, May 13, 2005	35.24	35.60	34.27	34.87
3264	NYSE	BKH	Thu, May 12, 2005	35.80	35.90	34.75	35.04
3263	NYSE	BKH	Wed, May 11, 2005	36.15	36.25	35.45	35.88
3262	NYSE	BKH	Tue, May 10, 2005	34.90	36.40	34.80	36.18
3261	NYSE	BKH	Mon, May 9, 2005	34.90	35.02	34.52	34.91
3260	NYSE	BKH	Fri, May 6, 2005	34.55	34.84	34.51	34.80
3259	NYSE	BKH	Thu, May 5, 2005	34.12	34.68	34.07	34.40
3258	NYSE	BKH	Wed, May 4, 2005	34.35	34.50	34.15	34.25
3257	NYSE	BKH	Tue, May 3, 2005	34.35	34.70	34.03	34.35
3256	NYSE	BKH	Mon, May 2, 2005	34.30	34.45	34.15	34.35
3255	NYSE	BKH	Fri, Apr 29, 2005	34.33	34.56	34.13	34.28
3254	NYSE	BKH	Thu, Apr 28, 2005	34.60	34.67	34.23	34.43
3253	NYSE	BKH	Wed, Apr 27, 2005	34.55	35.14	34.16	34.63
3252	NYSE	BKH	Tue, Apr 26, 2005	34.95	35.17	34.50	34.65
3251	NYSE	BKH	Mon, Apr 25, 2005	34.95	35.15	34.86	35.12
3250	NYSE	BKH	Fri, Apr 22, 2005	35.50	35.51	34.80	35.10
3249	NYSE	BKH	Thu, Apr 21, 2005	34.50	35.54	34.50	35.54
3248	NYSE	BKH	Wed, Apr 20, 2005	34.25	34.53	33.90	34.15
3247	NYSE	BKH	Tue, Apr 19, 2005	33.75	34.52	33.72	34.35
3246	NYSE	BKH	Mon, Apr 18, 2005	33.23	34.05	33.01	33.77
3245	NYSE	BKH	Fri, Apr 15, 2005	33.74	33.83	33.28	33.48
3244	NYSE	BKH	Thu, Apr 14, 2005	34.00	34.33	33.66	33.74
3243	NYSE	BKH	Wed, Apr 13, 2005	34.59	35.00	33.93	34.04
3242	NYSE	BKH	Tue, Apr 12, 2005	33.85	34.72	33.44	34.58
3241	NYSE	BKH	Mon, Apr 11, 2005	34.00	34.12	33.64	33.95
3240	NYSE	BKH	Fri, Apr 8, 2005	34.46	34.48	34.01	34.03
3239	NYSE	BKH	Thu, Apr 7, 2005	33.29	34.57	32.95	34.56
3238	NYSE	BKH	Wed, Apr 6, 2005	33.57	33.74	33.33	33.39
3237	NYSE	BKH	Tue, Apr 5, 2005	33.49	33.89	33.36	33.52
3236	NYSE	BKH	Mon, Apr 4, 2005	33.06	33.50	32.72	33.50
3235	NYSE	BKH	Fri, Apr 1, 2005	33.20	33.28	32.63	33.25
3234	NYSE	BKH	Thu, Mar 31, 2005	33.04	33.14	32.90	33.07
3233	NYSE	BKH	Wed, Mar 30, 2005	32.58	33.12	32.58	33.04
3232	NYSE	BKH	Tue, Mar 29, 2005	33.17	33.19	32.51	32.61
3231	NYSE	BKH	Mon, Mar 28, 2005	32.82	33.14	32.82	33.00
3230	NYSE	BKH	Thu, Mar 24, 2005	32.45	32.99	32.40	32.81
3229	NYSE	BKH	Wed, Mar 23, 2005	32.55	32.55	32.06	32.31
3228	NYSE	BKH	Tue, Mar 22, 2005	32.94	33.32	32.58	32.63
3227	NYSE	BKH	Mon, Mar 21, 2005	32.65	32.97	32.50	32.94
3226	NYSE	BKH	Fri, Mar 18, 2005	32.62	32.97	32.33	32.82
3225	NYSE	BKH	Thu, Mar 17, 2005	32.40	32.64	32.24	32.40
3224	NYSE	BKH	Wed, Mar 16, 2005	32.43	32.67	32.28	32.34
3223	NYSE	BKH	Tue, Mar 15, 2005	32.28	32.74	32.27	32.37
3222	NYSE	BKH	Mon, Mar 14, 2005	32.20	32.43	32.08	32.38
3221	NYSE	BKH	Fri, Mar 11, 2005	32.25	32.35	31.88	32.10
3220	NYSE	BKH	Thu, Mar 10, 2005	32.25	32.43	32.09	32.24
3219	NYSE	BKH	Wed, Mar 9, 2005	32.82	32.88	32.23	32.23
3218	NYSE	BKH	Tue, Mar 8, 2005	33.17	33.22	32.80	32.92
3217	NYSE	BKH	Mon, Mar 7, 2005	32.95	33.29	32.92	33.22
3216	NYSE	BKH	Fri, Mar 4, 2005	32.51	33.08	32.44	32.88
3215	NYSE	BKH	Thu, Mar 3, 2005	31.98	32.50	31.98	32.35
3214	NYSE	BKH	Wed, Mar 2, 2005	31.89	32.11	31.67	31.82
3213	NYSE	BKH	Tue, Mar 1, 2005	31.95	32.20	31.72	31.88
3212	NYSE	BKH	Mon, Feb 28, 2005	31.70	31.98	31.45	31.70
3211	NYSE	BKH	Fri, Feb 25, 2005	31.23	31.60	31.16	31.59
3210	NYSE	BKH	Thu, Feb 24, 2005	30.84	31.32	30.82	31.25
3209	NYSE	BKH	Wed, Feb 23, 2005	30.55	30.92	30.51	30.65
3208	NYSE	BKH	Tue, Feb 22, 2005	31.05	31.20	30.44	30.44
3207	NYSE	BKH	Fri, Feb 18, 2005	31.72	31.72	31.07	31.17
3206	NYSE	BKH	Thu, Feb 17, 2005	31.90	31.98	31.51	31.57
3205	NYSE	BKH	Wed, Feb 16, 2005	31.70	32.11	31.68	31.96
3204	NYSE	BKH	Tue, Feb 15, 2005	31.60	31.99	31.53	31.61
3203	NYSE	BKH	Mon, Feb 14, 2005	31.27	32.04	31.27	31.74
3202	NYSE	BKH	Fri, Feb 11, 2005	31.20	31.40	31.00	31.22
3201	NYSE	BKH	Thu, Feb 10, 2005	31.19	31.54	31.07	31.27
3200	NYSE	BKH	Wed, Feb 9, 2005	31.10	32.00	31.10	31.13
3199	NYSE	BKH	Tue, Feb 8, 2005	30.25	30.96	30.20	30.91
3198	NYSE	BKH	Mon, Feb 7, 2005	30.24	30.29	30.06	30.19
3197	NYSE	BKH	Fri, Feb 4, 2005	30.05	30.37	29.99	30.25
3196	NYSE	BKH	Thu, Feb 3, 2005	29.86	30.05	29.76	29.98
3195	NYSE	BKH	Wed, Feb 2, 2005	29.75	30.01	29.65	29.96
3194	NYSE	BKH	Tue, Feb 1, 2005	29.84	30.07	29.76	29.77
3193	NYSE	BKH	Mon, Jan 31, 2005	29.50	30.00	29.46	29.79
3192	NYSE	BKH	Fri, Jan 28, 2005	29.50	29.60	29.35	29.50
3191	NYSE	BKH	Thu, Jan 27, 2005	29.50	29.72	29.31	29.53
3190	NYSE	BKH	Wed, Jan 26, 2005	29.40	29.66	29.36	29.60
3189	NYSE	BKH	Tue, Jan 25, 2005	29.75	29.92	29.19	29.42
3188	NYSE	BKH	Mon, Jan 24, 2005	29.80	29.85	29.53	29.84
3187	NYSE	BKH	Fri, Jan 21, 2005	29.88	29.88	29.48	29.62
3186	NYSE	BKH	Thu, Jan 20, 2005	29.80	29.99	29.68	29.82
3185	NYSE	BKH	Wed, Jan 19, 2005	29.70	29.92	29.62	29.92
3184	NYSE	BKH	Tue, Jan 18, 2005	29.74	29.91	29.52	29.86
3183	NYSE	BKH	Fri, Jan 14, 2005	29.70	30.04	29.61	29.64
3182	NYSE	BKH	Thu, Jan 13, 2005	29.94	30.03	29.66	29.86
3181	NYSE	BKH	Wed, Jan 12, 2005	29.81	30.06	29.60	29.94
3180	NYSE	BKH	Tue, Jan 11, 2005	30.10	30.10	29.51	29.61
3179	NYSE	BKH	Mon, Jan 10, 2005	29.85	30.43	29.85	29.95
3178	NYSE	BKH	Fri, Jan 7, 2005	29.97	30.56	29.86	29.94
3177	NYSE	BKH	Thu, Jan 6, 2005	29.85	30.23	29.75	29.97
3176	NYSE	BKH	Wed, Jan 5, 2005	29.92	30.29	29.87	29.99
3175	NYSE	BKH	Tue, Jan 4, 2005	30.15	30.33	30.00	30.11
3174	NYSE	BKH	Mon, Jan 3, 2005	30.74	30.75	30.06	30.11
3173	NYSE	BKH	Fri, Dec 31, 2004	30.85	30.99	30.59	30.68
3172	NYSE	BKH	Thu, Dec 30, 2004	30.74	30.89	30.60	30.70
3171	NYSE	BKH	Wed, Dec 29, 2004	30.68	30.71	30.36	30.64
3170	NYSE	BKH	Tue, Dec 28, 2004	30.40	30.56	30.26	30.50
3169	NYSE	BKH	Mon, Dec 27, 2004	30.64	30.75	30.02	30.24
3168	NYSE	BKH	Thu, Dec 23, 2004	30.50	30.65	30.29	30.39
3167	NYSE	BKH	Wed, Dec 22, 2004	30.60	30.60	30.20	30.30
3166	NYSE	BKH	Tue, Dec 21, 2004	30.45	30.59	30.32	30.49
3165	NYSE	BKH	Mon, Dec 20, 2004	30.45	30.79	30.17	30.23
3164	NYSE	BKH	Fri, Dec 17, 2004	29.77	30.45	29.68	30.31
3163	NYSE	BKH	Thu, Dec 16, 2004	30.10	30.10	29.60	29.75
3162	NYSE	BKH	Wed, Dec 15, 2004	29.65	30.02	29.57	29.95
3161	NYSE	BKH	Tue, Dec 14, 2004	29.33	29.79	29.20	29.60
3160	NYSE	BKH	Mon, Dec 13, 2004	29.30	29.30	28.77	29.08
3159	NYSE	BKH	Fri, Dec 10, 2004	28.99	29.10	28.76	29.06
3158	NYSE	BKH	Thu, Dec 9, 2004	29.53	29.53	28.60	28.83
3157	NYSE	BKH	Wed, Dec 8, 2004	29.81	29.95	29.28	29.41
3156	NYSE	BKH	Tue, Dec 7, 2004	30.05	30.30	29.44	29.60
3155	NYSE	BKH	Mon, Dec 6, 2004	30.00	30.00	29.30	29.84
3154	NYSE	BKH	Fri, Dec 3, 2004	30.14	30.14	29.53	29.85
3153	NYSE	BKH	Thu, Dec 2, 2004	30.45	30.65	30.14	30.14
3152	NYSE	BKH	Wed, Dec 1, 2004	30.91	30.95	30.21	30.41
3151	NYSE	BKH	Tue, Nov 30, 2004	31.30	31.30	30.44	30.71
3150	NYSE	BKH	Mon, Nov 29, 2004	31.35	31.35	30.65	31.15
3149	NYSE	BKH	Fri, Nov 26, 2004	31.38	31.54	31.25	31.33
3148	NYSE	BKH	Wed, Nov 24, 2004	31.35	31.56	31.30	31.34
3147	NYSE	BKH	Tue, Nov 23, 2004	31.65	31.68	31.11	31.35
3146	NYSE	BKH	Mon, Nov 22, 2004	31.17	31.64	31.10	31.46
3145	NYSE	BKH	Fri, Nov 19, 2004	31.30	31.30	30.83	30.99
3144	NYSE	BKH	Thu, Nov 18, 2004	31.29	31.34	30.99	31.11
3143	NYSE	BKH	Wed, Nov 17, 2004	31.27	31.65	31.00	31.19
3142	NYSE	BKH	Tue, Nov 16, 2004	31.27	31.27	30.85	31.02
3141	NYSE	BKH	Mon, Nov 15, 2004	31.39	31.39	30.89	31.17
3140	NYSE	BKH	Fri, Nov 12, 2004	30.70	31.46	30.32	31.40
3139	NYSE	BKH	Thu, Nov 11, 2004	30.21	30.61	30.02	30.54
3138	NYSE	BKH	Wed, Nov 10, 2004	30.60	30.62	29.89	30.11
3137	NYSE	BKH	Tue, Nov 9, 2004	30.72	30.75	29.92	30.50
3136	NYSE	BKH	Mon, Nov 8, 2004	30.49	30.73	30.05	30.71
3135	NYSE	BKH	Fri, Nov 5, 2004	30.24	30.45	30.00	30.24
3134	NYSE	BKH	Thu, Nov 4, 2004	29.98	29.99	29.58	29.99
3133	NYSE	BKH	Wed, Nov 3, 2004	29.65	29.94	29.22	29.38
3132	NYSE	BKH	Tue, Nov 2, 2004	29.71	29.71	28.71	28.80
3131	NYSE	BKH	Mon, Nov 1, 2004	29.66	29.76	29.47	29.71
3130	NYSE	BKH	Fri, Oct 29, 2004	29.15	29.52	29.03	29.46
3129	NYSE	BKH	Thu, Oct 28, 2004	29.26	29.29	28.69	29.10
3128	NYSE	BKH	Wed, Oct 27, 2004	28.67	29.01	28.42	29.01
3127	NYSE	BKH	Tue, Oct 26, 2004	28.33	28.55	27.99	28.47
3126	NYSE	BKH	Mon, Oct 25, 2004	28.05	28.30	27.90	28.11
3125	NYSE	BKH	Fri, Oct 22, 2004	28.22	28.40	27.92	28.01
3124	NYSE	BKH	Thu, Oct 21, 2004	28.30	28.35	27.95	28.15
3123	NYSE	BKH	Wed, Oct 20, 2004	28.10	28.35	27.89	28.11
3122	NYSE	BKH	Tue, Oct 19, 2004	28.59	28.64	27.92	28.18
3121	NYSE	BKH	Mon, Oct 18, 2004	28.45	28.52	28.16	28.34
3120	NYSE	BKH	Fri, Oct 15, 2004	28.11	28.49	28.10	28.33
3119	NYSE	BKH	Thu, Oct 14, 2004	28.20	28.33	27.88	28.11
3118	NYSE	BKH	Wed, Oct 13, 2004	28.55	28.59	27.85	27.91
3117	NYSE	BKH	Tue, Oct 12, 2004	28.35	28.65	28.20	28.45
3116	NYSE	BKH	Mon, Oct 11, 2004	28.05	28.39	28.05	28.31
3115	NYSE	BKH	Fri, Oct 8, 2004	28.31	28.40	28.01	28.02
3114	NYSE	BKH	Thu, Oct 7, 2004	28.65	28.71	28.05	28.06
3113	NYSE	BKH	Wed, Oct 6, 2004	28.50	28.58	28.26	28.56
3112	NYSE	BKH	Tue, Oct 5, 2004	28.45	28.46	28.16	28.31
3111	NYSE	BKH	Mon, Oct 4, 2004	28.70	28.70	28.16	28.29
3110	NYSE	BKH	Fri, Oct 1, 2004	27.95	28.17	27.86	28.05
3109	NYSE	BKH	Thu, Sep 30, 2004	27.78	28.09	27.75	27.78
3108	NYSE	BKH	Wed, Sep 29, 2004	27.78	27.94	27.65	27.78
3107	NYSE	BKH	Tue, Sep 28, 2004	27.62	27.90	27.55	27.88
3106	NYSE	BKH	Mon, Sep 27, 2004	27.51	27.79	27.44	27.62
3105	NYSE	BKH	Fri, Sep 24, 2004	27.65	27.89	27.51	27.66
3104	NYSE	BKH	Thu, Sep 23, 2004	27.96	28.09	27.79	27.84
3103	NYSE	BKH	Wed, Sep 22, 2004	28.40	28.41	27.85	27.86
3102	NYSE	BKH	Tue, Sep 21, 2004	28.28	28.69	28.28	28.45
3101	NYSE	BKH	Mon, Sep 20, 2004	28.41	28.60	28.30	28.36
3100	NYSE	BKH	Fri, Sep 17, 2004	28.38	28.63	28.10	28.42
3099	NYSE	BKH	Thu, Sep 16, 2004	28.05	28.45	28.05	28.36
3098	NYSE	BKH	Wed, Sep 15, 2004	28.09	28.09	27.87	27.92
3097	NYSE	BKH	Tue, Sep 14, 2004	28.50	28.68	28.07	28.09
3096	NYSE	BKH	Mon, Sep 13, 2004	28.15	28.58	28.15	28.45
3095	NYSE	BKH	Fri, Sep 10, 2004	28.30	28.30	27.92	28.18
3094	NYSE	BKH	Thu, Sep 9, 2004	28.20	28.45	28.10	28.18
3093	NYSE	BKH	Wed, Sep 8, 2004	28.70	28.99	28.12	28.13
3092	NYSE	BKH	Tue, Sep 7, 2004	28.60	28.94	28.60	28.79
3091	NYSE	BKH	Fri, Sep 3, 2004	28.83	29.05	28.46	28.57
3090	NYSE	BKH	Thu, Sep 2, 2004	28.70	28.94	28.53	28.82
3089	NYSE	BKH	Wed, Sep 1, 2004	28.00	28.57	27.90	28.57
3088	NYSE	BKH	Tue, Aug 31, 2004	27.76	28.00	27.62	27.85
3087	NYSE	BKH	Mon, Aug 30, 2004	27.82	27.89	27.60	27.75
3086	NYSE	BKH	Fri, Aug 27, 2004	27.50	27.84	27.40	27.77
3085	NYSE	BKH	Thu, Aug 26, 2004	27.88	27.89	27.43	27.45
3084	NYSE	BKH	Wed, Aug 25, 2004	27.80	27.95	27.60	27.72
3083	NYSE	BKH	Tue, Aug 24, 2004	27.87	28.14	27.63	27.74
3082	NYSE	BKH	Mon, Aug 23, 2004	27.90	28.04	27.65	27.91
3081	NYSE	BKH	Fri, Aug 20, 2004	27.49	28.00	27.42	27.96
3080	NYSE	BKH	Thu, Aug 19, 2004	27.50	27.57	27.26	27.38
3079	NYSE	BKH	Wed, Aug 18, 2004	27.10	27.66	27.02	27.58
3078	NYSE	BKH	Tue, Aug 17, 2004	27.12	27.27	26.94	27.12
3077	NYSE	BKH	Mon, Aug 16, 2004	26.72	27.13	26.72	26.99
3076	NYSE	BKH	Fri, Aug 13, 2004	26.75	27.00	26.60	26.72
3075	NYSE	BKH	Thu, Aug 12, 2004	26.70	26.98	26.52	26.93
3074	NYSE	BKH	Wed, Aug 11, 2004	27.10	27.23	26.90	26.91
3073	NYSE	BKH	Tue, Aug 10, 2004	27.15	27.25	27.02	27.05
3072	NYSE	BKH	Mon, Aug 9, 2004	27.40	27.65	27.05	27.08
3071	NYSE	BKH	Fri, Aug 6, 2004	27.31	27.87	27.22	27.40
3070	NYSE	BKH	Thu, Aug 5, 2004	27.90	28.01	27.51	27.51
3069	NYSE	BKH	Wed, Aug 4, 2004	27.15	28.02	27.05	27.96
3068	NYSE	BKH	Tue, Aug 3, 2004	27.35	27.50	27.07	27.22
3067	NYSE	BKH	Mon, Aug 2, 2004	27.52	27.58	27.01	27.50
3066	NYSE	BKH	Fri, Jul 30, 2004	27.51	27.84	27.36	27.62
3065	NYSE	BKH	Thu, Jul 29, 2004	27.60	27.77	27.26	27.51
3064	NYSE	BKH	Wed, Jul 28, 2004	27.77	27.77	27.10	27.45
3063	NYSE	BKH	Tue, Jul 27, 2004	27.05	27.87	27.05	27.76
3062	NYSE	BKH	Mon, Jul 26, 2004	27.70	27.95	26.96	27.05
3061	NYSE	BKH	Fri, Jul 23, 2004	28.50	28.51	27.50	27.63
3060	NYSE	BKH	Thu, Jul 22, 2004	31.22	31.39	30.75	31.07
3059	NYSE	BKH	Wed, Jul 21, 2004	31.54	31.60	31.19	31.32
3058	NYSE	BKH	Tue, Jul 20, 2004	31.08	31.54	30.86	31.54
3057	NYSE	BKH	Mon, Jul 19, 2004	30.75	31.16	30.63	31.08
3056	NYSE	BKH	Fri, Jul 16, 2004	31.09	31.15	30.74	30.90
3055	NYSE	BKH	Thu, Jul 15, 2004	30.90	31.21	30.80	31.09
3054	NYSE	BKH	Wed, Jul 14, 2004	30.75	31.05	30.63	30.90
3053	NYSE	BKH	Tue, Jul 13, 2004	30.70	30.95	30.63	30.85
3052	NYSE	BKH	Mon, Jul 12, 2004	30.34	30.72	30.20	30.70
3051	NYSE	BKH	Fri, Jul 9, 2004	30.60	30.68	30.28	30.33
3050	NYSE	BKH	Thu, Jul 8, 2004	31.10	31.20	30.43	30.51
3049	NYSE	BKH	Wed, Jul 7, 2004	30.80	31.20	30.80	31.20
3048	NYSE	BKH	Tue, Jul 6, 2004	31.01	31.17	30.72	30.86
3047	NYSE	BKH	Fri, Jul 2, 2004	31.03	31.22	30.99	31.00
3046	NYSE	BKH	Thu, Jul 1, 2004	31.50	31.50	30.98	31.13
3045	NYSE	BKH	Wed, Jun 30, 2004	31.50	31.60	31.31	31.50
3044	NYSE	BKH	Tue, Jun 29, 2004	31.75	31.83	31.17	31.38
3043	NYSE	BKH	Mon, Jun 28, 2004	31.85	32.00	31.67	31.75
3042	NYSE	BKH	Fri, Jun 25, 2004	31.59	31.65	31.36	31.65
3041	NYSE	BKH	Thu, Jun 24, 2004	31.62	31.74	31.35	31.40
3040	NYSE	BKH	Wed, Jun 23, 2004	31.64	31.65	31.20	31.49
3039	NYSE	BKH	Tue, Jun 22, 2004	31.69	31.69	31.18	31.50
3038	NYSE	BKH	Mon, Jun 21, 2004	31.65	31.99	31.45	31.69
3037	NYSE	BKH	Fri, Jun 18, 2004	31.11	31.59	31.06	31.46
3036	NYSE	BKH	Thu, Jun 17, 2004	30.90	31.16	30.57	31.11
3035	NYSE	BKH	Wed, Jun 16, 2004	31.00	31.00	30.55	30.75
3034	NYSE	BKH	Tue, Jun 15, 2004	30.40	30.89	30.40	30.79
3033	NYSE	BKH	Mon, Jun 14, 2004	30.44	30.57	30.06	30.06
3032	NYSE	BKH	Thu, Jun 10, 2004	30.23	30.45	30.21	30.30
3031	NYSE	BKH	Wed, Jun 9, 2004	30.40	30.49	29.80	29.98
3030	NYSE	BKH	Tue, Jun 8, 2004	30.50	30.55	30.22	30.26
3029	NYSE	BKH	Mon, Jun 7, 2004	30.02	30.55	29.82	30.39
3028	NYSE	BKH	Fri, Jun 4, 2004	29.74	30.18	29.36	29.77
3027	NYSE	BKH	Thu, Jun 3, 2004	30.16	30.20	29.47	29.47
3026	NYSE	BKH	Wed, Jun 2, 2004	30.04	30.19	29.68	30.00
3025	NYSE	BKH	Tue, Jun 1, 2004	29.46	30.11	29.35	30.04
3024	NYSE	BKH	Fri, May 28, 2004	29.65	29.75	29.30	29.30
3023	NYSE	BKH	Thu, May 27, 2004	29.50	29.87	29.21	29.56
3022	NYSE	BKH	Wed, May 26, 2004	29.37	29.46	29.03	29.28
3021	NYSE	BKH	Tue, May 25, 2004	28.59	29.25	28.40	29.20
3020	NYSE	BKH	Mon, May 24, 2004	28.28	28.54	28.01	28.50
3019	NYSE	BKH	Fri, May 21, 2004	28.20	28.20	27.83	28.05
3018	NYSE	BKH	Thu, May 20, 2004	28.20	28.50	27.92	27.97
3017	NYSE	BKH	Wed, May 19, 2004	28.45	28.63	27.95	28.00
3016	NYSE	BKH	Tue, May 18, 2004	28.41	28.50	28.15	28.20
3015	NYSE	BKH	Mon, May 17, 2004	28.97	28.97	28.10	28.16
3014	NYSE	BKH	Fri, May 14, 2004	28.88	29.51	28.55	29.22
3013	NYSE	BKH	Thu, May 13, 2004	29.06	29.17	28.56	28.82
3012	NYSE	BKH	Wed, May 12, 2004	28.85	29.38	28.50	29.27
3011	NYSE	BKH	Tue, May 11, 2004	29.23	29.39	28.68	28.84
3010	NYSE	BKH	Mon, May 10, 2004	29.75	29.75	28.64	29.01
3009	NYSE	BKH	Fri, May 7, 2004	30.84	30.96	29.08	29.74
3008	NYSE	BKH	Thu, May 6, 2004	31.21	31.21	30.06	30.83
3007	NYSE	BKH	Wed, May 5, 2004	31.30	31.35	31.03	31.07
3006	NYSE	BKH	Tue, May 4, 2004	31.22	31.50	30.92	31.13
3005	NYSE	BKH	Mon, May 3, 2004	30.80	31.13	30.40	31.02
3004	NYSE	BKH	Fri, Apr 30, 2004	31.27	31.50	30.36	30.59
3003	NYSE	BKH	Thu, Apr 29, 2004	31.40	31.79	30.75	31.04
3002	NYSE	BKH	Wed, Apr 28, 2004	31.40	31.40	30.88	31.40
3001	NYSE	BKH	Tue, Apr 27, 2004	31.07	31.38	30.80	31.34
3000	NYSE	BKH	Mon, Apr 26, 2004	30.68	31.15	30.51	30.85
2999	NYSE	BKH	Fri, Apr 23, 2004	30.94	30.94	30.50	30.78
2998	NYSE	BKH	Thu, Apr 22, 2004	30.47	30.91	30.32	30.77
2997	NYSE	BKH	Wed, Apr 21, 2004	30.00	30.50	29.56	30.47
2996	NYSE	BKH	Tue, Apr 20, 2004	30.50	30.50	29.86	29.86
2995	NYSE	BKH	Mon, Apr 19, 2004	30.45	30.54	29.96	30.44
2994	NYSE	BKH	Fri, Apr 16, 2004	30.49	30.60	30.34	30.37
2993	NYSE	BKH	Thu, Apr 15, 2004	30.20	30.66	30.20	30.49
2992	NYSE	BKH	Wed, Apr 14, 2004	30.30	30.50	29.72	29.99
2991	NYSE	BKH	Tue, Apr 13, 2004	31.35	31.35	29.87	30.20
2990	NYSE	BKH	Mon, Apr 12, 2004	31.83	31.84	30.76	30.94
2989	NYSE	BKH	Thu, Apr 8, 2004	32.18	32.30	31.78	31.83
2988	NYSE	BKH	Wed, Apr 7, 2004	32.00	32.13	31.53	31.93
2987	NYSE	BKH	Tue, Apr 6, 2004	32.24	32.24	31.75	31.87
2986	NYSE	BKH	Mon, Apr 5, 2004	32.25	32.30	31.77	32.15
2985	NYSE	BKH	Fri, Apr 2, 2004	32.49	32.49	32.09	32.25
2984	NYSE	BKH	Thu, Apr 1, 2004	32.00	32.30	32.00	32.15
2983	NYSE	BKH	Wed, Mar 31, 2004	31.90	32.02	31.30	31.87
2982	NYSE	BKH	Tue, Mar 30, 2004	30.90	31.90	30.88	31.90
2981	NYSE	BKH	Mon, Mar 29, 2004	30.86	31.11	30.43	30.85
2980	NYSE	BKH	Fri, Mar 26, 2004	30.67	31.03	30.60	30.62
2979	NYSE	BKH	Thu, Mar 25, 2004	31.13	31.28	30.56	30.66
2978	NYSE	BKH	Wed, Mar 24, 2004	30.88	31.22	30.42	30.95
2977	NYSE	BKH	Tue, Mar 23, 2004	30.72	31.10	30.60	30.88
2976	NYSE	BKH	Mon, Mar 22, 2004	31.00	31.00	30.30	30.50
2975	NYSE	BKH	Fri, Mar 19, 2004	31.03	31.45	30.91	31.00
2974	NYSE	BKH	Thu, Mar 18, 2004	31.14	31.35	30.76	31.03
2973	NYSE	BKH	Wed, Mar 17, 2004	31.29	31.50	31.29	31.36
2972	NYSE	BKH	Tue, Mar 16, 2004	31.15	31.35	30.86	31.06
2971	NYSE	BKH	Mon, Mar 15, 2004	31.58	31.85	30.81	30.90
2970	NYSE	BKH	Fri, Mar 12, 2004	31.35	31.75	31.35	31.60
2969	NYSE	BKH	Thu, Mar 11, 2004	31.50	31.90	31.35	31.35
2968	NYSE	BKH	Wed, Mar 10, 2004	32.00	32.10	31.50	31.51
2967	NYSE	BKH	Tue, Mar 9, 2004	31.75	32.08	31.70	31.90
2966	NYSE	BKH	Mon, Mar 8, 2004	32.00	32.17	31.47	31.70
2965	NYSE	BKH	Fri, Mar 5, 2004	31.78	32.12	31.72	31.81
2964	NYSE	BKH	Thu, Mar 4, 2004	31.67	32.01	31.62	32.00
2963	NYSE	BKH	Wed, Mar 3, 2004	31.45	31.75	31.30	31.47
2962	NYSE	BKH	Tue, Mar 2, 2004	31.25	31.83	31.15	31.44
2961	NYSE	BKH	Mon, Mar 1, 2004	30.65	31.16	30.54	31.10
2960	NYSE	BKH	Fri, Feb 27, 2004	30.45	30.62	30.25	30.60
2959	NYSE	BKH	Thu, Feb 26, 2004	30.10	30.50	30.10	30.40
2958	NYSE	BKH	Wed, Feb 25, 2004	29.90	30.18	29.85	30.08
2957	NYSE	BKH	Tue, Feb 24, 2004	29.26	29.93	29.25	29.93
2956	NYSE	BKH	Mon, Feb 23, 2004	29.66	29.69	29.30	29.36
2955	NYSE	BKH	Fri, Feb 20, 2004	29.60	29.80	29.19	29.66
2954	NYSE	BKH	Thu, Feb 19, 2004	30.05	30.34	29.52	29.60
2953	NYSE	BKH	Wed, Feb 18, 2004	30.00	30.13	29.94	30.05
2952	NYSE	BKH	Tue, Feb 17, 2004	30.06	30.16	29.86	29.96
2951	NYSE	BKH	Fri, Feb 13, 2004	29.85	29.93	29.76	29.86
2950	NYSE	BKH	Thu, Feb 12, 2004	30.05	30.14	29.66	29.70
2949	NYSE	BKH	Wed, Feb 11, 2004	30.20	30.37	29.90	30.19
2948	NYSE	BKH	Tue, Feb 10, 2004	29.25	30.16	29.25	30.07
2947	NYSE	BKH	Mon, Feb 9, 2004	30.06	30.39	30.05	30.20
2946	NYSE	BKH	Fri, Feb 6, 2004	29.71	30.06	29.50	30.06
2945	NYSE	BKH	Thu, Feb 5, 2004	29.60	29.93	29.47	29.51
2944	NYSE	BKH	Wed, Feb 4, 2004	29.69	29.89	29.41	29.50
2943	NYSE	BKH	Tue, Feb 3, 2004	29.95	30.01	29.74	29.89
2942	NYSE	BKH	Mon, Feb 2, 2004	29.65	29.95	29.65	29.95
2941	NYSE	BKH	Fri, Jan 30, 2004	29.60	29.87	29.51	29.80
2940	NYSE	BKH	Thu, Jan 29, 2004	29.66	29.99	29.50	29.80
2939	NYSE	BKH	Wed, Jan 28, 2004	29.83	30.00	29.37	29.52
2938	NYSE	BKH	Tue, Jan 27, 2004	29.98	30.00	29.58	29.77
2937	NYSE	BKH	Mon, Jan 26, 2004	29.95	30.17	29.65	29.94
2936	NYSE	BKH	Fri, Jan 23, 2004	30.25	30.35	30.02	30.24
2935	NYSE	BKH	Thu, Jan 22, 2004	30.40	30.75	30.12	30.19
2934	NYSE	BKH	Wed, Jan 21, 2004	30.44	30.44	30.10	30.40
2933	NYSE	BKH	Tue, Jan 20, 2004	30.10	30.44	30.09	30.44
2932	NYSE	BKH	Fri, Jan 16, 2004	30.15	30.41	29.95	30.00
2931	NYSE	BKH	Thu, Jan 15, 2004	30.04	30.28	29.90	30.22
2930	NYSE	BKH	Wed, Jan 14, 2004	29.95	30.23	29.88	30.00
2929	NYSE	BKH	Tue, Jan 13, 2004	30.05	30.10	29.78	29.80
2928	NYSE	BKH	Mon, Jan 12, 2004	30.10	30.11	29.84	29.95
2927	NYSE	BKH	Fri, Jan 9, 2004	30.05	30.23	29.93	30.00
2926	NYSE	BKH	Thu, Jan 8, 2004	30.20	30.24	29.80	30.15
2925	NYSE	BKH	Wed, Jan 7, 2004	29.99	30.45	29.90	30.20
2924	NYSE	BKH	Tue, Jan 6, 2004	29.85	30.06	29.76	29.91
2923	NYSE	BKH	Mon, Jan 5, 2004	29.87	30.08	29.63	30.01
2922	NYSE	BKH	Fri, Jan 2, 2004	29.90	30.03	29.58	29.87
2921	NYSE	BKH	Wed, Dec 31, 2003	29.96	30.03	29.76	29.83
2920	NYSE	BKH	Tue, Dec 30, 2003	29.69	30.43	29.67	29.90
2919	NYSE	BKH	Mon, Dec 29, 2003	28.89	29.59	28.75	29.50
2918	NYSE	BKH	Fri, Dec 26, 2003	28.90	28.99	28.84	28.86
2917	NYSE	BKH	Wed, Dec 24, 2003	28.45	29.11	28.45	28.90
2916	NYSE	BKH	Tue, Dec 23, 2003	28.21	28.50	28.21	28.42
2915	NYSE	BKH	Mon, Dec 22, 2003	28.15	28.50	28.15	28.29
2914	NYSE	BKH	Fri, Dec 19, 2003	28.10	28.38	28.00	28.38
2913	NYSE	BKH	Thu, Dec 18, 2003	27.79	28.69	27.76	28.24
2912	NYSE	BKH	Wed, Dec 17, 2003	30.00	30.01	28.07	28.21
2911	NYSE	BKH	Tue, Dec 16, 2003	32.45	32.58	32.40	32.54
2910	NYSE	BKH	Mon, Dec 15, 2003	32.80	32.92	32.21	32.25
2909	NYSE	BKH	Fri, Dec 12, 2003	32.77	33.15	32.48	32.62
2908	NYSE	BKH	Thu, Dec 11, 2003	32.40	32.92	32.40	32.92
2907	NYSE	BKH	Wed, Dec 10, 2003	32.40	32.64	32.31	32.52
2906	NYSE	BKH	Tue, Dec 9, 2003	32.50	32.70	32.14	32.41
2905	NYSE	BKH	Mon, Dec 8, 2003	32.30	32.75	32.13	32.61
2904	NYSE	BKH	Fri, Dec 5, 2003	32.45	32.52	32.11	32.20
2903	NYSE	BKH	Thu, Dec 4, 2003	32.55	32.59	32.03	32.39
2902	NYSE	BKH	Wed, Dec 3, 2003	32.60	32.75	32.42	32.47
2901	NYSE	BKH	Tue, Dec 2, 2003	32.67	32.70	32.40	32.46
2900	NYSE	BKH	Mon, Dec 1, 2003	32.30	32.72	32.20	32.47
2899	NYSE	BKH	Fri, Nov 28, 2003	32.40	32.50	32.14	32.26
2898	NYSE	BKH	Wed, Nov 26, 2003	32.10	32.45	31.92	32.33
2897	NYSE	BKH	Tue, Nov 25, 2003	31.80	32.25	31.78	32.20
2896	NYSE	BKH	Mon, Nov 24, 2003	31.20	32.04	31.20	31.95
2895	NYSE	BKH	Fri, Nov 21, 2003	31.23	31.37	31.16	31.19
2894	NYSE	BKH	Thu, Nov 20, 2003	31.00	31.67	31.00	31.25
2893	NYSE	BKH	Wed, Nov 19, 2003	30.98	31.73	30.98	31.49
2892	NYSE	BKH	Tue, Nov 18, 2003	31.45	31.76	31.04	31.10
2891	NYSE	BKH	Mon, Nov 17, 2003	31.60	31.63	31.00	31.53
2890	NYSE	BKH	Fri, Nov 14, 2003	32.00	32.21	31.77	31.77
2889	NYSE	BKH	Thu, Nov 13, 2003	31.90	32.21	31.78	32.00
2888	NYSE	BKH	Wed, Nov 12, 2003	31.83	32.15	31.83	32.00
2887	NYSE	BKH	Tue, Nov 11, 2003	31.90	32.10	31.62	32.03
2886	NYSE	BKH	Mon, Nov 10, 2003	32.10	32.19	31.74	32.08
2885	NYSE	BKH	Fri, Nov 7, 2003	32.30	32.45	32.11	32.20
2884	NYSE	BKH	Thu, Nov 6, 2003	32.00	32.26	31.95	32.21
2883	NYSE	BKH	Wed, Nov 5, 2003	32.00	32.25	31.62	32.15
2882	NYSE	BKH	Tue, Nov 4, 2003	32.38	32.40	32.12	32.12
2881	NYSE	BKH	Mon, Nov 3, 2003	32.05	32.46	32.05	32.38
2880	NYSE	BKH	Fri, Oct 31, 2003	32.20	32.35	31.37	32.17
2879	NYSE	BKH	Thu, Oct 30, 2003	32.20	32.42	31.67	32.20
2878	NYSE	BKH	Wed, Oct 29, 2003	32.30	32.47	32.03	32.09
2877	NYSE	BKH	Tue, Oct 28, 2003	32.10	32.43	31.93	32.43
2876	NYSE	BKH	Mon, Oct 27, 2003	31.90	32.20	31.81	32.15
2875	NYSE	BKH	Fri, Oct 24, 2003	31.70	31.91	31.42	31.87
2874	NYSE	BKH	Thu, Oct 23, 2003	31.75	31.96	31.30	31.82
2873	NYSE	BKH	Wed, Oct 22, 2003	32.25	32.25	31.66	31.90
2872	NYSE	BKH	Tue, Oct 21, 2003	32.15	32.39	31.96	32.36
2871	NYSE	BKH	Mon, Oct 20, 2003	32.35	32.46	32.06	32.20
2870	NYSE	BKH	Fri, Oct 17, 2003	32.70	32.74	31.95	32.25
2869	NYSE	BKH	Thu, Oct 16, 2003	32.00	32.52	32.00	32.52
2868	NYSE	BKH	Wed, Oct 15, 2003	32.43	32.46	31.73	32.05
2867	NYSE	BKH	Tue, Oct 14, 2003	32.09	32.39	31.96	32.18
2866	NYSE	BKH	Mon, Oct 13, 2003	31.68	32.32	31.68	32.19
2865	NYSE	BKH	Fri, Oct 10, 2003	31.75	31.83	31.55	31.75
2864	NYSE	BKH	Thu, Oct 9, 2003	31.75	32.20	31.56	31.87
2863	NYSE	BKH	Wed, Oct 8, 2003	31.70	31.79	31.50	31.61
2862	NYSE	BKH	Tue, Oct 7, 2003	31.65	31.71	31.44	31.62
2861	NYSE	BKH	Mon, Oct 6, 2003	31.45	31.93	31.40	31.81
2860	NYSE	BKH	Fri, Oct 3, 2003	31.35	31.70	31.13	31.50
2859	NYSE	BKH	Thu, Oct 2, 2003	31.30	31.50	30.92	31.14
2858	NYSE	BKH	Wed, Oct 1, 2003	30.87	31.25	30.80	31.17
2857	NYSE	BKH	Tue, Sep 30, 2003	30.90	31.20	30.49	30.86
2856	NYSE	BKH	Mon, Sep 29, 2003	30.32	30.91	29.90	30.90
2855	NYSE	BKH	Fri, Sep 26, 2003	30.35	30.45	30.05	30.35
2854	NYSE	BKH	Thu, Sep 25, 2003	31.00	31.17	30.35	30.35
2853	NYSE	BKH	Wed, Sep 24, 2003	31.47	31.66	30.91	30.91
2852	NYSE	BKH	Tue, Sep 23, 2003	31.20	31.73	31.03	31.62
2851	NYSE	BKH	Mon, Sep 22, 2003	32.30	32.30	31.90	32.05
2850	NYSE	BKH	Fri, Sep 19, 2003	32.35	32.59	32.17	32.43
2849	NYSE	BKH	Thu, Sep 18, 2003	32.00	32.60	31.85	32.45
2848	NYSE	BKH	Wed, Sep 17, 2003	32.50	32.51	31.93	32.06
2847	NYSE	BKH	Tue, Sep 16, 2003	32.50	32.62	32.30	32.55
2846	NYSE	BKH	Mon, Sep 15, 2003	32.44	32.56	32.25	32.50
2845	NYSE	BKH	Fri, Sep 12, 2003	32.30	32.57	31.85	32.44
2844	NYSE	BKH	Thu, Sep 11, 2003	32.35	32.65	32.10	32.40
2843	NYSE	BKH	Wed, Sep 10, 2003	32.66	32.92	32.45	32.49
2842	NYSE	BKH	Tue, Sep 9, 2003	33.35	33.54	32.90	32.91
2841	NYSE	BKH	Mon, Sep 8, 2003	32.70	33.45	32.70	33.35
2840	NYSE	BKH	Fri, Sep 5, 2003	33.40	33.40	32.36	32.84
2839	NYSE	BKH	Thu, Sep 4, 2003	33.20	33.37	32.76	33.32
2838	NYSE	BKH	Wed, Sep 3, 2003	33.20	33.46	33.08	33.30
2837	NYSE	BKH	Tue, Sep 2, 2003	32.41	33.20	32.41	33.00
2836	NYSE	BKH	Fri, Aug 29, 2003	32.20	32.49	32.03	32.41
2835	NYSE	BKH	Thu, Aug 28, 2003	32.18	32.33	31.81	32.10
2834	NYSE	BKH	Wed, Aug 27, 2003	32.40	32.47	32.06	32.17
2833	NYSE	BKH	Tue, Aug 26, 2003	32.35	32.86	31.90	32.31
2832	NYSE	BKH	Mon, Aug 25, 2003	32.20	32.75	32.14	32.55
2831	NYSE	BKH	Fri, Aug 22, 2003	32.70	32.70	31.73	32.05
2830	NYSE	BKH	Thu, Aug 21, 2003	32.75	32.93	32.52	32.65
2829	NYSE	BKH	Wed, Aug 20, 2003	31.90	32.65	31.82	32.55
2828	NYSE	BKH	Tue, Aug 19, 2003	31.85	32.17	31.75	32.13
2827	NYSE	BKH	Mon, Aug 18, 2003	31.85	31.94	31.62	31.85
2826	NYSE	BKH	Fri, Aug 15, 2003	31.65	31.95	31.46	31.60
2825	NYSE	BKH	Thu, Aug 14, 2003	31.40	31.50	31.21	31.50
2824	NYSE	BKH	Wed, Aug 13, 2003	31.53	31.60	31.17	31.20
2823	NYSE	BKH	Tue, Aug 12, 2003	31.30	31.80	31.20	31.73
2822	NYSE	BKH	Mon, Aug 11, 2003	30.90	31.44	30.90	31.30
2821	NYSE	BKH	Fri, Aug 8, 2003	30.85	31.14	30.82	30.99
2820	NYSE	BKH	Thu, Aug 7, 2003	30.60	30.75	30.36	30.74
2819	NYSE	BKH	Wed, Aug 6, 2003	30.75	30.75	30.20	30.56
2818	NYSE	BKH	Tue, Aug 5, 2003	30.75	31.09	30.60	30.63
2817	NYSE	BKH	Mon, Aug 4, 2003	30.43	30.86	30.26	30.63
2816	NYSE	BKH	Fri, Aug 1, 2003	30.60	30.70	30.26	30.30
2815	NYSE	BKH	Thu, Jul 31, 2003	30.90	31.19	30.59	30.69
2814	NYSE	BKH	Wed, Jul 30, 2003	30.70	30.95	30.35	30.89
2813	NYSE	BKH	Tue, Jul 29, 2003	30.65	30.85	30.16	30.56
2812	NYSE	BKH	Mon, Jul 28, 2003	30.55	30.94	30.48	30.64
2811	NYSE	BKH	Fri, Jul 25, 2003	30.10	30.76	30.05	30.49
2810	NYSE	BKH	Thu, Jul 24, 2003	30.45	30.72	30.01	30.10
2809	NYSE	BKH	Wed, Jul 23, 2003	30.30	30.37	29.97	30.30
2808	NYSE	BKH	Tue, Jul 22, 2003	30.05	30.30	29.95	30.17
2807	NYSE	BKH	Mon, Jul 21, 2003	30.55	30.55	29.82	29.95
2806	NYSE	BKH	Fri, Jul 18, 2003	30.25	30.65	29.99	30.52
2805	NYSE	BKH	Thu, Jul 17, 2003	30.50	30.60	30.00	30.00
2804	NYSE	BKH	Wed, Jul 16, 2003	30.90	31.15	30.55	30.56
2803	NYSE	BKH	Tue, Jul 15, 2003	30.85	31.20	30.76	30.98
2802	NYSE	BKH	Mon, Jul 14, 2003	31.48	31.60	30.96	31.10
2801	NYSE	BKH	Fri, Jul 11, 2003	31.00	31.68	31.00	31.23
2800	NYSE	BKH	Thu, Jul 10, 2003	30.75	30.93	30.69	30.83
2799	NYSE	BKH	Wed, Jul 9, 2003	30.75	31.07	30.72	30.85
2798	NYSE	BKH	Tue, Jul 8, 2003	30.83	30.93	30.58	30.75
2797	NYSE	BKH	Mon, Jul 7, 2003	30.75	31.01	30.54	30.75
2796	NYSE	BKH	Thu, Jul 3, 2003	30.90	30.94	30.50	30.50
2795	NYSE	BKH	Wed, Jul 2, 2003	31.12	31.15	30.75	31.00
2794	NYSE	BKH	Tue, Jul 1, 2003	30.70	31.15	30.51	31.09
2793	NYSE	BKH	Mon, Jun 30, 2003	30.60	30.94	30.43	30.70
2792	NYSE	BKH	Fri, Jun 27, 2003	30.10	30.72	30.10	30.51
2791	NYSE	BKH	Thu, Jun 26, 2003	30.40	30.40	30.01	30.10
2790	NYSE	BKH	Wed, Jun 25, 2003	30.25	30.29	30.01	30.18
2789	NYSE	BKH	Tue, Jun 24, 2003	30.49	30.65	30.15	30.20
2788	NYSE	BKH	Mon, Jun 23, 2003	30.94	30.94	30.25	30.49
2787	NYSE	BKH	Fri, Jun 20, 2003	31.20	31.50	30.59	30.94
2786	NYSE	BKH	Thu, Jun 19, 2003	31.10	31.50	30.80	30.95
2785	NYSE	BKH	Wed, Jun 18, 2003	31.25	31.25	30.82	31.03
2784	NYSE	BKH	Tue, Jun 17, 2003	31.68	31.68	31.15	31.20
2783	NYSE	BKH	Mon, Jun 16, 2003	30.75	31.70	30.65	31.68
2782	NYSE	BKH	Fri, Jun 13, 2003	30.89	31.20	30.55	30.66
2781	NYSE	BKH	Thu, Jun 12, 2003	30.70	30.89	30.50	30.89
2780	NYSE	BKH	Wed, Jun 11, 2003	30.74	30.79	30.50	30.70
2779	NYSE	BKH	Tue, Jun 10, 2003	30.56	30.74	30.27	30.74
2778	NYSE	BKH	Mon, Jun 9, 2003	30.22	30.50	29.95	30.50
2777	NYSE	BKH	Fri, Jun 6, 2003	30.59	30.70	30.21	30.22
2776	NYSE	BKH	Thu, Jun 5, 2003	31.00	31.02	30.41	30.59
2775	NYSE	BKH	Wed, Jun 4, 2003	30.50	31.08	30.50	30.98
2774	NYSE	BKH	Tue, Jun 3, 2003	30.49	30.50	29.99	30.44
2773	NYSE	BKH	Mon, Jun 2, 2003	30.06	30.64	29.97	30.49
2772	NYSE	BKH	Fri, May 30, 2003	29.80	30.16	29.65	30.05
2771	NYSE	BKH	Thu, May 29, 2003	30.15	30.35	29.44	29.64
2770	NYSE	BKH	Wed, May 28, 2003	30.19	30.19	29.90	30.09
2769	NYSE	BKH	Tue, May 27, 2003	30.12	30.75	29.90	30.18
2768	NYSE	BKH	Fri, May 23, 2003	28.50	30.12	28.37	30.12
2767	NYSE	BKH	Thu, May 22, 2003	28.00	28.78	27.95	28.50
2766	NYSE	BKH	Wed, May 21, 2003	27.89	27.94	27.70	27.93
2765	NYSE	BKH	Tue, May 20, 2003	27.75	27.92	27.64	27.85
2764	NYSE	BKH	Mon, May 19, 2003	27.74	27.99	27.00	27.67
2763	NYSE	BKH	Fri, May 16, 2003	27.85	27.99	27.73	27.73
2762	NYSE	BKH	Thu, May 15, 2003	28.00	28.21	27.85	28.09
2761	NYSE	BKH	Wed, May 14, 2003	27.90	28.06	27.61	27.93
2760	NYSE	BKH	Tue, May 13, 2003	28.25	28.30	27.95	28.06
2759	NYSE	BKH	Mon, May 12, 2003	28.26	28.40	28.07	28.30
2758	NYSE	BKH	Fri, May 9, 2003	28.35	28.45	28.01	28.26
2757	NYSE	BKH	Thu, May 8, 2003	28.50	28.50	28.13	28.22
2756	NYSE	BKH	Wed, May 7, 2003	28.65	28.65	28.15	28.44
2755	NYSE	BKH	Tue, May 6, 2003	28.55	28.98	28.30	28.71
2754	NYSE	BKH	Mon, May 5, 2003	28.60	28.63	28.22	28.55
2753	NYSE	BKH	Fri, May 2, 2003	28.05	28.60	27.99	28.54
2752	NYSE	BKH	Thu, May 1, 2003	28.46	28.51	27.88	28.19
2751	NYSE	BKH	Wed, Apr 30, 2003	28.30	28.48	28.12	28.48
2750	NYSE	BKH	Tue, Apr 29, 2003	28.25	28.68	28.25	28.40
2749	NYSE	BKH	Mon, Apr 28, 2003	27.58	28.42	27.58	28.25
2748	NYSE	BKH	Fri, Apr 25, 2003	27.75	27.95	27.30	27.58
2747	NYSE	BKH	Thu, Apr 24, 2003	27.90	27.92	27.06	27.26
2746	NYSE	BKH	Wed, Apr 23, 2003	27.99	28.00	27.54	27.99
2745	NYSE	BKH	Tue, Apr 22, 2003	27.75	28.00	27.35	27.98
2744	NYSE	BKH	Mon, Apr 21, 2003	28.74	28.74	27.20	28.00
2743	NYSE	BKH	Thu, Apr 17, 2003	28.99	29.00	28.60	28.73
2742	NYSE	BKH	Wed, Apr 16, 2003	28.75	28.99	28.45	28.90
2741	NYSE	BKH	Tue, Apr 15, 2003	28.96	28.97	28.40	28.89
2740	NYSE	BKH	Mon, Apr 14, 2003	28.50	29.01	28.45	28.96
2739	NYSE	BKH	Fri, Apr 11, 2003	28.60	28.78	28.05	28.44
2738	NYSE	BKH	Thu, Apr 10, 2003	28.64	28.69	27.85	28.51
2737	NYSE	BKH	Wed, Apr 9, 2003	28.79	29.70	28.53	28.64
2736	NYSE	BKH	Tue, Apr 8, 2003	28.56	28.99	28.53	28.79
2735	NYSE	BKH	Mon, Apr 7, 2003	28.00	28.80	28.00	28.56
2734	NYSE	BKH	Fri, Apr 4, 2003	27.80	28.15	27.80	27.92
2733	NYSE	BKH	Thu, Apr 3, 2003	28.35	28.44	27.94	27.99
2732	NYSE	BKH	Wed, Apr 2, 2003	28.05	28.60	27.91	28.35
2731	NYSE	BKH	Tue, Apr 1, 2003	27.49	28.00	27.11	27.94
2730	NYSE	BKH	Mon, Mar 31, 2003	27.82	27.84	27.31	27.49
2729	NYSE	BKH	Fri, Mar 28, 2003	27.28	27.93	27.28	27.93
2728	NYSE	BKH	Thu, Mar 27, 2003	27.01	27.32	26.70	27.22
2727	NYSE	BKH	Wed, Mar 26, 2003	27.39	27.49	26.78	26.99
2726	NYSE	BKH	Tue, Mar 25, 2003	27.48	27.61	26.90	27.39
2725	NYSE	BKH	Mon, Mar 24, 2003	28.25	28.25	27.45	27.48
2724	NYSE	BKH	Fri, Mar 21, 2003	27.99	28.38	27.79	28.38
2723	NYSE	BKH	Thu, Mar 20, 2003	27.40	27.95	27.00	27.76
2722	NYSE	BKH	Wed, Mar 19, 2003	27.74	27.80	27.20	27.47
2721	NYSE	BKH	Tue, Mar 18, 2003	27.50	27.74	27.19	27.74
2720	NYSE	BKH	Mon, Mar 17, 2003	26.70	27.27	26.50	27.27
2719	NYSE	BKH	Fri, Mar 14, 2003	26.50	26.80	26.16	26.67
2718	NYSE	BKH	Thu, Mar 13, 2003	26.35	26.53	25.99	26.33
2717	NYSE	BKH	Wed, Mar 12, 2003	25.95	26.15	25.94	26.10
2716	NYSE	BKH	Tue, Mar 11, 2003	26.05	26.40	25.91	26.00
2715	NYSE	BKH	Mon, Mar 10, 2003	25.90	26.18	25.90	26.05
2714	NYSE	BKH	Fri, Mar 7, 2003	25.20	26.09	25.20	26.02
2713	NYSE	BKH	Thu, Mar 6, 2003	25.00	25.39	24.85	25.20
2712	NYSE	BKH	Wed, Mar 5, 2003	24.11	25.10	23.91	25.03
2711	NYSE	BKH	Tue, Mar 4, 2003	24.15	24.30	24.00	24.11
2710	NYSE	BKH	Mon, Mar 3, 2003	23.88	24.11	23.72	23.90
2709	NYSE	BKH	Fri, Feb 28, 2003	23.90	24.08	23.60	23.63
2708	NYSE	BKH	Thu, Feb 27, 2003	24.00	24.10	23.50	23.84
2707	NYSE	BKH	Wed, Feb 26, 2003	23.85	23.85	22.90	23.17
2706	NYSE	BKH	Tue, Feb 25, 2003	23.42	23.85	23.34	23.70
2705	NYSE	BKH	Mon, Feb 24, 2003	23.76	23.76	23.18	23.42
2704	NYSE	BKH	Fri, Feb 21, 2003	23.10	23.70	23.03	23.70
2703	NYSE	BKH	Thu, Feb 20, 2003	22.81	23.10	22.65	23.02
2702	NYSE	BKH	Wed, Feb 19, 2003	23.54	23.54	22.69	22.81
2701	NYSE	BKH	Tue, Feb 18, 2003	23.10	23.45	22.90	23.44
2700	NYSE	BKH	Fri, Feb 14, 2003	22.48	23.05	22.35	22.72
2699	NYSE	BKH	Thu, Feb 13, 2003	22.26	22.65	21.85	22.47
2698	NYSE	BKH	Wed, Feb 12, 2003	22.75	22.75	22.22	22.26
2697	NYSE	BKH	Tue, Feb 11, 2003	23.25	23.25	22.72	22.96
2696	NYSE	BKH	Mon, Feb 10, 2003	23.21	23.49	22.70	23.16
2695	NYSE	BKH	Fri, Feb 7, 2003	23.90	23.99	23.18	23.23
2694	NYSE	BKH	Thu, Feb 6, 2003	24.10	24.20	23.64	23.73
2693	NYSE	BKH	Wed, Feb 5, 2003	24.20	24.45	24.01	24.06
2692	NYSE	BKH	Tue, Feb 4, 2003	24.25	24.51	24.00	24.12
2691	NYSE	BKH	Mon, Feb 3, 2003	24.22	24.45	23.85	24.19
2690	NYSE	BKH	Fri, Jan 31, 2003	23.70	24.45	23.70	24.22
2689	NYSE	BKH	Thu, Jan 30, 2003	24.05	24.10	23.66	23.70
2688	NYSE	BKH	Wed, Jan 29, 2003	24.05	24.24	23.90	24.04
2687	NYSE	BKH	Tue, Jan 28, 2003	23.65	24.29	23.65	24.22
2686	NYSE	BKH	Mon, Jan 27, 2003	24.00	24.00	23.05	23.59
2685	NYSE	BKH	Fri, Jan 24, 2003	24.65	24.65	24.00	24.25
2684	NYSE	BKH	Thu, Jan 23, 2003	24.97	25.00	24.50	24.67
2683	NYSE	BKH	Wed, Jan 22, 2003	25.41	25.41	24.95	24.97
2682	NYSE	BKH	Tue, Jan 21, 2003	25.50	25.70	25.29	25.41
2681	NYSE	BKH	Fri, Jan 17, 2003	25.85	25.85	25.28	25.41
2680	NYSE	BKH	Thu, Jan 16, 2003	25.90	26.18	25.79	25.97
2679	NYSE	BKH	Wed, Jan 15, 2003	26.15	26.23	25.55	25.75
2678	NYSE	BKH	Tue, Jan 14, 2003	26.05	26.30	25.98	26.08
2677	NYSE	BKH	Mon, Jan 13, 2003	26.60	26.61	26.08	26.15
2676	NYSE	BKH	Fri, Jan 10, 2003	26.40	26.66	26.00	26.52
2675	NYSE	BKH	Thu, Jan 9, 2003	26.75	26.87	26.29	26.29
2674	NYSE	BKH	Wed, Jan 8, 2003	26.96	26.96	26.45	26.62
2673	NYSE	BKH	Tue, Jan 7, 2003	28.30	28.30	26.95	26.96
2672	NYSE	BKH	Mon, Jan 6, 2003	27.20	28.39	27.20	28.30
2671	NYSE	BKH	Fri, Jan 3, 2003	26.98	27.34	26.76	27.26
2670	NYSE	BKH	Thu, Jan 2, 2003	26.60	27.00	26.28	26.84
2669	NYSE	BKH	Tue, Dec 31, 2002	26.13	26.80	25.69	26.52
2668	NYSE	BKH	Mon, Dec 30, 2002	26.74	27.00	26.20	26.38
2667	NYSE	BKH	Fri, Dec 27, 2002	26.60	26.86	26.48	26.73
2666	NYSE	BKH	Thu, Dec 26, 2002	26.90	27.00	26.35	26.40
2665	NYSE	BKH	Tue, Dec 24, 2002	26.99	27.03	26.78	26.85
2664	NYSE	BKH	Mon, Dec 23, 2002	26.80	27.02	26.62	26.90
2663	NYSE	BKH	Fri, Dec 20, 2002	27.40	27.75	27.31	27.74
2662	NYSE	BKH	Thu, Dec 19, 2002	26.72	27.15	26.40	27.15
2661	NYSE	BKH	Wed, Dec 18, 2002	27.50	27.56	26.65	26.65
2660	NYSE	BKH	Tue, Dec 17, 2002	27.50	27.72	27.25	27.33
2659	NYSE	BKH	Mon, Dec 16, 2002	26.35	27.26	26.35	27.26
2658	NYSE	BKH	Fri, Dec 13, 2002	25.91	26.35	25.90	26.25
2657	NYSE	BKH	Thu, Dec 12, 2002	25.50	26.30	25.47	25.94
2656	NYSE	BKH	Wed, Dec 11, 2002	25.10	25.80	24.66	25.62
2655	NYSE	BKH	Tue, Dec 10, 2002	24.90	25.28	24.60	25.16
2654	NYSE	BKH	Mon, Dec 9, 2002	24.90	25.26	24.56	24.95
2653	NYSE	BKH	Fri, Dec 6, 2002	24.95	24.95	24.28	24.65
2652	NYSE	BKH	Thu, Dec 5, 2002	25.34	25.64	24.80	24.95
2651	NYSE	BKH	Wed, Dec 4, 2002	26.40	26.40	25.25	25.34
2650	NYSE	BKH	Tue, Dec 3, 2002	25.55	26.80	25.32	26.53
2649	NYSE	BKH	Mon, Dec 2, 2002	25.83	25.83	25.25	25.66
2648	NYSE	BKH	Fri, Nov 29, 2002	26.09	26.09	25.70	25.83
2647	NYSE	BKH	Wed, Nov 27, 2002	26.00	26.49	25.90	26.09
2646	NYSE	BKH	Tue, Nov 26, 2002	26.54	26.54	25.76	26.00
2645	NYSE	BKH	Mon, Nov 25, 2002	26.50	26.80	25.45	26.54
2644	NYSE	BKH	Fri, Nov 22, 2002	26.39	27.00	26.09	26.66
2643	NYSE	BKH	Thu, Nov 21, 2002	26.00	26.65	25.93	26.51
2642	NYSE	BKH	Wed, Nov 20, 2002	24.70	26.05	24.70	25.81
2641	NYSE	BKH	Tue, Nov 19, 2002	24.55	25.00	24.55	24.81
2640	NYSE	BKH	Mon, Nov 18, 2002	24.25	24.86	24.02	24.60
2639	NYSE	BKH	Fri, Nov 15, 2002	23.86	24.68	23.86	24.27
2638	NYSE	BKH	Thu, Nov 14, 2002	23.42	24.20	23.42	23.84
2637	NYSE	BKH	Wed, Nov 13, 2002	23.99	24.12	23.45	23.67
2636	NYSE	BKH	Tue, Nov 12, 2002	24.42	24.66	24.05	24.25
2635	NYSE	BKH	Mon, Nov 11, 2002	24.55	24.70	24.20	24.42
2634	NYSE	BKH	Fri, Nov 8, 2002	25.44	25.45	24.06	24.54
2633	NYSE	BKH	Thu, Nov 7, 2002	26.74	26.74	25.25	25.44
2632	NYSE	BKH	Wed, Nov 6, 2002	27.00	27.40	26.43	26.99
2631	NYSE	BKH	Tue, Nov 5, 2002	27.60	27.60	26.66	26.85
2630	NYSE	BKH	Mon, Nov 4, 2002	27.16	27.70	27.00	27.42
2629	NYSE	BKH	Fri, Nov 1, 2002	26.25	27.16	26.11	27.16
2628	NYSE	BKH	Thu, Oct 31, 2002	27.29	27.30	26.11	26.35
2627	NYSE	BKH	Wed, Oct 30, 2002	26.06	27.20	26.06	27.17
2626	NYSE	BKH	Tue, Oct 29, 2002	26.35	26.35	25.64	26.06
2625	NYSE	BKH	Mon, Oct 28, 2002	25.48	26.75	25.48	26.32
2624	NYSE	BKH	Fri, Oct 25, 2002	25.60	25.65	24.80	25.58
2623	NYSE	BKH	Thu, Oct 24, 2002	25.25	25.75	25.01	25.68
2622	NYSE	BKH	Wed, Oct 23, 2002	23.98	25.24	23.93	25.23
2621	NYSE	BKH	Tue, Oct 22, 2002	23.90	24.30	23.67	23.98
2620	NYSE	BKH	Mon, Oct 21, 2002	23.00	24.00	23.00	23.99
2619	NYSE	BKH	Fri, Oct 18, 2002	22.74	23.30	22.38	23.06
2618	NYSE	BKH	Thu, Oct 17, 2002	22.12	22.85	22.06	22.74
2617	NYSE	BKH	Wed, Oct 16, 2002	22.00	22.01	21.45	22.01
2616	NYSE	BKH	Tue, Oct 15, 2002	21.41	22.34	21.41	22.13
2615	NYSE	BKH	Mon, Oct 14, 2002	20.86	21.35	20.68	21.21
2614	NYSE	BKH	Fri, Oct 11, 2002	20.39	21.10	20.20	20.86
2613	NYSE	BKH	Thu, Oct 10, 2002	19.16	20.00	18.94	19.89
2612	NYSE	BKH	Wed, Oct 9, 2002	19.56	19.85	19.11	19.15
2611	NYSE	BKH	Tue, Oct 8, 2002	21.74	22.00	18.35	19.55
2610	NYSE	BKH	Mon, Oct 7, 2002	22.32	22.41	21.63	21.63
2609	NYSE	BKH	Fri, Oct 4, 2002	24.65	24.66	22.26	22.32
2608	NYSE	BKH	Thu, Oct 3, 2002	25.45	25.67	25.14	25.36
2607	NYSE	BKH	Wed, Oct 2, 2002	26.32	26.55	25.40	25.43
2606	NYSE	BKH	Tue, Oct 1, 2002	26.29	26.57	25.84	26.57
2605	NYSE	BKH	Mon, Sep 30, 2002	25.80	26.40	25.45	26.19
2604	NYSE	BKH	Fri, Sep 27, 2002	26.37	26.50	25.75	25.80
2603	NYSE	BKH	Thu, Sep 26, 2002	25.36	26.40	25.31	26.40
2602	NYSE	BKH	Wed, Sep 25, 2002	25.00	25.40	24.75	25.11
2601	NYSE	BKH	Tue, Sep 24, 2002	24.80	25.16	24.71	24.75
2600	NYSE	BKH	Mon, Sep 23, 2002	25.26	25.48	24.69	24.93
2599	NYSE	BKH	Fri, Sep 20, 2002	25.81	25.84	25.01	25.51
2598	NYSE	BKH	Thu, Sep 19, 2002	26.20	26.50	26.03	26.05
2597	NYSE	BKH	Wed, Sep 18, 2002	26.02	26.70	25.80	26.36
2596	NYSE	BKH	Tue, Sep 17, 2002	27.01	27.04	25.80	26.05
2595	NYSE	BKH	Mon, Sep 16, 2002	27.19	27.23	26.79	27.01
2594	NYSE	BKH	Fri, Sep 13, 2002	26.60	27.20	26.55	27.19
2593	NYSE	BKH	Thu, Sep 12, 2002	27.14	27.14	26.44	26.50
2592	NYSE	BKH	Wed, Sep 11, 2002	27.25	27.60	27.00	27.14
2591	NYSE	BKH	Tue, Sep 10, 2002	27.70	27.75	27.01	27.11
2590	NYSE	BKH	Mon, Sep 9, 2002	27.40	27.93	26.90	27.65
2589	NYSE	BKH	Fri, Sep 6, 2002	26.90	27.64	26.90	27.40
2588	NYSE	BKH	Thu, Sep 5, 2002	27.06	27.40	26.76	26.85
2587	NYSE	BKH	Wed, Sep 4, 2002	26.65	27.11	26.00	27.06
2586	NYSE	BKH	Tue, Sep 3, 2002	27.45	27.45	26.50	26.54
2585	NYSE	BKH	Fri, Aug 30, 2002	27.63	27.90	27.20	27.25
2584	NYSE	BKH	Thu, Aug 29, 2002	27.30	27.96	27.02	27.43
2583	NYSE	BKH	Wed, Aug 28, 2002	28.00	28.00	27.13	27.23
2582	NYSE	BKH	Tue, Aug 27, 2002	27.20	27.89	26.80	27.37
2581	NYSE	BKH	Mon, Aug 26, 2002	26.75	27.25	26.50	27.12
2580	NYSE	BKH	Fri, Aug 23, 2002	27.01	27.15	26.70	26.71
2579	NYSE	BKH	Thu, Aug 22, 2002	26.50	27.31	26.39	27.04
2578	NYSE	BKH	Wed, Aug 21, 2002	25.65	26.68	25.60	26.50
2577	NYSE	BKH	Tue, Aug 20, 2002	25.65	25.97	25.45	25.55
2576	NYSE	BKH	Mon, Aug 19, 2002	25.70	26.10	25.50	25.90
2575	NYSE	BKH	Fri, Aug 16, 2002	26.01	26.02	25.30	25.63
2574	NYSE	BKH	Thu, Aug 15, 2002	26.20	26.45	25.99	26.26
2573	NYSE	BKH	Wed, Aug 14, 2002	25.35	26.12	25.10	26.10
2572	NYSE	BKH	Tue, Aug 13, 2002	26.50	26.61	25.57	25.57
2571	NYSE	BKH	Mon, Aug 12, 2002	25.84	26.74	25.75	26.55
2570	NYSE	BKH	Fri, Aug 9, 2002	25.80	26.19	25.41	25.87
2569	NYSE	BKH	Thu, Aug 8, 2002	25.17	25.89	24.92	25.77
2568	NYSE	BKH	Wed, Aug 7, 2002	24.85	25.55	24.43	25.43
2567	NYSE	BKH	Tue, Aug 6, 2002	23.86	25.25	23.86	24.60
2566	NYSE	BKH	Mon, Aug 5, 2002	24.20	24.75	23.53	23.61
2565	NYSE	BKH	Fri, Aug 2, 2002	24.90	24.99	24.15	24.34
2564	NYSE	BKH	Thu, Aug 1, 2002	25.22	25.60	24.70	24.95
2563	NYSE	BKH	Wed, Jul 31, 2002	25.40	25.75	24.93	25.47
2562	NYSE	BKH	Tue, Jul 30, 2002	23.60	25.68	23.60	25.65
2561	NYSE	BKH	Mon, Jul 29, 2002	24.15	24.85	23.43	23.61
2560	NYSE	BKH	Fri, Jul 26, 2002	24.39	24.65	23.55	24.00
2559	NYSE	BKH	Thu, Jul 25, 2002	24.35	26.74	24.33	24.39
2558	NYSE	BKH	Wed, Jul 24, 2002	23.68	24.83	23.00	24.31
2557	NYSE	BKH	Tue, Jul 23, 2002	25.80	25.80	23.05	23.93
2556	NYSE	BKH	Mon, Jul 22, 2002	26.90	26.94	25.55	25.81
2555	NYSE	BKH	Fri, Jul 19, 2002	28.45	28.45	26.60	27.05
2554	NYSE	BKH	Thu, Jul 18, 2002	28.90	29.20	28.51	28.68
2553	NYSE	BKH	Wed, Jul 17, 2002	29.20	29.78	28.50	28.90
2552	NYSE	BKH	Tue, Jul 16, 2002	29.39	29.93	29.10	29.39
2551	NYSE	BKH	Mon, Jul 15, 2002	30.15	30.16	28.25	29.19
2550	NYSE	BKH	Fri, Jul 12, 2002	31.20	31.20	29.80	30.15
2549	NYSE	BKH	Thu, Jul 11, 2002	31.20	31.20	30.21	30.96
2548	NYSE	BKH	Wed, Jul 10, 2002	32.50	32.50	31.21	31.35
2547	NYSE	BKH	Tue, Jul 9, 2002	33.15	33.21	32.61	32.64
2546	NYSE	BKH	Mon, Jul 8, 2002	33.75	33.85	33.20	33.21
2545	NYSE	BKH	Fri, Jul 5, 2002	33.75	33.85	33.70	33.76
2544	NYSE	BKH	Wed, Jul 3, 2002	34.60	34.60	33.40	33.57
2543	NYSE	BKH	Tue, Jul 2, 2002	34.35	34.80	34.25	34.51
2542	NYSE	BKH	Mon, Jul 1, 2002	34.61	35.10	34.10	34.45
2541	NYSE	BKH	Fri, Jun 28, 2002	33.75	34.70	33.69	34.61
2540	NYSE	BKH	Thu, Jun 27, 2002	33.19	33.60	32.76	33.50
2539	NYSE	BKH	Wed, Jun 26, 2002	33.24	33.25	32.70	33.00
2538	NYSE	BKH	Tue, Jun 25, 2002	33.35	33.86	33.30	33.49
2537	NYSE	BKH	Mon, Jun 24, 2002	32.95	33.49	32.81	33.25
2536	NYSE	BKH	Fri, Jun 21, 2002	32.65	33.37	32.65	33.20
2535	NYSE	BKH	Thu, Jun 20, 2002	32.51	33.00	32.33	32.90
2534	NYSE	BKH	Wed, Jun 19, 2002	32.80	33.05	32.51	32.51
2533	NYSE	BKH	Tue, Jun 18, 2002	32.09	32.77	32.09	32.75
2532	NYSE	BKH	Mon, Jun 17, 2002	32.60	32.75	32.00	32.34
2531	NYSE	BKH	Fri, Jun 14, 2002	32.30	32.53	31.60	32.45
2530	NYSE	BKH	Thu, Jun 13, 2002	32.70	32.79	32.35	32.40
2529	NYSE	BKH	Wed, Jun 12, 2002	33.00	33.16	32.64	32.70
2528	NYSE	BKH	Tue, Jun 11, 2002	33.80	34.02	33.05	33.05
2527	NYSE	BKH	Mon, Jun 10, 2002	33.80	33.80	33.50	33.79
2526	NYSE	BKH	Fri, Jun 7, 2002	33.10	33.98	33.02	33.91
2525	NYSE	BKH	Thu, Jun 6, 2002	34.76	34.78	33.21	33.57
2524	NYSE	BKH	Wed, Jun 5, 2002	34.70	35.00	34.65	34.91
2523	NYSE	BKH	Tue, Jun 4, 2002	34.63	34.90	34.63	34.72
2522	NYSE	BKH	Mon, Jun 3, 2002	35.32	35.32	34.63	34.63
2521	NYSE	BKH	Fri, May 31, 2002	35.25	35.70	34.75	35.41
2520	NYSE	BKH	Thu, May 30, 2002	35.10	35.10	34.70	35.00
2519	NYSE	BKH	Wed, May 29, 2002	35.10	35.10	34.72	35.04
2518	NYSE	BKH	Tue, May 28, 2002	35.75	35.85	35.00	35.14
2517	NYSE	BKH	Fri, May 24, 2002	36.15	36.36	35.56	35.63
2516	NYSE	BKH	Thu, May 23, 2002	35.40	36.15	35.40	35.96
2515	NYSE	BKH	Wed, May 22, 2002	35.10	35.65	34.95	35.57
2514	NYSE	BKH	Tue, May 21, 2002	34.85	35.34	34.85	35.03
2513	NYSE	BKH	Mon, May 20, 2002	34.86	35.20	34.59	34.92
2512	NYSE	BKH	Fri, May 17, 2002	34.68	35.00	34.68	34.86
2511	NYSE	BKH	Thu, May 16, 2002	34.84	34.99	34.35	34.68
2510	NYSE	BKH	Wed, May 15, 2002	34.71	35.20	34.21	35.09
2509	NYSE	BKH	Tue, May 14, 2002	34.81	35.80	34.81	35.65
2508	NYSE	BKH	Mon, May 13, 2002	35.09	35.31	34.72	34.90
2507	NYSE	BKH	Fri, May 10, 2002	35.15	35.15	34.69	35.10
2506	NYSE	BKH	Thu, May 9, 2002	35.10	35.60	35.10	35.40
2505	NYSE	BKH	Wed, May 8, 2002	35.40	35.40	34.58	34.96
2504	NYSE	BKH	Tue, May 7, 2002	35.68	35.75	35.05	35.15
2503	NYSE	BKH	Mon, May 6, 2002	35.98	36.18	35.56	35.68
2502	NYSE	BKH	Fri, May 3, 2002	35.86	36.30	35.30	35.98
2501	NYSE	BKH	Thu, May 2, 2002	36.59	36.60	35.57	35.76
2500	NYSE	BKH	Wed, May 1, 2002	34.78	36.90	34.75	36.84
2499	NYSE	BKH	Tue, Apr 30, 2002	33.67	34.90	33.60	34.86
2498	NYSE	BKH	Mon, Apr 29, 2002	34.32	34.50	33.51	33.67
2497	NYSE	BKH	Fri, Apr 26, 2002	33.90	34.21	33.90	34.07
2496	NYSE	BKH	Thu, Apr 25, 2002	34.00	34.49	33.89	34.11
2495	NYSE	BKH	Wed, Apr 24, 2002	35.10	35.10	34.63	34.64
2494	NYSE	BKH	Tue, Apr 23, 2002	35.22	35.35	35.01	35.10
2493	NYSE	BKH	Mon, Apr 22, 2002	34.85	35.33	34.75	35.21
2492	NYSE	BKH	Fri, Apr 19, 2002	34.67	35.00	34.43	34.89
2491	NYSE	BKH	Thu, Apr 18, 2002	34.30	34.96	34.15	34.66
2490	NYSE	BKH	Wed, Apr 17, 2002	34.18	34.31	33.90	34.20
2489	NYSE	BKH	Tue, Apr 16, 2002	33.51	33.95	33.51	33.93
2488	NYSE	BKH	Mon, Apr 15, 2002	33.49	33.85	33.05	33.26
2487	NYSE	BKH	Fri, Apr 12, 2002	33.97	33.98	33.12	33.24
2486	NYSE	BKH	Thu, Apr 11, 2002	34.23	34.50	34.12	34.22
2485	NYSE	BKH	Wed, Apr 10, 2002	33.93	34.25	33.77	34.23
2484	NYSE	BKH	Tue, Apr 9, 2002	34.35	35.00	33.50	33.94
2483	NYSE	BKH	Mon, Apr 8, 2002	33.45	34.42	33.35	34.35
2482	NYSE	BKH	Fri, Apr 5, 2002	34.13	34.30	33.15	33.25
2481	NYSE	BKH	Thu, Apr 4, 2002	33.91	34.29	33.75	34.13
2480	NYSE	BKH	Wed, Apr 3, 2002	33.85	34.03	33.71	33.90
2479	NYSE	BKH	Tue, Apr 2, 2002	33.52	34.43	33.42	34.00
2478	NYSE	BKH	Mon, Apr 1, 2002	33.48	33.99	33.20	33.77
2477	NYSE	BKH	Thu, Mar 28, 2002	33.80	33.85	33.10	33.48
2476	NYSE	BKH	Wed, Mar 27, 2002	33.28	33.99	33.28	33.80
2475	NYSE	BKH	Tue, Mar 26, 2002	32.24	33.45	32.20	33.28
2474	NYSE	BKH	Mon, Mar 25, 2002	32.37	32.37	31.87	32.14
2473	NYSE	BKH	Fri, Mar 22, 2002	31.11	32.55	31.11	32.37
2472	NYSE	BKH	Thu, Mar 21, 2002	30.40	30.93	30.32	30.86
2471	NYSE	BKH	Wed, Mar 20, 2002	30.60	30.73	30.37	30.53
2470	NYSE	BKH	Tue, Mar 19, 2002	30.76	30.85	30.22	30.52
2469	NYSE	BKH	Mon, Mar 18, 2002	30.60	30.65	30.08	30.51
2468	NYSE	BKH	Fri, Mar 15, 2002	30.55	30.61	30.22	30.40
2467	NYSE	BKH	Thu, Mar 14, 2002	31.06	31.06	30.51	30.51
2466	NYSE	BKH	Wed, Mar 13, 2002	30.88	31.40	30.65	31.31
2465	NYSE	BKH	Tue, Mar 12, 2002	30.78	30.99	30.10	30.63
2464	NYSE	BKH	Mon, Mar 11, 2002	30.77	31.40	30.61	31.02
2463	NYSE	BKH	Fri, Mar 8, 2002	30.49	30.70	30.40	30.52
2462	NYSE	BKH	Thu, Mar 7, 2002	30.25	30.62	30.15	30.24
2461	NYSE	BKH	Wed, Mar 6, 2002	29.89	30.50	29.76	30.21
2460	NYSE	BKH	Tue, Mar 5, 2002	29.00	29.44	28.98	29.44
2459	NYSE	BKH	Mon, Mar 4, 2002	28.55	28.90	28.47	28.81
2458	NYSE	BKH	Fri, Mar 1, 2002	28.00	28.33	27.95	28.30
2457	NYSE	BKH	Thu, Feb 28, 2002	27.85	27.85	27.40	27.68
2456	NYSE	BKH	Wed, Feb 27, 2002	27.49	27.69	27.39	27.61
2455	NYSE	BKH	Tue, Feb 26, 2002	26.98	27.43	26.70	27.29
2454	NYSE	BKH	Mon, Feb 25, 2002	26.85	27.01	26.65	26.98
2453	NYSE	BKH	Fri, Feb 22, 2002	26.80	26.80	26.53	26.77
2452	NYSE	BKH	Thu, Feb 21, 2002	26.50	27.06	26.50	26.74
2451	NYSE	BKH	Wed, Feb 20, 2002	26.39	26.50	26.28	26.47
2450	NYSE	BKH	Tue, Feb 19, 2002	27.00	27.05	26.00	26.39
2449	NYSE	BKH	Fri, Feb 15, 2002	27.93	27.93	26.81	27.00
2448	NYSE	BKH	Thu, Feb 14, 2002	29.06	29.06	28.05	28.18
2447	NYSE	BKH	Wed, Feb 13, 2002	28.76	29.20	28.76	29.06
2446	NYSE	BKH	Tue, Feb 12, 2002	28.91	29.19	28.91	29.05
2445	NYSE	BKH	Mon, Feb 11, 2002	29.20	29.25	28.75	29.01
2444	NYSE	BKH	Fri, Feb 8, 2002	28.51	29.31	28.51	29.27
2443	NYSE	BKH	Thu, Feb 7, 2002	29.01	29.04	28.50	28.60
2442	NYSE	BKH	Wed, Feb 6, 2002	29.01	29.38	28.95	29.04
2441	NYSE	BKH	Tue, Feb 5, 2002	29.00	29.16	28.95	29.06
2440	NYSE	BKH	Mon, Feb 4, 2002	29.20	29.40	28.95	29.10
2439	NYSE	BKH	Fri, Feb 1, 2002	28.76	29.90	28.75	29.38
2438	NYSE	BKH	Thu, Jan 31, 2002	29.30	29.55	28.85	28.86
2437	NYSE	BKH	Wed, Jan 30, 2002	29.10	29.44	28.75	29.23
2436	NYSE	BKH	Tue, Jan 29, 2002	29.05	29.29	28.77	29.02
2435	NYSE	BKH	Mon, Jan 28, 2002	29.03	29.25	28.76	29.00
2434	NYSE	BKH	Fri, Jan 25, 2002	28.84	29.13	28.78	29.09
2433	NYSE	BKH	Thu, Jan 24, 2002	28.79	28.93	28.54	28.84
2432	NYSE	BKH	Wed, Jan 23, 2002	28.40	28.70	28.15	28.61
2431	NYSE	BKH	Tue, Jan 22, 2002	28.97	29.00	28.27	28.53
2430	NYSE	BKH	Fri, Jan 18, 2002	29.30	29.30	28.88	28.97
2429	NYSE	BKH	Thu, Jan 17, 2002	29.90	29.98	29.16	29.20
2428	NYSE	BKH	Wed, Jan 16, 2002	29.73	29.86	29.60	29.67
2427	NYSE	BKH	Tue, Jan 15, 2002	30.03	30.30	29.60	29.73
2426	NYSE	BKH	Mon, Jan 14, 2002	30.45	30.70	29.90	30.01
2425	NYSE	BKH	Fri, Jan 11, 2002	30.85	31.00	30.18	30.51
2424	NYSE	BKH	Thu, Jan 10, 2002	31.55	31.60	30.84	30.86
2423	NYSE	BKH	Wed, Jan 9, 2002	31.76	32.13	31.65	31.74
2422	NYSE	BKH	Tue, Jan 8, 2002	32.24	32.24	31.68	31.81
2421	NYSE	BKH	Mon, Jan 7, 2002	32.25	32.64	32.00	32.15
2420	NYSE	BKH	Fri, Jan 4, 2002	32.95	33.08	32.41	32.41
2419	NYSE	BKH	Thu, Jan 3, 2002	33.15	33.50	32.91	32.99
2418	NYSE	BKH	Wed, Jan 2, 2002	33.59	33.59	32.56	33.15
2417	NYSE	BKH	Mon, Dec 31, 2001	34.05	34.17	33.57	33.84
2416	NYSE	BKH	Fri, Dec 28, 2001	33.60	34.20	33.08	34.00
2415	NYSE	BKH	Thu, Dec 27, 2001	33.35	33.58	33.26	33.58
2414	NYSE	BKH	Wed, Dec 26, 2001	32.90	33.56	32.80	33.39
2413	NYSE	BKH	Mon, Dec 24, 2001	32.69	33.09	32.69	32.93
2412	NYSE	BKH	Fri, Dec 21, 2001	32.00	32.80	31.60	32.69
2411	NYSE	BKH	Thu, Dec 20, 2001	32.80	32.80	32.10	32.31
2410	NYSE	BKH	Wed, Dec 19, 2001	32.49	32.93	32.25	32.79
2409	NYSE	BKH	Tue, Dec 18, 2001	31.76	32.62	31.66	32.62
2408	NYSE	BKH	Mon, Dec 17, 2001	31.90	32.00	31.40	31.56
2407	NYSE	BKH	Fri, Dec 14, 2001	31.99	32.00	31.80	31.92
2406	NYSE	BKH	Thu, Dec 13, 2001	31.49	31.98	31.42	31.89
2405	NYSE	BKH	Wed, Dec 12, 2001	31.20	31.50	30.65	31.40
2404	NYSE	BKH	Tue, Dec 11, 2001	31.50	31.75	31.10	31.25
2403	NYSE	BKH	Mon, Dec 10, 2001	31.55	31.61	31.25	31.54
2402	NYSE	BKH	Fri, Dec 7, 2001	30.50	31.62	30.35	31.55
2401	NYSE	BKH	Thu, Dec 6, 2001	30.69	30.69	29.65	30.58
2400	NYSE	BKH	Wed, Dec 5, 2001	30.94	31.37	30.50	30.74
2399	NYSE	BKH	Tue, Dec 4, 2001	30.95	31.28	30.60	30.94
2398	NYSE	BKH	Mon, Dec 3, 2001	30.70	30.94	30.33	30.80
2397	NYSE	BKH	Fri, Nov 30, 2001	31.10	31.10	30.38	30.75
2396	NYSE	BKH	Thu, Nov 29, 2001	30.75	31.16	30.71	31.13
2395	NYSE	BKH	Wed, Nov 28, 2001	31.00	31.00	30.59	30.75
2394	NYSE	BKH	Tue, Nov 27, 2001	30.61	31.05	30.53	31.05
2393	NYSE	BKH	Mon, Nov 26, 2001	30.50	30.83	30.38	30.61
2392	NYSE	BKH	Fri, Nov 23, 2001	30.21	30.80	30.15	30.51
2391	NYSE	BKH	Wed, Nov 21, 2001	30.55	30.56	30.00	30.21
2390	NYSE	BKH	Tue, Nov 20, 2001	30.35	31.23	30.24	30.61
2389	NYSE	BKH	Mon, Nov 19, 2001	30.10	30.89	30.05	30.35
2388	NYSE	BKH	Fri, Nov 16, 2001	29.67	30.15	29.67	30.04
2387	NYSE	BKH	Thu, Nov 15, 2001	30.20	30.25	29.46	29.66
2386	NYSE	BKH	Wed, Nov 14, 2001	30.40	30.66	30.24	30.30
2385	NYSE	BKH	Tue, Nov 13, 2001	30.25	30.25	30.09	30.19
2384	NYSE	BKH	Mon, Nov 12, 2001	29.84	30.32	29.55	30.00
2383	NYSE	BKH	Fri, Nov 9, 2001	29.30	29.85	29.30	29.84
2382	NYSE	BKH	Thu, Nov 8, 2001	28.70	29.40	28.70	29.20
2381	NYSE	BKH	Wed, Nov 7, 2001	28.85	29.03	28.51	28.71
2380	NYSE	BKH	Tue, Nov 6, 2001	28.60	28.85	28.15	28.85
2379	NYSE	BKH	Mon, Nov 5, 2001	28.51	28.88	28.50	28.76
2378	NYSE	BKH	Fri, Nov 2, 2001	28.05	28.71	27.65	28.51
2377	NYSE	BKH	Thu, Nov 1, 2001	27.55	27.85	27.05	27.80
2376	NYSE	BKH	Wed, Oct 31, 2001	27.75	27.90	27.43	27.46
2375	NYSE	BKH	Tue, Oct 30, 2001	27.62	27.75	27.50	27.75
2374	NYSE	BKH	Mon, Oct 29, 2001	27.20	27.75	27.20	27.62
2373	NYSE	BKH	Fri, Oct 26, 2001	26.20	27.49	26.20	27.11
2372	NYSE	BKH	Thu, Oct 25, 2001	26.49	26.55	26.00	26.35
2371	NYSE	BKH	Wed, Oct 24, 2001	27.60	27.60	26.00	26.42
2370	NYSE	BKH	Tue, Oct 23, 2001	27.95	27.99	27.60	27.79
2369	NYSE	BKH	Mon, Oct 22, 2001	28.42	28.65	27.97	28.05
2368	NYSE	BKH	Fri, Oct 19, 2001	28.19	28.45	27.98	28.22
2367	NYSE	BKH	Thu, Oct 18, 2001	29.20	29.22	28.25	28.39
2366	NYSE	BKH	Wed, Oct 17, 2001	29.95	29.98	29.00	29.26
2365	NYSE	BKH	Tue, Oct 16, 2001	29.60	30.00	29.60	29.99
2364	NYSE	BKH	Mon, Oct 15, 2001	29.90	29.95	29.25	29.54
2363	NYSE	BKH	Fri, Oct 12, 2001	30.30	30.33	29.90	29.90
2362	NYSE	BKH	Thu, Oct 11, 2001	30.25	30.55	30.18	30.30
2361	NYSE	BKH	Wed, Oct 10, 2001	30.17	30.25	29.90	30.24
2360	NYSE	BKH	Tue, Oct 9, 2001	30.10	30.24	29.75	30.16
2359	NYSE	BKH	Mon, Oct 8, 2001	30.24	30.24	29.70	29.99
2358	NYSE	BKH	Fri, Oct 5, 2001	30.20	30.24	29.85	30.23
2357	NYSE	BKH	Thu, Oct 4, 2001	30.24	30.42	30.19	30.24
2356	NYSE	BKH	Wed, Oct 3, 2001	30.40	30.75	29.87	30.24
2355	NYSE	BKH	Tue, Oct 2, 2001	30.34	30.60	30.03	30.26
2354	NYSE	BKH	Mon, Oct 1, 2001	30.53	30.61	29.50	30.09
2353	NYSE	BKH	Fri, Sep 28, 2001	29.25	31.01	29.25	30.52
2352	NYSE	BKH	Thu, Sep 27, 2001	29.45	29.85	29.01	29.29
2351	NYSE	BKH	Wed, Sep 26, 2001	29.50	29.99	29.00	29.55
2350	NYSE	BKH	Tue, Sep 25, 2001	28.50	29.51	28.42	29.50
2349	NYSE	BKH	Mon, Sep 24, 2001	28.39	29.00	28.38	28.50
2348	NYSE	BKH	Fri, Sep 21, 2001	28.27	28.50	27.76	28.38
2347	NYSE	BKH	Thu, Sep 20, 2001	28.75	29.05	28.25	28.60
2346	NYSE	BKH	Wed, Sep 19, 2001	30.40	30.40	28.05	28.90
2345	NYSE	BKH	Tue, Sep 18, 2001	31.45	31.75	30.20	30.20
2344	NYSE	BKH	Mon, Sep 17, 2001	31.50	31.95	30.95	31.39
2343	NYSE	BKH	Mon, Sep 10, 2001	31.75	31.85	31.55	31.67
2342	NYSE	BKH	Fri, Sep 7, 2001	31.81	32.26	31.75	31.80
2341	NYSE	BKH	Thu, Sep 6, 2001	31.82	32.00	31.79	31.81
2340	NYSE	BKH	Wed, Sep 5, 2001	31.76	32.44	31.76	31.86
2339	NYSE	BKH	Tue, Sep 4, 2001	31.76	32.40	31.66	31.75
2338	NYSE	BKH	Fri, Aug 31, 2001	31.60	31.91	31.51	31.75
2337	NYSE	BKH	Thu, Aug 30, 2001	31.35	31.57	31.15	31.46
2336	NYSE	BKH	Wed, Aug 29, 2001	32.16	32.16	31.11	31.35
2335	NYSE	BKH	Tue, Aug 28, 2001	32.10	32.20	32.00	32.12
2334	NYSE	BKH	Mon, Aug 27, 2001	31.85	32.11	31.80	32.01
2333	NYSE	BKH	Fri, Aug 24, 2001	32.40	32.45	31.50	31.85
2332	NYSE	BKH	Thu, Aug 23, 2001	32.90	33.50	32.30	32.30
2331	NYSE	BKH	Wed, Aug 22, 2001	33.95	33.98	32.50	32.90
2330	NYSE	BKH	Tue, Aug 21, 2001	34.80	34.90	34.19	34.45
2329	NYSE	BKH	Mon, Aug 20, 2001	35.05	35.23	34.67	34.72
2328	NYSE	BKH	Fri, Aug 17, 2001	35.25	35.72	34.40	35.05
2327	NYSE	BKH	Thu, Aug 16, 2001	35.65	36.05	35.21	35.39
2326	NYSE	BKH	Wed, Aug 15, 2001	35.98	35.98	35.32	35.70
2325	NYSE	BKH	Tue, Aug 14, 2001	36.60	36.70	35.80	35.98
2324	NYSE	BKH	Mon, Aug 13, 2001	36.90	37.10	36.85	36.99
2323	NYSE	BKH	Fri, Aug 10, 2001	37.15	37.23	37.00	37.15
2322	NYSE	BKH	Thu, Aug 9, 2001	37.08	37.20	36.61	37.15
2321	NYSE	BKH	Wed, Aug 8, 2001	38.95	38.95	37.10	37.33
2320	NYSE	BKH	Tue, Aug 7, 2001	38.75	39.25	38.73	39.20
2319	NYSE	BKH	Mon, Aug 6, 2001	40.10	40.10	38.99	39.00
2318	NYSE	BKH	Fri, Aug 3, 2001	40.55	40.70	39.64	40.20
2317	NYSE	BKH	Thu, Aug 2, 2001	40.75	40.91	39.95	40.48
2316	NYSE	BKH	Wed, Aug 1, 2001	40.93	40.93	40.28	40.67
2315	NYSE	BKH	Tue, Jul 31, 2001	41.34	41.50	40.75	40.98
2314	NYSE	BKH	Mon, Jul 30, 2001	41.04	41.35	40.10	41.34
2313	NYSE	BKH	Fri, Jul 27, 2001	41.65	41.65	40.69	41.04
2312	NYSE	BKH	Thu, Jul 26, 2001	41.00	41.70	40.65	41.65
2311	NYSE	BKH	Wed, Jul 25, 2001	40.15	41.00	39.80	41.00
2310	NYSE	BKH	Tue, Jul 24, 2001	42.69	42.69	39.75	40.14
2309	NYSE	BKH	Mon, Jul 23, 2001	44.96	44.96	42.40	42.70
2308	NYSE	BKH	Fri, Jul 20, 2001	45.50	45.50	44.65	44.71
2307	NYSE	BKH	Thu, Jul 19, 2001	45.12	45.55	45.12	45.40
2306	NYSE	BKH	Wed, Jul 18, 2001	44.99	45.54	44.98	45.10
2305	NYSE	BKH	Tue, Jul 17, 2001	44.49	45.37	44.40	44.88
2304	NYSE	BKH	Mon, Jul 16, 2001	44.28	44.71	44.20	44.44
2303	NYSE	BKH	Fri, Jul 13, 2001	44.05	44.25	44.00	44.03
2302	NYSE	BKH	Thu, Jul 12, 2001	44.48	44.50	44.20	44.23
2301	NYSE	BKH	Wed, Jul 11, 2001	44.74	44.75	43.85	44.43
2300	NYSE	BKH	Tue, Jul 10, 2001	42.24	44.80	42.24	44.70
2299	NYSE	BKH	Mon, Jul 9, 2001	41.75	42.48	41.72	42.23
2298	NYSE	BKH	Fri, Jul 6, 2001	41.46	42.43	41.20	42.00
2297	NYSE	BKH	Thu, Jul 5, 2001	41.20	42.00	41.00	41.45
2296	NYSE	BKH	Tue, Jul 3, 2001	40.65	41.25	40.46	41.10
2295	NYSE	BKH	Mon, Jul 2, 2001	40.40	40.91	40.10	40.55
2294	NYSE	BKH	Fri, Jun 29, 2001	40.46	40.97	39.50	40.23
2293	NYSE	BKH	Thu, Jun 28, 2001	41.55	41.76	40.81	40.86
2292	NYSE	BKH	Wed, Jun 27, 2001	41.52	42.00	41.02	41.63
2291	NYSE	BKH	Tue, Jun 26, 2001	41.30	42.30	41.20	41.51
2290	NYSE	BKH	Mon, Jun 25, 2001	42.40	42.79	41.65	41.82
2289	NYSE	BKH	Fri, Jun 22, 2001	43.21	43.90	42.00	42.40
2288	NYSE	BKH	Thu, Jun 21, 2001	47.03	47.20	42.70	43.20
2287	NYSE	BKH	Wed, Jun 20, 2001	46.11	47.61	46.11	47.03
2286	NYSE	BKH	Tue, Jun 19, 2001	45.65	46.30	45.00	46.11
2285	NYSE	BKH	Mon, Jun 18, 2001	46.20	47.24	45.26	45.40
2284	NYSE	BKH	Fri, Jun 15, 2001	44.00	49.25	44.00	46.60
2283	NYSE	BKH	Thu, Jun 14, 2001	46.30	46.95	44.47	45.46
2282	NYSE	BKH	Wed, Jun 13, 2001	47.00	48.60	46.50	46.50
2281	NYSE	BKH	Tue, Jun 12, 2001	47.25	47.50	47.05	47.11
2280	NYSE	BKH	Mon, Jun 11, 2001	48.55	49.70	47.74	47.89
2279	NYSE	BKH	Fri, Jun 8, 2001	48.05	49.24	47.60	48.80
2278	NYSE	BKH	Thu, Jun 7, 2001	50.00	50.70	47.50	48.05
2277	NYSE	BKH	Wed, Jun 6, 2001	55.20	55.40	51.40	51.97
2276	NYSE	BKH	Tue, Jun 5, 2001	55.97	56.21	54.60	55.20
2275	NYSE	BKH	Mon, Jun 4, 2001	55.85	56.35	55.85	55.97
2274	NYSE	BKH	Fri, Jun 1, 2001	55.20	56.19	54.91	55.96
2273	NYSE	BKH	Thu, May 31, 2001	54.70	55.85	54.64	54.90
2272	NYSE	BKH	Wed, May 30, 2001	56.96	58.38	55.29	55.36
2271	NYSE	BKH	Tue, May 29, 2001	57.50	58.00	56.55	56.96
2270	NYSE	BKH	Fri, May 25, 2001	58.05	58.40	56.51	57.27
2269	NYSE	BKH	Thu, May 24, 2001	57.44	58.25	57.03	58.05
2268	NYSE	BKH	Wed, May 23, 2001	57.85	57.99	57.27	57.45
2267	NYSE	BKH	Tue, May 22, 2001	58.00	58.50	57.30	57.85
2266	NYSE	BKH	Mon, May 21, 2001	56.15	58.00	56.05	58.00
2265	NYSE	BKH	Fri, May 18, 2001	54.53	56.23	54.51	55.94
2264	NYSE	BKH	Thu, May 17, 2001	54.50	55.00	54.16	54.53
2263	NYSE	BKH	Wed, May 16, 2001	53.95	54.64	53.92	54.15
2262	NYSE	BKH	Tue, May 15, 2001	54.30	54.51	53.95	54.10
2261	NYSE	BKH	Mon, May 14, 2001	54.20	54.99	54.01	54.12
2260	NYSE	BKH	Fri, May 11, 2001	53.60	54.41	53.60	54.15
2259	NYSE	BKH	Thu, May 10, 2001	53.00	53.85	52.86	53.67
2258	NYSE	BKH	Wed, May 9, 2001	51.70	53.05	51.55	52.86
2257	NYSE	BKH	Tue, May 8, 2001	51.30	51.95	50.95	51.78
2256	NYSE	BKH	Mon, May 7, 2001	51.00	51.74	50.94	51.30
2255	NYSE	BKH	Fri, May 4, 2001	50.00	50.62	49.65	50.62
2254	NYSE	BKH	Thu, May 3, 2001	50.50	50.60	49.30	50.00
2253	NYSE	BKH	Wed, May 2, 2001	50.40	50.80	49.43	50.40
2252	NYSE	BKH	Tue, May 1, 2001	51.38	51.71	49.30	50.40
2251	NYSE	BKH	Mon, Apr 30, 2001	52.30	52.31	50.80	51.37
2250	NYSE	BKH	Fri, Apr 27, 2001	52.10	52.60	52.07	52.55
2249	NYSE	BKH	Thu, Apr 26, 2001	51.30	52.35	51.25	52.10
2248	NYSE	BKH	Wed, Apr 25, 2001	51.05	51.74	51.05	51.30
2247	NYSE	BKH	Tue, Apr 24, 2001	51.00	51.70	50.75	50.90
2246	NYSE	BKH	Mon, Apr 23, 2001	50.00	51.50	49.80	50.45
2245	NYSE	BKH	Fri, Apr 20, 2001	51.40	51.45	49.56	50.00
2244	NYSE	BKH	Thu, Apr 19, 2001	53.21	53.35	51.00	51.00
2243	NYSE	BKH	Wed, Apr 18, 2001	53.90	55.25	53.21	53.21
2242	NYSE	BKH	Tue, Apr 17, 2001	55.00	55.18	52.60	53.90
2241	NYSE	BKH	Mon, Apr 16, 2001	52.49	53.75	52.02	53.33
2240	NYSE	BKH	Thu, Apr 12, 2001	53.01	54.00	52.30	52.49
2239	NYSE	BKH	Wed, Apr 11, 2001	52.17	53.49	51.02	53.01
2238	NYSE	BKH	Tue, Apr 10, 2001	51.51	54.00	51.51	52.27
2237	NYSE	BKH	Mon, Apr 9, 2001	48.33	51.65	48.33	51.50
2236	NYSE	BKH	Fri, Apr 6, 2001	47.95	48.80	46.50	48.23
2235	NYSE	BKH	Thu, Apr 5, 2001	48.21	49.03	46.50	48.10
2234	NYSE	BKH	Wed, Apr 4, 2001	46.90	48.50	46.67	48.27
2233	NYSE	BKH	Tue, Apr 3, 2001	47.10	47.76	45.90	46.91
2232	NYSE	BKH	Mon, Apr 2, 2001	45.81	47.35	45.81	46.75
2231	NYSE	BKH	Fri, Mar 30, 2001	44.25	45.74	44.25	45.71
2230	NYSE	BKH	Thu, Mar 29, 2001	42.35	44.26	42.17	44.20
2229	NYSE	BKH	Wed, Mar 28, 2001	42.21	42.32	41.10	42.15
2228	NYSE	BKH	Tue, Mar 27, 2001	42.75	42.75	42.26	42.46
2227	NYSE	BKH	Mon, Mar 26, 2001	43.00	43.70	42.74	42.75
2226	NYSE	BKH	Fri, Mar 23, 2001	44.00	44.00	42.80	43.00
2225	NYSE	BKH	Thu, Mar 22, 2001	44.30	44.39	43.50	44.19
2224	NYSE	BKH	Wed, Mar 21, 2001	44.30	44.55	44.16	44.30
2223	NYSE	BKH	Tue, Mar 20, 2001	44.65	45.00	44.26	44.26
2222	NYSE	BKH	Mon, Mar 19, 2001	43.50	44.65	43.30	44.65
2221	NYSE	BKH	Fri, Mar 16, 2001	43.50	43.90	43.49	43.50
2220	NYSE	BKH	Thu, Mar 15, 2001	43.35	43.59	43.04	43.45
2219	NYSE	BKH	Wed, Mar 14, 2001	43.60	43.75	43.05	43.39
2218	NYSE	BKH	Tue, Mar 13, 2001	42.96	43.70	42.41	43.70
2217	NYSE	BKH	Mon, Mar 12, 2001	43.38	43.50	42.96	42.96
2216	NYSE	BKH	Fri, Mar 9, 2001	43.80	43.80	42.91	43.38
2215	NYSE	BKH	Thu, Mar 8, 2001	43.15	44.00	43.04	43.90
2214	NYSE	BKH	Wed, Mar 7, 2001	41.87	43.70	41.40	43.19
2213	NYSE	BKH	Tue, Mar 6, 2001	41.60	42.06	41.25	41.86
2212	NYSE	BKH	Mon, Mar 5, 2001	40.75	41.99	40.75	41.77
2211	NYSE	BKH	Fri, Mar 2, 2001	38.91	41.00	38.91	40.20
2210	NYSE	BKH	Thu, Mar 1, 2001	39.20	39.20	38.91	39.02
2209	NYSE	BKH	Wed, Feb 28, 2001	38.91	39.48	38.90	39.37
2208	NYSE	BKH	Tue, Feb 27, 2001	38.85	39.06	38.70	39.00
2207	NYSE	BKH	Mon, Feb 26, 2001	38.40	38.90	38.40	38.85
2206	NYSE	BKH	Fri, Feb 23, 2001	38.26	38.49	38.20	38.39
2205	NYSE	BKH	Thu, Feb 22, 2001	38.67	38.70	38.23	38.39
2204	NYSE	BKH	Wed, Feb 21, 2001	38.90	39.00	38.35	38.66
2203	NYSE	BKH	Tue, Feb 20, 2001	39.60	39.60	38.83	38.83
2202	NYSE	BKH	Fri, Feb 16, 2001	39.26	39.69	39.26	39.55
2201	NYSE	BKH	Thu, Feb 15, 2001	39.25	39.48	39.00	39.30
2200	NYSE	BKH	Wed, Feb 14, 2001	38.89	39.20	38.61	39.20
2199	NYSE	BKH	Tue, Feb 13, 2001	39.10	39.50	38.85	39.18
2198	NYSE	BKH	Mon, Feb 12, 2001	39.81	39.89	38.79	39.05
2197	NYSE	BKH	Fri, Feb 9, 2001	39.20	39.87	39.12	39.76
2196	NYSE	BKH	Thu, Feb 8, 2001	38.65	39.18	38.50	39.18
2195	NYSE	BKH	Wed, Feb 7, 2001	39.10	39.15	38.40	38.59
2194	NYSE	BKH	Tue, Feb 6, 2001	38.65	39.20	38.60	39.02
2193	NYSE	BKH	Mon, Feb 5, 2001	38.29	38.99	38.25	38.81
2192	NYSE	BKH	Fri, Feb 2, 2001	38.41	38.52	38.25	38.28
2191	NYSE	BKH	Thu, Feb 1, 2001	38.30	38.64	38.00	38.41
2190	NYSE	BKH	Wed, Jan 31, 2001	38.60	38.61	38.19	38.21
2189	NYSE	BKH	Tue, Jan 30, 2001	38.02	38.71	38.02	38.68
2188	NYSE	BKH	Mon, Jan 29, 2001	36.32	38.99	36.32	38.01
2187	NYSE	BKH	Fri, Jan 26, 2001	36.00	36.69	35.88	36.44
2186	NYSE	BKH	Thu, Jan 25, 2001	34.88	36.50	34.81	36.13
2185	NYSE	BKH	Wed, Jan 24, 2001	34.50	35.38	34.50	34.56
2184	NYSE	BKH	Tue, Jan 23, 2001	33.56	34.94	33.56	34.69
2183	NYSE	BKH	Mon, Jan 22, 2001	33.19	33.88	32.56	33.44
2182	NYSE	BKH	Fri, Jan 19, 2001	34.38	34.38	33.00	33.00
2181	NYSE	BKH	Thu, Jan 18, 2001	33.56	34.69	33.06	34.56
2180	NYSE	BKH	Wed, Jan 17, 2001	33.50	33.81	33.06	33.19
2179	NYSE	BKH	Tue, Jan 16, 2001	33.75	33.88	32.13	33.75
2178	NYSE	BKH	Fri, Jan 12, 2001	32.13	34.38	32.00	34.00
2177	NYSE	BKH	Thu, Jan 11, 2001	32.56	32.81	31.00	32.38
2176	NYSE	BKH	Wed, Jan 10, 2001	32.88	33.06	31.00	32.81
2175	NYSE	BKH	Tue, Jan 9, 2001	32.69	33.56	32.56	33.00
2174	NYSE	BKH	Mon, Jan 8, 2001	32.69	33.44	32.38	33.06
2173	NYSE	BKH	Fri, Jan 5, 2001	33.50	33.50	31.25	32.50
2172	NYSE	BKH	Thu, Jan 4, 2001	37.44	37.56	33.75	33.94
2171	NYSE	BKH	Wed, Jan 3, 2001	37.88	39.31	36.00	37.69
2170	NYSE	BKH	Tue, Jan 2, 2001	44.31	44.31	37.88	38.13
2169	NYSE	BKH	Fri, Dec 29, 2000	44.94	46.06	44.63	44.75
2168	NYSE	BKH	Thu, Dec 28, 2000	44.25	45.13	43.19	45.13
2167	NYSE	BKH	Wed, Dec 27, 2000	41.31	44.25	41.31	44.25
2166	NYSE	BKH	Tue, Dec 26, 2000	39.88	41.81	39.88	41.06
2165	NYSE	BKH	Fri, Dec 22, 2000	39.50	40.00	39.00	40.00
2164	NYSE	BKH	Thu, Dec 21, 2000	37.88	39.69	37.88	39.63
2163	NYSE	BKH	Wed, Dec 20, 2000	39.13	39.25	37.88	37.88
2162	NYSE	BKH	Tue, Dec 19, 2000	39.63	39.94	39.00	39.13
2161	NYSE	BKH	Mon, Dec 18, 2000	38.94	39.63	38.88	39.63
2160	NYSE	BKH	Fri, Dec 15, 2000	37.81	38.81	37.81	38.75
2159	NYSE	BKH	Thu, Dec 14, 2000	38.06	38.38	37.88	38.06
2158	NYSE	BKH	Wed, Dec 13, 2000	37.81	38.31	37.63	38.13
2157	NYSE	BKH	Tue, Dec 12, 2000	37.50	38.06	37.38	37.69
2156	NYSE	BKH	Mon, Dec 11, 2000	35.56	37.50	35.44	37.25
2155	NYSE	BKH	Fri, Dec 8, 2000	35.25	35.75	35.00	35.75
2154	NYSE	BKH	Thu, Dec 7, 2000	34.31	36.25	34.31	35.25
2153	NYSE	BKH	Wed, Dec 6, 2000	34.06	34.75	34.00	34.31
2152	NYSE	BKH	Tue, Dec 5, 2000	34.25	34.31	34.06	34.31
2151	NYSE	BKH	Mon, Dec 4, 2000	34.25	34.38	34.00	34.19
2150	NYSE	BKH	Fri, Dec 1, 2000	34.19	34.25	33.94	34.19
2149	NYSE	BKH	Thu, Nov 30, 2000	34.63	35.06	33.63	34.13
2148	NYSE	BKH	Wed, Nov 29, 2000	33.81	34.50	33.75	34.50
2147	NYSE	BKH	Tue, Nov 28, 2000	33.88	34.06	33.31	34.00
2146	NYSE	BKH	Mon, Nov 27, 2000	33.94	34.56	33.88	34.38
2145	NYSE	BKH	Fri, Nov 24, 2000	33.38	34.00	33.38	34.00
2144	NYSE	BKH	Wed, Nov 22, 2000	32.13	33.38	31.63	33.38
2143	NYSE	BKH	Tue, Nov 21, 2000	30.38	32.13	30.00	32.13
2142	NYSE	BKH	Mon, Nov 20, 2000	29.75	30.38	29.44	30.38
2141	NYSE	BKH	Fri, Nov 17, 2000	29.06	29.63	29.00	29.63
2140	NYSE	BKH	Thu, Nov 16, 2000	28.94	29.25	28.75	28.88
2139	NYSE	BKH	Wed, Nov 15, 2000	29.19	29.63	28.94	29.06
2138	NYSE	BKH	Tue, Nov 14, 2000	29.25	29.50	29.19	29.31
2137	NYSE	BKH	Mon, Nov 13, 2000	28.81	29.13	28.75	29.13
2136	NYSE	BKH	Fri, Nov 10, 2000	29.38	29.81	28.88	29.13
2135	NYSE	BKH	Thu, Nov 9, 2000	29.94	29.94	28.88	29.50
2134	NYSE	BKH	Wed, Nov 8, 2000	30.00	30.44	29.50	29.88
2133	NYSE	BKH	Tue, Nov 7, 2000	30.06	30.50	29.69	30.06
2132	NYSE	BKH	Mon, Nov 6, 2000	31.06	31.06	30.19	30.31
2131	NYSE	BKH	Fri, Nov 3, 2000	31.38	31.38	30.31	31.06
2130	NYSE	BKH	Thu, Nov 2, 2000	31.50	31.75	30.81	31.25
2129	NYSE	BKH	Wed, Nov 1, 2000	31.38	31.81	31.25	31.75
2128	NYSE	BKH	Tue, Oct 31, 2000	31.13	31.44	31.06	31.25
2127	NYSE	BKH	Mon, Oct 30, 2000	30.75	31.38	30.75	31.38
2126	NYSE	BKH	Fri, Oct 27, 2000	30.44	31.00	30.38	30.94
2125	NYSE	BKH	Thu, Oct 26, 2000	30.44	30.56	30.00	30.56
2124	NYSE	BKH	Wed, Oct 25, 2000	29.63	30.44	29.56	30.44
2123	NYSE	BKH	Tue, Oct 24, 2000	29.19	29.69	29.13	29.56
2122	NYSE	BKH	Mon, Oct 23, 2000	30.00	30.13	28.88	29.31
2121	NYSE	BKH	Fri, Oct 20, 2000	29.56	29.75	29.56	29.69
2120	NYSE	BKH	Thu, Oct 19, 2000	28.44	29.31	28.38	29.31
2119	NYSE	BKH	Wed, Oct 18, 2000	28.56	28.81	28.00	28.38
2118	NYSE	BKH	Tue, Oct 17, 2000	28.50	28.69	28.19	28.63
2117	NYSE	BKH	Mon, Oct 16, 2000	29.00	29.00	28.44	28.50
2116	NYSE	BKH	Fri, Oct 13, 2000	28.19	29.00	27.69	29.00
2115	NYSE	BKH	Thu, Oct 12, 2000	28.00	28.38	27.75	28.38
2114	NYSE	BKH	Wed, Oct 11, 2000	28.19	28.50	28.00	28.38
2113	NYSE	BKH	Tue, Oct 10, 2000	27.56	28.88	27.56	27.94
2112	NYSE	BKH	Mon, Oct 9, 2000	28.13	28.13	27.44	27.69
2111	NYSE	BKH	Fri, Oct 6, 2000	28.13	28.13	27.69	28.06
2110	NYSE	BKH	Thu, Oct 5, 2000	27.88	28.44	27.88	28.00
2109	NYSE	BKH	Wed, Oct 4, 2000	27.63	27.81	27.00	27.75
2108	NYSE	BKH	Tue, Oct 3, 2000	28.06	28.38	27.44	27.63
2107	NYSE	BKH	Mon, Oct 2, 2000	28.19	28.63	28.00	28.19
2106	NYSE	BKH	Fri, Sep 29, 2000	28.13	28.31	27.81	28.06
2105	NYSE	BKH	Thu, Sep 28, 2000	27.94	28.56	27.94	28.25
2104	NYSE	BKH	Wed, Sep 27, 2000	28.00	28.25	27.38	28.06
2103	NYSE	BKH	Tue, Sep 26, 2000	27.88	28.25	27.75	28.06
2102	NYSE	BKH	Mon, Sep 25, 2000	27.75	27.94	27.25	27.88
2101	NYSE	BKH	Fri, Sep 22, 2000	27.50	27.94	26.88	27.88
2100	NYSE	BKH	Thu, Sep 21, 2000	28.00	28.38	27.56	27.69
2099	NYSE	BKH	Wed, Sep 20, 2000	28.00	28.25	27.88	28.06
2098	NYSE	BKH	Tue, Sep 19, 2000	28.00	28.25	27.75	28.25
2097	NYSE	BKH	Mon, Sep 18, 2000	29.25	29.25	27.63	28.19
2096	NYSE	BKH	Fri, Sep 15, 2000	28.75	30.13	28.69	29.25
2095	NYSE	BKH	Thu, Sep 14, 2000	27.94	29.00	27.75	29.00
2094	NYSE	BKH	Wed, Sep 13, 2000	27.25	27.88	27.19	27.75
2093	NYSE	BKH	Tue, Sep 12, 2000	27.31	27.63	26.94	27.50
2092	NYSE	BKH	Mon, Sep 11, 2000	27.13	27.56	26.94	27.19
2091	NYSE	BKH	Fri, Sep 8, 2000	26.91	28.19	26.81	27.13
2090	NYSE	BKH	Thu, Sep 7, 2000	25.88	26.94	25.88	26.94
2089	NYSE	BKH	Wed, Sep 6, 2000	25.81	26.00	25.50	26.00
2088	NYSE	BKH	Tue, Sep 5, 2000	25.94	26.00	25.75	25.94
2087	NYSE	BKH	Fri, Sep 1, 2000	25.56	25.81	25.31	25.81
2086	NYSE	BKH	Thu, Aug 31, 2000	25.50	25.56	25.38	25.50
2085	NYSE	BKH	Wed, Aug 30, 2000	25.31	25.50	25.25	25.50
2084	NYSE	BKH	Tue, Aug 29, 2000	25.25	25.38	24.94	25.25
2083	NYSE	BKH	Mon, Aug 28, 2000	25.06	25.38	25.06	25.25
2082	NYSE	BKH	Fri, Aug 25, 2000	24.88	25.06	24.69	25.06
2081	NYSE	BKH	Thu, Aug 24, 2000	24.69	24.75	24.38	24.69
2080	NYSE	BKH	Wed, Aug 23, 2000	24.75	24.75	24.50	24.56
2079	NYSE	BKH	Tue, Aug 22, 2000	25.19	25.19	24.50	24.94
2078	NYSE	BKH	Mon, Aug 21, 2000	25.31	25.38	25.13	25.19
2077	NYSE	BKH	Fri, Aug 18, 2000	25.25	25.44	24.88	25.44
2076	NYSE	BKH	Thu, Aug 17, 2000	25.69	25.75	24.13	25.19
2075	NYSE	BKH	Wed, Aug 16, 2000	25.31	25.63	25.19	25.50
2074	NYSE	BKH	Tue, Aug 15, 2000	25.88	26.00	25.19	25.75
2073	NYSE	BKH	Mon, Aug 14, 2000	25.69	26.00	25.38	26.00
2072	NYSE	BKH	Fri, Aug 11, 2000	24.81	25.88	24.75	25.81
2071	NYSE	BKH	Thu, Aug 10, 2000	24.50	25.13	24.50	24.81
2070	NYSE	BKH	Wed, Aug 9, 2000	24.88	24.94	24.31	24.44
2069	NYSE	BKH	Tue, Aug 8, 2000	24.56	25.00	24.50	25.00
2068	NYSE	BKH	Mon, Aug 7, 2000	24.19	24.94	24.19	24.75
2067	NYSE	BKH	Fri, Aug 4, 2000	24.19	24.31	23.75	24.31
2066	NYSE	BKH	Thu, Aug 3, 2000	23.00	24.25	22.81	24.19
2065	NYSE	BKH	Wed, Aug 2, 2000	23.19	23.25	22.81	22.88
2064	NYSE	BKH	Tue, Aug 1, 2000	23.13	23.38	23.13	23.19
2063	NYSE	BKH	Mon, Jul 31, 2000	23.00	23.19	22.69	23.19
2062	NYSE	BKH	Fri, Jul 28, 2000	23.06	23.13	22.75	23.06
2061	NYSE	BKH	Thu, Jul 27, 2000	23.00	23.25	23.00	23.13
2060	NYSE	BKH	Wed, Jul 26, 2000	22.38	23.00	22.38	22.94
2059	NYSE	BKH	Tue, Jul 25, 2000	22.50	22.75	22.00	22.44
2058	NYSE	BKH	Mon, Jul 24, 2000	22.69	22.94	22.25	22.31
2057	NYSE	BKH	Fri, Jul 21, 2000	22.94	23.19	22.63	22.69
2056	NYSE	BKH	Thu, Jul 20, 2000	22.69	23.00	22.69	22.94
2055	NYSE	BKH	Wed, Jul 19, 2000	22.25	23.00	22.25	22.94
2054	NYSE	BKH	Tue, Jul 18, 2000	23.00	23.00	22.38	22.50
2053	NYSE	BKH	Mon, Jul 17, 2000	23.13	23.25	22.94	22.94
2052	NYSE	BKH	Fri, Jul 14, 2000	23.50	23.50	23.19	23.25
2051	NYSE	BKH	Thu, Jul 13, 2000	23.69	23.94	23.44	23.56
2050	NYSE	BKH	Wed, Jul 12, 2000	23.31	23.81	23.19	23.81
2049	NYSE	BKH	Tue, Jul 11, 2000	23.38	23.38	23.00	23.31
2048	NYSE	BKH	Mon, Jul 10, 2000	23.69	23.69	23.25	23.31
2047	NYSE	BKH	Fri, Jul 7, 2000	23.44	23.88	23.38	23.69
2046	NYSE	BKH	Thu, Jul 6, 2000	23.25	23.38	23.00	23.38
2045	NYSE	BKH	Wed, Jul 5, 2000	23.00	23.25	22.56	23.13
2044	NYSE	BKH	Mon, Jul 3, 2000	22.69	23.31	22.69	23.06
2043	NYSE	BKH	Fri, Jun 30, 2000	23.06	23.31	22.55	22.55
2042	NYSE	BKH	Thu, Jun 29, 2000	23.56	24.19	23.13	23.25
2041	NYSE	BKH	Wed, Jun 28, 2000	23.25	23.56	23.00	23.56
2040	NYSE	BKH	Tue, Jun 27, 2000	24.00	24.19	23.31	23.38
2039	NYSE	BKH	Mon, Jun 26, 2000	23.75	23.94	23.75	23.81
2038	NYSE	BKH	Fri, Jun 23, 2000	23.56	24.06	23.44	23.94
2037	NYSE	BKH	Thu, Jun 22, 2000	24.50	24.56	23.50	23.63
2036	NYSE	BKH	Wed, Jun 21, 2000	25.00	25.19	24.50	24.63
2035	NYSE	BKH	Tue, Jun 20, 2000	24.81	25.13	24.31	25.13
2034	NYSE	BKH	Mon, Jun 19, 2000	24.13	24.69	23.94	24.69
2033	NYSE	BKH	Fri, Jun 16, 2000	24.50	24.75	23.88	24.13
2032	NYSE	BKH	Thu, Jun 15, 2000	23.94	24.63	23.88	24.63
2031	NYSE	BKH	Wed, Jun 14, 2000	23.06	24.25	23.06	24.06
2030	NYSE	BKH	Tue, Jun 13, 2000	23.00	23.25	22.50	23.25
2029	NYSE	BKH	Mon, Jun 12, 2000	22.94	23.13	22.81	22.81
2028	NYSE	BKH	Fri, Jun 9, 2000	22.63	22.88	22.50	22.75
2027	NYSE	BKH	Thu, Jun 8, 2000	22.25	22.69	22.25	22.63
2026	NYSE	BKH	Wed, Jun 7, 2000	22.25	22.44	22.25	22.25
2025	NYSE	BKH	Tue, Jun 6, 2000	22.63	22.69	22.25	22.38
2024	NYSE	BKH	Mon, Jun 5, 2000	23.56	23.56	22.31	22.50
2023	NYSE	BKH	Fri, Jun 2, 2000	24.13	24.13	23.38	23.56
2022	NYSE	BKH	Thu, Jun 1, 2000	23.94	24.06	23.50	24.00
2021	NYSE	BKH	Wed, May 31, 2000	23.50	24.00	23.50	23.94
2020	NYSE	BKH	Tue, May 30, 2000	23.94	23.94	23.31	23.69
2019	NYSE	BKH	Fri, May 26, 2000	23.06	24.00	23.06	23.81
2018	NYSE	BKH	Thu, May 25, 2000	23.13	23.38	22.69	23.06
2017	NYSE	BKH	Wed, May 24, 2000	22.56	23.00	22.50	22.81
2016	NYSE	BKH	Tue, May 23, 2000	22.81	22.88	22.50	22.56
2015	NYSE	BKH	Mon, May 22, 2000	22.38	23.00	22.31	22.94
2014	NYSE	BKH	Fri, May 19, 2000	22.63	22.63	22.00	22.50
2013	NYSE	BKH	Thu, May 18, 2000	23.25	23.31	22.31	22.50
2012	NYSE	BKH	Wed, May 17, 2000	23.31	23.31	22.88	23.13
2011	NYSE	BKH	Tue, May 16, 2000	23.25	23.38	23.06	23.31
2010	NYSE	BKH	Mon, May 15, 2000	22.94	23.25	22.31	23.25
2009	NYSE	BKH	Fri, May 12, 2000	23.19	23.25	22.81	23.06
2008	NYSE	BKH	Thu, May 11, 2000	23.00	23.25	22.94	23.19
2007	NYSE	BKH	Wed, May 10, 2000	23.13	23.31	22.88	22.94
2006	NYSE	BKH	Tue, May 9, 2000	23.25	23.38	23.00	23.38
2005	NYSE	BKH	Mon, May 8, 2000	23.13	23.50	22.94	23.25
2004	NYSE	BKH	Fri, May 5, 2000	23.38	23.75	23.13	23.50
2003	NYSE	BKH	Thu, May 4, 2000	22.31	23.13	22.19	23.13
2002	NYSE	BKH	Wed, May 3, 2000	23.44	23.56	22.13	22.13
2001	NYSE	BKH	Tue, May 2, 2000	22.94	23.56	22.81	23.56
2000	NYSE	BKH	Mon, May 1, 2000	22.81	23.13	22.00	23.13
1999	NYSE	BKH	Fri, Apr 28, 2000	22.88	22.94	22.31	22.94
1998	NYSE	BKH	Thu, Apr 27, 2000	22.06	23.00	21.94	23.00
1997	NYSE	BKH	Wed, Apr 26, 2000	21.94	22.25	21.88	22.19
1996	NYSE	BKH	Tue, Apr 25, 2000	21.75	21.88	21.56	21.88
1995	NYSE	BKH	Mon, Apr 24, 2000	21.50	21.75	21.50	21.63
1994	NYSE	BKH	Thu, Apr 20, 2000	21.56	21.69	21.38	21.56
1993	NYSE	BKH	Wed, Apr 19, 2000	21.50	21.56	21.50	21.50
1992	NYSE	BKH	Tue, Apr 18, 2000	21.19	21.56	21.00	21.56
1991	NYSE	BKH	Mon, Apr 17, 2000	21.31	21.38	20.88	21.38
1990	NYSE	BKH	Fri, Apr 14, 2000	21.38	21.50	21.00	21.44
1989	NYSE	BKH	Thu, Apr 13, 2000	21.63	21.88	21.31	21.44
1988	NYSE	BKH	Wed, Apr 12, 2000	21.56	22.19	21.50	21.63
1987	NYSE	BKH	Tue, Apr 11, 2000	21.56	22.19	21.56	21.69
1986	NYSE	BKH	Mon, Apr 10, 2000	22.19	22.19	21.56	21.56
1985	NYSE	BKH	Fri, Apr 7, 2000	22.31	22.50	22.00	22.13
1984	NYSE	BKH	Thu, Apr 6, 2000	22.31	22.50	22.31	22.44
1983	NYSE	BKH	Wed, Apr 5, 2000	21.56	22.25	21.56	22.19
1982	NYSE	BKH	Tue, Apr 4, 2000	22.00	22.00	21.38	21.63
1981	NYSE	BKH	Mon, Apr 3, 2000	21.81	22.25	21.75	21.94
1980	NYSE	BKH	Fri, Mar 31, 2000	22.50	22.63	22.06	22.06
1979	NYSE	BKH	Thu, Mar 30, 2000	22.19	22.50	22.19	22.50
1978	NYSE	BKH	Wed, Mar 29, 2000	22.19	22.38	22.06	22.06
1977	NYSE	BKH	Tue, Mar 28, 2000	22.13	22.38	22.13	22.19
1976	NYSE	BKH	Mon, Mar 27, 2000	22.06	22.19	21.75	22.06
1975	NYSE	BKH	Fri, Mar 24, 2000	22.00	22.19	22.00	22.06
1974	NYSE	BKH	Thu, Mar 23, 2000	22.31	22.38	22.25	22.25
1973	NYSE	BKH	Wed, Mar 22, 2000	22.38	22.44	21.81	22.38
1972	NYSE	BKH	Tue, Mar 21, 2000	22.38	22.56	22.25	22.38
1971	NYSE	BKH	Mon, Mar 20, 2000	22.38	22.50	22.19	22.38
1970	NYSE	BKH	Fri, Mar 17, 2000	22.50	22.69	22.25	22.63
1969	NYSE	BKH	Thu, Mar 16, 2000	22.25	23.19	22.13	22.94
1968	NYSE	BKH	Wed, Mar 15, 2000	21.88	22.25	21.63	22.13
1967	NYSE	BKH	Tue, Mar 14, 2000	22.13	22.13	21.50	22.13
1966	NYSE	BKH	Mon, Mar 13, 2000	22.69	22.81	22.00	22.13
1965	NYSE	BKH	Fri, Mar 10, 2000	23.06	23.19	22.94	22.94
1964	NYSE	BKH	Thu, Mar 9, 2000	23.19	23.31	22.94	23.13
1963	NYSE	BKH	Wed, Mar 8, 2000	23.00	23.44	23.00	23.25
1962	NYSE	BKH	Tue, Mar 7, 2000	22.56	22.94	22.56	22.94
1961	NYSE	BKH	Mon, Mar 6, 2000	22.63	22.63	22.31	22.50
1960	NYSE	BKH	Fri, Mar 3, 2000	22.88	22.94	22.69	22.81
1959	NYSE	BKH	Thu, Mar 2, 2000	22.19	22.81	22.06	22.69
1958	NYSE	BKH	Wed, Mar 1, 2000	22.00	22.19	21.88	22.13
1957	NYSE	BKH	Tue, Feb 29, 2000	21.50	22.00	21.50	22.00
1956	NYSE	BKH	Mon, Feb 28, 2000	20.94	21.38	20.63	21.38
1955	NYSE	BKH	Fri, Feb 25, 2000	20.50	20.94	20.50	20.81
1954	NYSE	BKH	Thu, Feb 24, 2000	21.06	21.13	20.44	20.56
1953	NYSE	BKH	Wed, Feb 23, 2000	21.50	21.50	21.06	21.25
1952	NYSE	BKH	Tue, Feb 22, 2000	22.13	22.13	21.13	21.44
1951	NYSE	BKH	Fri, Feb 18, 2000	22.94	22.94	21.81	22.19
1950	NYSE	BKH	Thu, Feb 17, 2000	22.81	23.25	22.81	23.00
1949	NYSE	BKH	Wed, Feb 16, 2000	23.56	23.56	23.00	23.06
1948	NYSE	BKH	Tue, Feb 15, 2000	23.75	23.75	23.06	23.50
1947	NYSE	BKH	Mon, Feb 14, 2000	23.31	23.81	23.06	23.81
1946	NYSE	BKH	Fri, Feb 11, 2000	23.94	24.44	23.50	23.50
1945	NYSE	BKH	Thu, Feb 10, 2000	25.00	25.00	24.13	24.13
1944	NYSE	BKH	Wed, Feb 9, 2000	24.50	25.19	24.19	25.06
1943	NYSE	BKH	Tue, Feb 8, 2000	24.25	24.81	24.25	24.69
1942	NYSE	BKH	Mon, Feb 7, 2000	24.19	24.56	24.19	24.19
1941	NYSE	BKH	Fri, Feb 4, 2000	24.25	24.25	24.00	24.19
1940	NYSE	BKH	Thu, Feb 3, 2000	24.00	24.38	23.88	24.31
1939	NYSE	BKH	Wed, Feb 2, 2000	23.94	24.00	23.88	23.94
1938	NYSE	BKH	Tue, Feb 1, 2000	24.00	24.00	23.69	24.00
1937	NYSE	BKH	Mon, Jan 31, 2000	24.38	24.38	23.50	23.94
1936	NYSE	BKH	Fri, Jan 28, 2000	24.06	24.56	24.06	24.25
1935	NYSE	BKH	Thu, Jan 27, 2000	24.94	25.00	23.94	24.19
1934	NYSE	BKH	Wed, Jan 26, 2000	24.19	24.94	24.19	24.94
1933	NYSE	BKH	Tue, Jan 25, 2000	24.31	24.44	24.00	24.19
1932	NYSE	BKH	Mon, Jan 24, 2000	23.50	24.31	23.50	24.06
1931	NYSE	BKH	Fri, Jan 21, 2000	22.69	23.50	22.69	23.31
1930	NYSE	BKH	Thu, Jan 20, 2000	22.38	22.44	21.69	22.44
1929	NYSE	BKH	Wed, Jan 19, 2000	21.13	22.25	21.13	22.25
1928	NYSE	BKH	Tue, Jan 18, 2000	21.56	21.94	21.50	21.88
1927	NYSE	BKH	Fri, Jan 14, 2000	22.19	22.50	21.88	22.06
1926	NYSE	BKH	Thu, Jan 13, 2000	21.75	22.31	21.63	22.31
1925	NYSE	BKH	Wed, Jan 12, 2000	22.50	22.50	21.75	21.88
1924	NYSE	BKH	Tue, Jan 11, 2000	22.81	22.88	22.50	22.50
1923	NYSE	BKH	Mon, Jan 10, 2000	22.94	23.00	22.56	22.81
1922	NYSE	BKH	Fri, Jan 7, 2000	22.56	22.88	22.06	22.81
1921	NYSE	BKH	Thu, Jan 6, 2000	22.50	22.63	22.06	22.63
1920	NYSE	BKH	Wed, Jan 5, 2000	21.75	22.63	21.56	22.44
1919	NYSE	BKH	Tue, Jan 4, 2000	21.88	21.88	21.50	21.69
1918	NYSE	BKH	Mon, Jan 3, 2000	22.44	22.44	21.69	21.88
1917	NYSE	BKH	Fri, Dec 31, 1999	21.75	22.38	21.56	22.19
1916	NYSE	BKH	Thu, Dec 30, 1999	22.38	22.63	22.00	22.25
1915	NYSE	BKH	Wed, Dec 29, 1999	22.19	22.63	22.00	22.50
1914	NYSE	BKH	Tue, Dec 28, 1999	21.75	22.63	21.75	22.31
1913	NYSE	BKH	Mon, Dec 27, 1999	22.00	22.31	21.75	21.88
1912	NYSE	BKH	Thu, Dec 23, 1999	22.00	22.13	21.94	22.06
1911	NYSE	BKH	Wed, Dec 22, 1999	22.25	22.31	21.81	21.94
1910	NYSE	BKH	Tue, Dec 21, 1999	21.75	22.13	21.63	22.13
1909	NYSE	BKH	Mon, Dec 20, 1999	22.00	22.19	21.63	21.75
1908	NYSE	BKH	Fri, Dec 17, 1999	22.06	22.50	21.94	22.00
1907	NYSE	BKH	Thu, Dec 16, 1999	22.13	22.50	22.13	22.31
1906	NYSE	BKH	Wed, Dec 15, 1999	22.44	22.44	22.19	22.38
1905	NYSE	BKH	Tue, Dec 14, 1999	22.25	22.50	22.19	22.50
1904	NYSE	BKH	Mon, Dec 13, 1999	22.00	22.25	22.00	22.25
1903	NYSE	BKH	Fri, Dec 10, 1999	21.63	22.25	21.63	22.13
1902	NYSE	BKH	Thu, Dec 9, 1999	22.06	22.13	21.50	21.75
1901	NYSE	BKH	Wed, Dec 8, 1999	22.31	22.50	22.06	22.31
1900	NYSE	BKH	Tue, Dec 7, 1999	22.75	22.75	22.06	22.44
1899	NYSE	BKH	Mon, Dec 6, 1999	22.50	22.81	22.44	22.69
1898	NYSE	BKH	Fri, Dec 3, 1999	22.81	22.94	22.63	22.63
1897	NYSE	BKH	Thu, Dec 2, 1999	23.00	23.00	22.75	22.88
1896	NYSE	BKH	Wed, Dec 1, 1999	21.88	22.94	21.88	22.94
1895	NYSE	BKH	Tue, Nov 30, 1999	21.31	21.88	21.31	21.88
1894	NYSE	BKH	Mon, Nov 29, 1999	21.13	21.38	21.00	21.25
1893	NYSE	BKH	Fri, Nov 26, 1999	21.25	21.31	21.13	21.19
1892	NYSE	BKH	Wed, Nov 24, 1999	21.25	21.25	21.06	21.13
1891	NYSE	BKH	Tue, Nov 23, 1999	21.25	21.31	20.94	21.25
1890	NYSE	BKH	Mon, Nov 22, 1999	21.25	21.38	21.13	21.19
1889	NYSE	BKH	Fri, Nov 19, 1999	21.00	21.63	21.00	21.38
1888	NYSE	BKH	Thu, Nov 18, 1999	21.25	21.50	20.75	21.50
1887	NYSE	BKH	Wed, Nov 17, 1999	20.56	21.31	20.31	21.19
1886	NYSE	BKH	Tue, Nov 16, 1999	20.63	21.19	20.50	20.50
1885	NYSE	BKH	Mon, Nov 15, 1999	21.25	21.44	20.88	20.88
1884	NYSE	BKH	Fri, Nov 12, 1999	20.81	21.19	20.81	21.00
1883	NYSE	BKH	Thu, Nov 11, 1999	21.06	21.13	20.75	20.88
1882	NYSE	BKH	Wed, Nov 10, 1999	21.69	21.69	21.19	21.25
1881	NYSE	BKH	Tue, Nov 9, 1999	21.69	21.81	21.56	21.69
1880	NYSE	BKH	Mon, Nov 8, 1999	22.06	22.06	21.69	21.75
1879	NYSE	BKH	Fri, Nov 5, 1999	22.25	22.50	21.69	21.94
1878	NYSE	BKH	Thu, Nov 4, 1999	22.94	22.94	22.38	22.38
1877	NYSE	BKH	Wed, Nov 3, 1999	23.00	23.00	22.69	22.81
1876	NYSE	BKH	Tue, Nov 2, 1999	23.06	23.25	22.88	22.88
1875	NYSE	BKH	Mon, Nov 1, 1999	22.38	23.06	22.38	23.06
1874	NYSE	BKH	Fri, Oct 29, 1999	22.88	22.88	22.50	22.50
1873	NYSE	BKH	Thu, Oct 28, 1999	22.69	23.06	22.69	22.88
1872	NYSE	BKH	Wed, Oct 27, 1999	22.50	23.13	22.50	22.88
1871	NYSE	BKH	Tue, Oct 26, 1999	22.50	23.00	22.44	22.63
1870	NYSE	BKH	Mon, Oct 25, 1999	22.44	22.75	22.44	22.69
1869	NYSE	BKH	Fri, Oct 22, 1999	22.50	22.69	22.38	22.38
1868	NYSE	BKH	Thu, Oct 21, 1999	22.63	22.63	22.44	22.50
1867	NYSE	BKH	Wed, Oct 20, 1999	22.63	22.81	22.56	22.81
1866	NYSE	BKH	Tue, Oct 19, 1999	22.44	22.56	22.38	22.50
1865	NYSE	BKH	Mon, Oct 18, 1999	22.56	22.63	22.38	22.44
1864	NYSE	BKH	Fri, Oct 15, 1999	22.56	22.69	22.25	22.63
1863	NYSE	BKH	Thu, Oct 14, 1999	22.38	22.50	22.25	22.31
1862	NYSE	BKH	Wed, Oct 13, 1999	22.25	22.44	22.25	22.38
1861	NYSE	BKH	Tue, Oct 12, 1999	21.94	22.34	21.69	22.31
1860	NYSE	BKH	Mon, Oct 11, 1999	22.19	22.31	21.94	22.19
1859	NYSE	BKH	Fri, Oct 8, 1999	22.44	22.63	22.13	22.13
1858	NYSE	BKH	Thu, Oct 7, 1999	22.13	22.56	22.13	22.56
1857	NYSE	BKH	Wed, Oct 6, 1999	23.00	23.19	22.00	22.06
1856	NYSE	BKH	Tue, Oct 5, 1999	22.63	22.81	22.56	22.81
1855	NYSE	BKH	Mon, Oct 4, 1999	22.88	23.00	22.88	22.88
1854	NYSE	BKH	Fri, Oct 1, 1999	23.31	23.31	22.56	22.94
1853	NYSE	BKH	Thu, Sep 30, 1999	22.56	23.38	22.56	23.31
1852	NYSE	BKH	Wed, Sep 29, 1999	22.56	22.94	22.56	22.81
1851	NYSE	BKH	Tue, Sep 28, 1999	22.31	22.88	22.31	22.56
1850	NYSE	BKH	Mon, Sep 27, 1999	22.81	23.00	22.19	22.44
1849	NYSE	BKH	Fri, Sep 24, 1999	22.94	22.94	22.31	22.56
1848	NYSE	BKH	Thu, Sep 23, 1999	23.06	23.19	22.81	22.88
1847	NYSE	BKH	Wed, Sep 22, 1999	22.44	23.13	22.31	23.06
1846	NYSE	BKH	Tue, Sep 21, 1999	23.19	23.19	22.31	22.31
1845	NYSE	BKH	Mon, Sep 20, 1999	23.38	23.44	22.81	23.13
1844	NYSE	BKH	Fri, Sep 17, 1999	23.31	23.44	23.00	23.38
1843	NYSE	BKH	Thu, Sep 16, 1999	23.81	24.06	23.50	23.69
1842	NYSE	BKH	Wed, Sep 15, 1999	24.31	24.63	24.25	24.31
1841	NYSE	BKH	Tue, Sep 14, 1999	24.50	24.56	24.13	24.25
1840	NYSE	BKH	Mon, Sep 13, 1999	24.63	24.75	24.56	24.56
1839	NYSE	BKH	Fri, Sep 10, 1999	24.63	24.81	24.50	24.75
1838	NYSE	BKH	Thu, Sep 9, 1999	24.19	24.69	24.06	24.56
1837	NYSE	BKH	Wed, Sep 8, 1999	24.44	24.50	24.19	24.19
1836	NYSE	BKH	Tue, Sep 7, 1999	25.00	25.06	24.69	24.81
1835	NYSE	BKH	Fri, Sep 3, 1999	24.69	25.19	24.69	25.06
1834	NYSE	BKH	Thu, Sep 2, 1999	25.13	25.13	24.38	24.44
1833	NYSE	BKH	Wed, Sep 1, 1999	24.75	25.13	24.75	25.06
1832	NYSE	BKH	Tue, Aug 31, 1999	25.00	25.25	24.38	24.75
1831	NYSE	BKH	Mon, Aug 30, 1999	25.25	25.25	24.25	24.88
1830	NYSE	BKH	Fri, Aug 27, 1999	25.06	25.13	24.81	25.06
1829	NYSE	BKH	Thu, Aug 26, 1999	25.06	25.19	25.00	25.00
1828	NYSE	BKH	Wed, Aug 25, 1999	25.25	25.38	24.94	25.06
1827	NYSE	BKH	Tue, Aug 24, 1999	25.25	25.44	25.19	25.25
1826	NYSE	BKH	Mon, Aug 23, 1999	24.94	25.56	24.94	25.25
1825	NYSE	BKH	Fri, Aug 20, 1999	24.69	25.00	24.63	24.94
1824	NYSE	BKH	Thu, Aug 19, 1999	25.00	25.00	24.63	24.81
1823	NYSE	BKH	Wed, Aug 18, 1999	25.13	25.19	25.00	25.13
1822	NYSE	BKH	Tue, Aug 17, 1999	25.13	25.19	25.00	25.19
1821	NYSE	BKH	Mon, Aug 16, 1999	24.81	25.19	24.75	25.06
1820	NYSE	BKH	Fri, Aug 13, 1999	24.81	24.94	24.75	24.94
1819	NYSE	BKH	Thu, Aug 12, 1999	25.00	25.00	24.63	24.69
1818	NYSE	BKH	Wed, Aug 11, 1999	24.13	25.13	24.00	25.13
1817	NYSE	BKH	Tue, Aug 10, 1999	24.31	24.44	23.50	24.31
1816	NYSE	BKH	Mon, Aug 9, 1999	24.75	24.75	24.31	24.44
1815	NYSE	BKH	Fri, Aug 6, 1999	24.94	24.94	24.63	24.69
1814	NYSE	BKH	Thu, Aug 5, 1999	25.25	25.25	24.88	24.94
1813	NYSE	BKH	Wed, Aug 4, 1999	25.50	25.63	25.31	25.31
1812	NYSE	BKH	Tue, Aug 3, 1999	25.31	25.56	25.19	25.56
1811	NYSE	BKH	Mon, Aug 2, 1999	25.13	25.19	25.00	25.19
1810	NYSE	BKH	Fri, Jul 30, 1999	25.25	25.38	25.06	25.13
1809	NYSE	BKH	Thu, Jul 29, 1999	25.13	25.38	25.13	25.38
1808	NYSE	BKH	Wed, Jul 28, 1999	25.25	25.25	25.06	25.19
1807	NYSE	BKH	Tue, Jul 27, 1999	24.50	25.25	24.38	25.25
1806	NYSE	BKH	Mon, Jul 26, 1999	24.25	24.38	24.25	24.38
1805	NYSE	BKH	Fri, Jul 23, 1999	24.44	24.63	24.31	24.38
1804	NYSE	BKH	Thu, Jul 22, 1999	24.38	24.63	24.19	24.44
1803	NYSE	BKH	Wed, Jul 21, 1999	24.19	24.38	24.06	24.38
1802	NYSE	BKH	Tue, Jul 20, 1999	23.75	24.25	23.75	24.06
1801	NYSE	BKH	Mon, Jul 19, 1999	24.13	24.13	23.75	23.81
1800	NYSE	BKH	Fri, Jul 16, 1999	24.56	24.56	24.00	24.13
1799	NYSE	BKH	Thu, Jul 15, 1999	23.94	24.69	23.88	24.50
1798	NYSE	BKH	Wed, Jul 14, 1999	23.69	23.81	23.69	23.81
1797	NYSE	BKH	Tue, Jul 13, 1999	23.50	23.75	23.38	23.75
1796	NYSE	BKH	Mon, Jul 12, 1999	23.31	23.63	23.25	23.50
1795	NYSE	BKH	Fri, Jul 9, 1999	23.06	23.31	23.06	23.31
1794	NYSE	BKH	Thu, Jul 8, 1999	23.06	23.19	22.56	23.13
1793	NYSE	BKH	Wed, Jul 7, 1999	23.19	23.19	22.94	23.00
1792	NYSE	BKH	Tue, Jul 6, 1999	23.25	23.31	22.94	23.00
1791	NYSE	BKH	Fri, Jul 2, 1999	23.13	23.44	23.00	23.13
1790	NYSE	BKH	Thu, Jul 1, 1999	23.06	23.19	22.94	23.13
1789	NYSE	BKH	Wed, Jun 30, 1999	23.00	23.25	23.00	23.13
1788	NYSE	BKH	Tue, Jun 29, 1999	23.19	23.38	23.00	23.06
1787	NYSE	BKH	Mon, Jun 28, 1999	23.38	23.38	23.19	23.25
1786	NYSE	BKH	Fri, Jun 25, 1999	23.31	23.38	23.19	23.25
1785	NYSE	BKH	Thu, Jun 24, 1999	23.50	23.53	23.06	23.38
1784	NYSE	BKH	Wed, Jun 23, 1999	23.44	23.44	23.00	23.25
1783	NYSE	BKH	Tue, Jun 22, 1999	22.88	23.44	22.88	23.38
1782	NYSE	BKH	Mon, Jun 21, 1999	22.63	22.94	22.56	22.94
1781	NYSE	BKH	Fri, Jun 18, 1999	22.56	22.81	22.44	22.75
1780	NYSE	BKH	Thu, Jun 17, 1999	22.69	22.94	22.44	22.69
1779	NYSE	BKH	Wed, Jun 16, 1999	22.38	22.75	22.31	22.50
1778	NYSE	BKH	Tue, Jun 15, 1999	22.06	22.50	22.06	22.25
1777	NYSE	BKH	Mon, Jun 14, 1999	22.00	22.06	21.75	22.00
1776	NYSE	BKH	Fri, Jun 11, 1999	22.38	22.50	22.00	22.00
1775	NYSE	BKH	Thu, Jun 10, 1999	22.63	22.63	22.06	22.31
1774	NYSE	BKH	Wed, Jun 9, 1999	22.31	22.56	22.25	22.56
1773	NYSE	BKH	Tue, Jun 8, 1999	22.50	22.50	22.31	22.50
1772	NYSE	BKH	Mon, Jun 7, 1999	22.63	22.63	22.25	22.50
1771	NYSE	BKH	Fri, Jun 4, 1999	22.69	22.75	22.56	22.63
1770	NYSE	BKH	Thu, Jun 3, 1999	23.00	23.00	22.69	22.75
1769	NYSE	BKH	Wed, Jun 2, 1999	23.00	23.00	22.75	22.88
1768	NYSE	BKH	Tue, Jun 1, 1999	23.00	23.00	22.69	22.94
1767	NYSE	BKH	Fri, May 28, 1999	22.94	23.13	22.88	23.00
1766	NYSE	BKH	Thu, May 27, 1999	22.63	22.94	22.44	22.94
1765	NYSE	BKH	Wed, May 26, 1999	22.50	22.63	22.31	22.63
1764	NYSE	BKH	Tue, May 25, 1999	23.06	23.13	22.44	22.44
1763	NYSE	BKH	Mon, May 24, 1999	23.06	23.13	22.81	22.88
1762	NYSE	BKH	Fri, May 21, 1999	23.00	23.13	22.81	23.00
1761	NYSE	BKH	Thu, May 20, 1999	23.13	23.50	23.00	23.13
1760	NYSE	BKH	Wed, May 19, 1999	22.31	23.44	22.31	23.38
1759	NYSE	BKH	Tue, May 18, 1999	22.50	22.81	22.25	22.56
1758	NYSE	BKH	Mon, May 17, 1999	22.56	22.63	22.06	22.50
1757	NYSE	BKH	Fri, May 14, 1999	23.06	23.06	22.63	22.63
1756	NYSE	BKH	Thu, May 13, 1999	23.44	23.44	22.88	23.00
1755	NYSE	BKH	Wed, May 12, 1999	23.25	23.25	22.75	22.94
1754	NYSE	BKH	Tue, May 11, 1999	22.50	23.31	22.44	23.31
1753	NYSE	BKH	Mon, May 10, 1999	22.50	22.56	22.13	22.38
1752	NYSE	BKH	Fri, May 7, 1999	22.50	22.50	22.25	22.31
1751	NYSE	BKH	Thu, May 6, 1999	22.63	22.63	22.13	22.38
1750	NYSE	BKH	Wed, May 5, 1999	22.38	22.75	22.06	22.50
1749	NYSE	BKH	Tue, May 4, 1999	22.25	22.94	22.13	22.44
1748	NYSE	BKH	Mon, May 3, 1999	22.63	22.81	22.06	22.25
1747	NYSE	BKH	Fri, Apr 30, 1999	23.00	23.00	22.50	22.63
1746	NYSE	BKH	Thu, Apr 29, 1999	22.69	22.94	22.50	22.94
1745	NYSE	BKH	Wed, Apr 28, 1999	22.38	22.63	22.25	22.56
1744	NYSE	BKH	Tue, Apr 27, 1999	22.81	23.00	22.31	22.31
1743	NYSE	BKH	Mon, Apr 26, 1999	22.94	23.00	22.69	22.75
1742	NYSE	BKH	Fri, Apr 23, 1999	22.94	23.13	22.69	23.00
1741	NYSE	BKH	Thu, Apr 22, 1999	23.25	23.38	22.56	22.94
1740	NYSE	BKH	Wed, Apr 21, 1999	23.50	23.50	22.63	23.06
1739	NYSE	BKH	Tue, Apr 20, 1999	22.81	23.19	22.75	23.06
1738	NYSE	BKH	Mon, Apr 19, 1999	22.63	23.88	22.63	22.94
1737	NYSE	BKH	Fri, Apr 16, 1999	22.44	23.06	22.44	22.50
1736	NYSE	BKH	Thu, Apr 15, 1999	22.75	22.81	21.94	22.25
1735	NYSE	BKH	Wed, Apr 14, 1999	22.50	23.19	22.25	22.56
1734	NYSE	BKH	Tue, Apr 13, 1999	22.44	23.13	22.44	22.50
1733	NYSE	BKH	Mon, Apr 12, 1999	21.56	22.75	21.56	22.38
1732	NYSE	BKH	Fri, Apr 9, 1999	21.56	21.94	21.38	21.81
1731	NYSE	BKH	Thu, Apr 8, 1999	21.19	21.94	21.00	21.63
1730	NYSE	BKH	Wed, Apr 7, 1999	21.38	21.63	21.00	21.06
1729	NYSE	BKH	Tue, Apr 6, 1999	21.38	21.63	21.06	21.50
1728	NYSE	BKH	Mon, Apr 5, 1999	21.38	21.69	21.13	21.56
1727	NYSE	BKH	Thu, Apr 1, 1999	21.25	21.38	21.13	21.25
1726	NYSE	BKH	Wed, Mar 31, 1999	21.63	21.63	21.25	21.31
1725	NYSE	BKH	Tue, Mar 30, 1999	21.31	21.69	21.31	21.44
1724	NYSE	BKH	Mon, Mar 29, 1999	21.19	21.81	21.19	21.50
1723	NYSE	BKH	Fri, Mar 26, 1999	21.69	21.69	21.00	21.19
1722	NYSE	BKH	Thu, Mar 25, 1999	21.75	22.00	21.38	21.75
1721	NYSE	BKH	Wed, Mar 24, 1999	21.44	21.94	21.25	21.63
1720	NYSE	BKH	Tue, Mar 23, 1999	21.44	21.44	21.19	21.19
1719	NYSE	BKH	Mon, Mar 22, 1999	21.44	21.63	21.19	21.38
1718	NYSE	BKH	Fri, Mar 19, 1999	21.00	21.81	21.00	21.63
1717	NYSE	BKH	Thu, Mar 18, 1999	21.88	22.00	21.56	21.75
1716	NYSE	BKH	Wed, Mar 17, 1999	21.50	21.69	21.31	21.69
1715	NYSE	BKH	Tue, Mar 16, 1999	22.06	22.13	21.50	21.63
1714	NYSE	BKH	Mon, Mar 15, 1999	21.75	22.19	21.75	22.06
1713	NYSE	BKH	Fri, Mar 12, 1999	22.13	22.25	21.44	21.81
1712	NYSE	BKH	Thu, Mar 11, 1999	21.88	22.19	21.69	22.13
1711	NYSE	BKH	Wed, Mar 10, 1999	21.13	21.81	21.00	21.81
1710	NYSE	BKH	Tue, Mar 9, 1999	22.06	22.50	21.75	22.25
1709	NYSE	BKH	Mon, Mar 8, 1999	22.69	22.69	22.44	22.50
1708	NYSE	BKH	Fri, Mar 5, 1999	22.88	23.38	22.75	22.81
1707	NYSE	BKH	Thu, Mar 4, 1999	22.44	22.75	22.44	22.75
1706	NYSE	BKH	Wed, Mar 3, 1999	22.31	22.88	22.19	22.38
1705	NYSE	BKH	Tue, Mar 2, 1999	22.69	23.06	22.25	22.63
1704	NYSE	BKH	Mon, Mar 1, 1999	22.44	22.63	22.13	22.44
1703	NYSE	BKH	Fri, Feb 26, 1999	22.31	22.81	22.31	22.50
1702	NYSE	BKH	Thu, Feb 25, 1999	22.25	22.38	22.00	22.31
1701	NYSE	BKH	Wed, Feb 24, 1999	22.38	22.50	22.25	22.25
1700	NYSE	BKH	Tue, Feb 23, 1999	23.06	23.06	22.13	22.31
1699	NYSE	BKH	Mon, Feb 22, 1999	23.13	23.31	22.81	23.00
1698	NYSE	BKH	Fri, Feb 19, 1999	22.63	23.38	22.56	23.25
1697	NYSE	BKH	Thu, Feb 18, 1999	22.38	22.63	22.13	22.56
1696	NYSE	BKH	Wed, Feb 17, 1999	23.00	23.25	22.31	22.38
1695	NYSE	BKH	Tue, Feb 16, 1999	23.44	23.69	23.25	23.25
1694	NYSE	BKH	Fri, Feb 12, 1999	23.69	23.81	23.44	23.44
1693	NYSE	BKH	Thu, Feb 11, 1999	23.69	23.88	23.63	23.69
1692	NYSE	BKH	Wed, Feb 10, 1999	23.56	23.56	23.31	23.50
1691	NYSE	BKH	Tue, Feb 9, 1999	23.81	23.94	23.81	23.88
1690	NYSE	BKH	Mon, Feb 8, 1999	23.38	23.88	23.38	23.81
1689	NYSE	BKH	Fri, Feb 5, 1999	23.75	23.88	23.38	23.38
1688	NYSE	BKH	Thu, Feb 4, 1999	23.50	24.19	23.38	23.63
1687	NYSE	BKH	Wed, Feb 3, 1999	24.63	24.63	23.25	23.44
1686	NYSE	BKH	Tue, Feb 2, 1999	24.56	24.56	24.00	24.50
1685	NYSE	BKH	Mon, Feb 1, 1999	24.69	25.38	24.69	24.81
1684	NYSE	BKH	Fri, Jan 29, 1999	24.69	24.88	24.63	24.81
1683	NYSE	BKH	Thu, Jan 28, 1999	24.38	25.63	24.38	24.75
1682	NYSE	BKH	Wed, Jan 27, 1999	24.75	24.75	24.31	24.38
1681	NYSE	BKH	Tue, Jan 26, 1999	24.25	24.81	24.25	24.81
1680	NYSE	BKH	Mon, Jan 25, 1999	24.69	24.75	24.06	24.25
1679	NYSE	BKH	Fri, Jan 22, 1999	24.56	24.88	24.50	24.69
1678	NYSE	BKH	Thu, Jan 21, 1999	24.88	25.06	24.75	24.75
1677	NYSE	BKH	Wed, Jan 20, 1999	25.13	25.50	25.00	25.06
1676	NYSE	BKH	Tue, Jan 19, 1999	24.75	25.25	24.75	25.19
1675	NYSE	BKH	Fri, Jan 15, 1999	24.38	24.88	24.38	24.69
1674	NYSE	BKH	Thu, Jan 14, 1999	24.81	24.81	24.44	24.63
1673	NYSE	BKH	Wed, Jan 13, 1999	24.13	24.75	24.06	24.63
1672	NYSE	BKH	Tue, Jan 12, 1999	24.50	24.50	24.00	24.25
1671	NYSE	BKH	Mon, Jan 11, 1999	25.19	25.31	24.56	24.56
1670	NYSE	BKH	Fri, Jan 8, 1999	24.88	25.44	24.75	25.44
1669	NYSE	BKH	Thu, Jan 7, 1999	25.06	25.13	24.88	24.94
1668	NYSE	BKH	Wed, Jan 6, 1999	25.56	25.88	25.13	25.31
1667	NYSE	BKH	Tue, Jan 5, 1999	25.94	26.25	25.31	25.56
1666	NYSE	BKH	Mon, Jan 4, 1999	26.31	26.50	25.94	26.00
1665	NYSE	BKH	Thu, Dec 31, 1998	26.13	26.38	26.13	26.38
1664	NYSE	BKH	Wed, Dec 30, 1998	26.38	26.38	26.06	26.13
1663	NYSE	BKH	Tue, Dec 29, 1998	25.88	26.38	25.56	26.38
1662	NYSE	BKH	Mon, Dec 28, 1998	25.50	25.81	25.50	25.75
1661	NYSE	BKH	Thu, Dec 24, 1998	25.56	25.56	25.38	25.38
1660	NYSE	BKH	Wed, Dec 23, 1998	25.63	25.69	25.13	25.56
1659	NYSE	BKH	Tue, Dec 22, 1998	25.75	25.75	25.38	25.50
1658	NYSE	BKH	Mon, Dec 21, 1998	25.69	25.75	25.69	25.75
1657	NYSE	BKH	Fri, Dec 18, 1998	26.13	26.13	25.69	25.69
1656	NYSE	BKH	Thu, Dec 17, 1998	26.13	27.38	26.13	27.38
1655	NYSE	BKH	Wed, Dec 16, 1998	25.38	26.00	25.31	26.00
1654	NYSE	BKH	Tue, Dec 15, 1998	25.25	25.38	25.06	25.19
1653	NYSE	BKH	Mon, Dec 14, 1998	24.81	25.19	24.56	25.13
1652	NYSE	BKH	Fri, Dec 11, 1998	24.50	25.00	24.50	24.94
1651	NYSE	BKH	Thu, Dec 10, 1998	25.13	25.13	24.69	24.69
1650	NYSE	BKH	Wed, Dec 9, 1998	25.13	25.13	24.69	25.00
1649	NYSE	BKH	Tue, Dec 8, 1998	24.88	25.06	24.81	25.00
1648	NYSE	BKH	Mon, Dec 7, 1998	25.00	25.38	24.88	25.00
1647	NYSE	BKH	Fri, Dec 4, 1998	25.25	25.25	25.00	25.13
1646	NYSE	BKH	Thu, Dec 3, 1998	25.13	25.25	25.00	25.25
1645	NYSE	BKH	Wed, Dec 2, 1998	25.44	25.50	25.19	25.19
1644	NYSE	BKH	Tue, Dec 1, 1998	24.50	25.25	24.50	25.25
1643	NYSE	BKH	Mon, Nov 30, 1998	25.63	25.63	24.50	24.75
1642	NYSE	BKH	Fri, Nov 27, 1998	25.63	25.63	25.63	25.63
1641	NYSE	BKH	Wed, Nov 25, 1998	25.63	25.75	25.50	25.75
1640	NYSE	BKH	Tue, Nov 24, 1998	25.38	25.69	25.38	25.50
1639	NYSE	BKH	Mon, Nov 23, 1998	25.63	25.81	25.50	25.50
1638	NYSE	BKH	Fri, Nov 20, 1998	25.88	25.94	25.50	25.75
1637	NYSE	BKH	Thu, Nov 19, 1998	26.00	26.00	25.63	25.94
1636	NYSE	BKH	Wed, Nov 18, 1998	25.88	26.00	25.50	26.00
1635	NYSE	BKH	Tue, Nov 17, 1998	25.81	25.94	25.63	25.75
1634	NYSE	BKH	Mon, Nov 16, 1998	26.00	26.00	25.81	26.00
1633	NYSE	BKH	Fri, Nov 13, 1998	25.81	25.94	25.75	25.75
1632	NYSE	BKH	Thu, Nov 12, 1998	26.00	26.00	25.63	25.94
1631	NYSE	BKH	Wed, Nov 11, 1998	25.88	26.06	25.63	25.88
1630	NYSE	BKH	Tue, Nov 10, 1998	26.25	26.25	25.75	25.75
1629	NYSE	BKH	Mon, Nov 9, 1998	26.38	26.50	26.13	26.38
1628	NYSE	BKH	Fri, Nov 6, 1998	27.31	27.31	26.25	26.31
1627	NYSE	BKH	Thu, Nov 5, 1998	27.13	27.94	27.13	27.25
1626	NYSE	BKH	Wed, Nov 4, 1998	26.88	27.44	26.88	27.06
1625	NYSE	BKH	Tue, Nov 3, 1998	26.38	26.88	26.31	26.63
1624	NYSE	BKH	Mon, Nov 2, 1998	26.00	26.75	26.00	26.25
1623	NYSE	BKH	Fri, Oct 30, 1998	25.63	26.25	25.56	25.63
1622	NYSE	BKH	Thu, Oct 29, 1998	25.31	25.50	25.31	25.50
1621	NYSE	BKH	Wed, Oct 28, 1998	25.50	25.50	25.06	25.25
1620	NYSE	BKH	Tue, Oct 27, 1998	25.81	25.81	25.19	25.38
1619	NYSE	BKH	Mon, Oct 26, 1998	26.00	26.56	25.75	25.75
1618	NYSE	BKH	Fri, Oct 23, 1998	25.94	26.13	25.94	26.06
1617	NYSE	BKH	Thu, Oct 22, 1998	26.06	26.19	25.75	25.88
1616	NYSE	BKH	Wed, Oct 21, 1998	25.50	26.25	25.25	25.94
1615	NYSE	BKH	Tue, Oct 20, 1998	25.06	25.88	25.00	25.06
1614	NYSE	BKH	Mon, Oct 19, 1998	24.75	25.31	24.69	25.13
1613	NYSE	BKH	Fri, Oct 16, 1998	24.38	25.06	24.38	24.56
1612	NYSE	BKH	Thu, Oct 15, 1998	24.75	24.94	24.13	24.25
1611	NYSE	BKH	Wed, Oct 14, 1998	24.88	25.06	24.75	24.88
1610	NYSE	BKH	Tue, Oct 13, 1998	25.81	26.00	24.75	24.81
1609	NYSE	BKH	Mon, Oct 12, 1998	25.94	26.06	25.63	25.63
1608	NYSE	BKH	Fri, Oct 9, 1998	26.00	26.44	25.38	25.81
1607	NYSE	BKH	Thu, Oct 8, 1998	25.88	25.88	24.75	25.88
1606	NYSE	BKH	Wed, Oct 7, 1998	25.94	26.06	25.31	26.06
1605	NYSE	BKH	Tue, Oct 6, 1998	26.00	26.25	25.00	25.75
1604	NYSE	BKH	Mon, Oct 5, 1998	25.88	26.50	25.63	25.88
1603	NYSE	BKH	Fri, Oct 2, 1998	25.69	26.19	25.56	25.88
1602	NYSE	BKH	Thu, Oct 1, 1998	26.88	26.88	25.44	25.63
1601	NYSE	BKH	Wed, Sep 30, 1998	24.81	26.88	24.69	26.88
1600	NYSE	BKH	Tue, Sep 29, 1998	25.06	25.19	24.75	24.81
1599	NYSE	BKH	Mon, Sep 28, 1998	24.75	25.00	24.56	25.00
1598	NYSE	BKH	Fri, Sep 25, 1998	24.13	24.63	23.63	24.63
1597	NYSE	BKH	Thu, Sep 24, 1998	25.25	25.38	24.13	24.31
1596	NYSE	BKH	Wed, Sep 23, 1998	24.88	25.81	24.88	25.31
1595	NYSE	BKH	Tue, Sep 22, 1998	24.50	26.00	24.50	25.00
1594	NYSE	BKH	Mon, Sep 21, 1998	23.94	24.44	23.50	24.31
1593	NYSE	BKH	Fri, Sep 18, 1998	23.75	24.00	23.25	23.94
1592	NYSE	BKH	Thu, Sep 17, 1998	23.81	23.88	23.38	23.50
1591	NYSE	BKH	Wed, Sep 16, 1998	24.06	24.25	23.88	24.25
1590	NYSE	BKH	Tue, Sep 15, 1998	23.63	24.00	23.38	24.00
1589	NYSE	BKH	Mon, Sep 14, 1998	24.25	24.56	23.88	23.88
1588	NYSE	BKH	Fri, Sep 11, 1998	22.88	23.94	22.88	23.94
1587	NYSE	BKH	Thu, Sep 10, 1998	23.13	23.13	22.31	22.81
1586	NYSE	BKH	Wed, Sep 9, 1998	24.69	24.69	23.13	23.25
1585	NYSE	BKH	Tue, Sep 8, 1998	23.81	24.81	23.81	24.81
1584	NYSE	BKH	Fri, Sep 4, 1998	23.50	24.00	23.25	23.56
1583	NYSE	BKH	Thu, Sep 3, 1998	24.38	24.50	23.25	23.56
1582	NYSE	BKH	Wed, Sep 2, 1998	25.81	26.00	24.50	24.56
1581	NYSE	BKH	Tue, Sep 1, 1998	23.25	25.63	23.13	25.56
1580	NYSE	BKH	Mon, Aug 31, 1998	23.88	23.88	23.25	23.25
1579	NYSE	BKH	Fri, Aug 28, 1998	23.44	23.88	23.44	23.81
1578	NYSE	BKH	Thu, Aug 27, 1998	23.31	23.31	22.88	23.19
1577	NYSE	BKH	Wed, Aug 26, 1998	23.25	23.25	23.00	23.19
1576	NYSE	BKH	Tue, Aug 25, 1998	24.38	24.44	23.13	23.25
1575	NYSE	BKH	Mon, Aug 24, 1998	24.06	24.59	23.88	24.38
1574	NYSE	BKH	Fri, Aug 21, 1998	23.56	24.25	23.31	24.25
1573	NYSE	BKH	Thu, Aug 20, 1998	23.69	23.69	23.50	23.50
1572	NYSE	BKH	Wed, Aug 19, 1998	24.31	24.31	23.38	23.63
1571	NYSE	BKH	Tue, Aug 18, 1998	24.31	25.00	24.31	24.56
1570	NYSE	BKH	Mon, Aug 17, 1998	23.69	24.50	23.56	24.50
1569	NYSE	BKH	Fri, Aug 14, 1998	24.88	24.88	23.63	23.63
1568	NYSE	BKH	Thu, Aug 13, 1998	23.50	25.00	23.13	24.88
1567	NYSE	BKH	Wed, Aug 12, 1998	22.88	23.81	22.88	23.50
1566	NYSE	BKH	Tue, Aug 11, 1998	23.88	23.88	22.94	23.00
1565	NYSE	BKH	Mon, Aug 10, 1998	24.31	24.31	23.94	24.00
1564	NYSE	BKH	Fri, Aug 7, 1998	23.44	24.50	23.44	24.44
1563	NYSE	BKH	Thu, Aug 6, 1998	22.63	23.44	22.50	23.44
1562	NYSE	BKH	Wed, Aug 5, 1998	23.06	23.19	22.63	22.75
1561	NYSE	BKH	Tue, Aug 4, 1998	23.38	23.44	23.19	23.19
1560	NYSE	BKH	Mon, Aug 3, 1998	23.81	23.81	23.38	23.38
1559	NYSE	BKH	Fri, Jul 31, 1998	23.94	24.25	23.88	24.00
1558	NYSE	BKH	Thu, Jul 30, 1998	24.00	24.06	23.88	24.06
1557	NYSE	BKH	Wed, Jul 29, 1998	23.88	24.06	23.88	23.94
1556	NYSE	BKH	Tue, Jul 28, 1998	23.94	24.00	23.88	23.88
1555	NYSE	BKH	Mon, Jul 27, 1998	23.75	24.00	23.75	24.00
1554	NYSE	BKH	Fri, Jul 24, 1998	23.69	23.94	23.63	23.88
1553	NYSE	BKH	Thu, Jul 23, 1998	23.81	23.81	23.63	23.69
1552	NYSE	BKH	Wed, Jul 22, 1998	23.81	24.00	23.75	23.94
1551	NYSE	BKH	Tue, Jul 21, 1998	24.06	24.06	23.75	23.81
1550	NYSE	BKH	Mon, Jul 20, 1998	24.06	24.25	23.94	24.06
1549	NYSE	BKH	Fri, Jul 17, 1998	23.75	24.06	23.69	24.06
1548	NYSE	BKH	Thu, Jul 16, 1998	23.44	23.75	23.44	23.63
1547	NYSE	BKH	Wed, Jul 15, 1998	23.63	23.63	23.44	23.50
1546	NYSE	BKH	Tue, Jul 14, 1998	24.06	24.06	23.69	23.69
1545	NYSE	BKH	Mon, Jul 13, 1998	23.50	24.06	23.50	24.00
1544	NYSE	BKH	Fri, Jul 10, 1998	23.63	23.69	23.44	23.50
1543	NYSE	BKH	Thu, Jul 9, 1998	24.00	24.00	23.56	23.69
1542	NYSE	BKH	Wed, Jul 8, 1998	24.13	24.13	23.94	24.00
1541	NYSE	BKH	Tue, Jul 7, 1998	24.06	24.44	24.06	24.06
1540	NYSE	BKH	Mon, Jul 6, 1998	23.56	24.19	23.56	24.06
1539	NYSE	BKH	Thu, Jul 2, 1998	23.69	23.69	23.50	23.56
1538	NYSE	BKH	Wed, Jul 1, 1998	23.19	23.69	23.19	23.69
1537	NYSE	BKH	Tue, Jun 30, 1998	23.06	23.19	23.00	23.00
1536	NYSE	BKH	Mon, Jun 29, 1998	23.63	23.69	23.00	23.13
1535	NYSE	BKH	Fri, Jun 26, 1998	23.81	23.81	23.50	23.56
1534	NYSE	BKH	Thu, Jun 25, 1998	23.88	24.00	23.69	23.75
1533	NYSE	BKH	Wed, Jun 24, 1998	24.06	24.06	23.88	24.00
1532	NYSE	BKH	Tue, Jun 23, 1998	23.50	24.19	23.50	24.13
1531	NYSE	BKH	Mon, Jun 22, 1998	23.06	23.56	23.06	23.50
1530	NYSE	BKH	Fri, Jun 19, 1998	22.50	23.19	22.25	23.06
1529	NYSE	BKH	Thu, Jun 18, 1998	22.88	22.88	22.50	22.63
1528	NYSE	BKH	Wed, Jun 17, 1998	22.31	22.88	22.31	22.75
1527	NYSE	BKH	Tue, Jun 16, 1998	22.31	22.31	21.38	22.13
1526	NYSE	BKH	Mon, Jun 15, 1998	21.88	22.38	21.88	22.31
1525	NYSE	BKH	Fri, Jun 12, 1998	22.19	22.19	21.88	22.06
1524	NYSE	BKH	Thu, Jun 11, 1998	21.88	22.25	21.69	22.19
1523	NYSE	BKH	Wed, Jun 10, 1998	21.38	21.94	21.38	21.81
1522	NYSE	BKH	Tue, Jun 9, 1998	20.69	21.50	20.69	21.31
1521	NYSE	BKH	Mon, Jun 8, 1998	22.63	22.94	21.06	21.06
1520	NYSE	BKH	Fri, Jun 5, 1998	22.63	22.94	22.25	22.56
1519	NYSE	BKH	Thu, Jun 4, 1998	22.19	22.81	22.19	22.56
1518	NYSE	BKH	Wed, Jun 3, 1998	22.38	22.94	22.38	22.38
1517	NYSE	BKH	Tue, Jun 2, 1998	22.75	22.81	22.38	22.38
1516	NYSE	BKH	Mon, Jun 1, 1998	22.00	23.00	22.00	22.25
1515	NYSE	BKH	Fri, May 29, 1998	22.38	23.00	21.94	21.94
1514	NYSE	BKH	Thu, May 28, 1998	21.56	23.00	21.56	22.56
1513	NYSE	BKH	Wed, May 27, 1998	22.00	22.00	21.63	21.63
1512	NYSE	BKH	Tue, May 26, 1998	23.00	23.00	22.00	22.00
1511	NYSE	BKH	Fri, May 22, 1998	23.31	23.31	22.94	22.94
1510	NYSE	BKH	Thu, May 21, 1998	22.50	23.38	22.38	23.31
1509	NYSE	BKH	Wed, May 20, 1998	22.38	22.94	22.38	22.94
1508	NYSE	BKH	Tue, May 19, 1998	21.94	22.13	21.75	22.13
1507	NYSE	BKH	Mon, May 18, 1998	22.19	22.19	21.75	21.81
1506	NYSE	BKH	Fri, May 15, 1998	22.38	22.44	22.25	22.31
1505	NYSE	BKH	Thu, May 14, 1998	22.69	22.69	22.00	22.25
1504	NYSE	BKH	Wed, May 13, 1998	22.50	22.94	22.50	22.69
1503	NYSE	BKH	Tue, May 12, 1998	23.00	23.06	22.75	22.75
1502	NYSE	BKH	Mon, May 11, 1998	22.88	23.13	22.75	22.88
1501	NYSE	BKH	Fri, May 8, 1998	22.94	23.06	22.69	22.69
1500	NYSE	BKH	Thu, May 7, 1998	22.63	23.00	22.56	22.88
1499	NYSE	BKH	Wed, May 6, 1998	22.44	22.69	22.44	22.63
1498	NYSE	BKH	Tue, May 5, 1998	22.13	22.56	22.06	22.50
1497	NYSE	BKH	Mon, May 4, 1998	21.56	22.56	21.56	22.25
1496	NYSE	BKH	Fri, May 1, 1998	20.94	21.56	20.94	21.56
1495	NYSE	BKH	Thu, Apr 30, 1998	21.19	21.88	20.94	20.94
1494	NYSE	BKH	Wed, Apr 29, 1998	21.00	21.13	20.94	21.13
1493	NYSE	BKH	Tue, Apr 28, 1998	20.94	21.44	20.75	20.94
1492	NYSE	BKH	Mon, Apr 27, 1998	21.38	21.50	20.75	20.75
1491	NYSE	BKH	Fri, Apr 24, 1998	21.75	21.81	21.50	21.50
1490	NYSE	BKH	Thu, Apr 23, 1998	22.44	22.44	21.88	21.88
1489	NYSE	BKH	Wed, Apr 22, 1998	21.94	22.88	21.94	22.31
1488	NYSE	BKH	Tue, Apr 21, 1998	21.81	22.56	21.69	22.00
1487	NYSE	BKH	Mon, Apr 20, 1998	21.75	22.00	21.75	21.88
1486	NYSE	BKH	Fri, Apr 17, 1998	21.69	21.88	21.69	21.88
1485	NYSE	BKH	Thu, Apr 16, 1998	22.06	22.06	21.69	21.69
1484	NYSE	BKH	Wed, Apr 15, 1998	22.38	22.44	22.19	22.19
1483	NYSE	BKH	Tue, Apr 14, 1998	22.38	22.50	22.31	22.38
1482	NYSE	BKH	Mon, Apr 13, 1998	22.56	22.75	22.31	22.38
1481	NYSE	BKH	Thu, Apr 9, 1998	22.50	22.50	22.00	22.25
1480	NYSE	BKH	Wed, Apr 8, 1998	23.00	23.00	22.38	22.50
1479	NYSE	BKH	Tue, Apr 7, 1998	23.00	23.13	22.56	22.94
1478	NYSE	BKH	Mon, Apr 6, 1998	23.13	23.31	22.94	23.00
1477	NYSE	BKH	Fri, Apr 3, 1998	24.25	24.25	23.13	23.13
1476	NYSE	BKH	Thu, Apr 2, 1998	23.88	24.25	23.44	24.19
1475	NYSE	BKH	Wed, Apr 1, 1998	23.44	24.00	23.38	23.81
1474	NYSE	BKH	Tue, Mar 31, 1998	25.31	25.31	23.19	23.19
1473	NYSE	BKH	Mon, Mar 30, 1998	25.44	25.44	25.19	25.31
1472	NYSE	BKH	Fri, Mar 27, 1998	25.56	25.56	25.25	25.50
1471	NYSE	BKH	Thu, Mar 26, 1998	25.31	25.56	25.13	25.56
1470	NYSE	BKH	Wed, Mar 25, 1998	24.63	25.13	24.44	25.13
1469	NYSE	BKH	Tue, Mar 24, 1998	24.75	24.88	24.56	24.56
1468	NYSE	BKH	Mon, Mar 23, 1998	24.06	24.88	24.00	24.56
1467	NYSE	BKH	Fri, Mar 20, 1998	23.94	24.00	23.50	23.88
1466	NYSE	BKH	Thu, Mar 19, 1998	24.19	24.63	24.00	24.06
1465	NYSE	BKH	Wed, Mar 18, 1998	23.75	24.25	23.75	24.25
1464	NYSE	BKH	Tue, Mar 17, 1998	24.44	24.44	24.06	24.06
1463	NYSE	BKH	Mon, Mar 16, 1998	23.94	24.31	23.81	24.13
1462	NYSE	BKH	Fri, Mar 13, 1998	23.56	23.81	23.56	23.81
1461	NYSE	BKH	Thu, Mar 12, 1998	23.69	23.94	23.63	23.63
1460	NYSE	BKH	Wed, Mar 11, 1998	23.63	24.00	23.50	23.69
1459	NYSE	BKH	Tue, Mar 10, 1998	23.29	23.71	23.08	23.50
1458	NYSE	BKH	Mon, Mar 9, 1998	22.42	23.17	22.33	23.17
1457	NYSE	BKH	Fri, Mar 6, 1998	22.21	22.50	22.17	22.42
1456	NYSE	BKH	Thu, Mar 5, 1998	22.04	22.17	21.96	22.13
1455	NYSE	BKH	Wed, Mar 4, 1998	22.00	22.17	21.83	22.17
1454	NYSE	BKH	Tue, Mar 3, 1998	21.96	22.13	21.88	22.13
1453	NYSE	BKH	Mon, Mar 2, 1998	21.92	22.04	21.71	21.83
1452	NYSE	BKH	Fri, Feb 27, 1998	22.21	22.21	21.50	21.83
1451	NYSE	BKH	Thu, Feb 26, 1998	21.71	22.21	21.71	22.17
1450	NYSE	BKH	Wed, Feb 25, 1998	21.29	21.79	21.29	21.79
1449	NYSE	BKH	Tue, Feb 24, 1998	21.88	21.88	21.00	21.13
1448	NYSE	BKH	Mon, Feb 23, 1998	22.04	22.04	21.67	21.75
1447	NYSE	BKH	Fri, Feb 20, 1998	22.17	22.33	21.96	21.96
1446	NYSE	BKH	Thu, Feb 19, 1998	22.50	22.58	22.29	22.29
1445	NYSE	BKH	Wed, Feb 18, 1998	22.67	22.75	22.50	22.50
1444	NYSE	BKH	Tue, Feb 17, 1998	22.54	22.71	22.50	22.71
1443	NYSE	BKH	Fri, Feb 13, 1998	22.50	22.67	22.17	22.67
1442	NYSE	BKH	Thu, Feb 12, 1998	22.79	22.79	22.29	22.46
1441	NYSE	BKH	Wed, Feb 11, 1998	22.42	22.83	22.42	22.67
1440	NYSE	BKH	Tue, Feb 10, 1998	22.50	22.63	22.50	22.58
1439	NYSE	BKH	Mon, Feb 9, 1998	22.33	22.50	22.29	22.50
1438	NYSE	BKH	Fri, Feb 6, 1998	22.46	22.50	22.29	22.29
1437	NYSE	BKH	Thu, Feb 5, 1998	22.50	22.63	22.33	22.33
1436	NYSE	BKH	Wed, Feb 4, 1998	22.58	23.33	22.33	22.33
1435	NYSE	BKH	Tue, Feb 3, 1998	22.46	22.46	22.17	22.42
1434	NYSE	BKH	Mon, Feb 2, 1998	22.08	22.58	22.08	22.54
1433	NYSE	BKH	Fri, Jan 30, 1998	21.50	22.00	21.50	21.92
1432	NYSE	BKH	Thu, Jan 29, 1998	21.75	21.79	21.25	21.33
1431	NYSE	BKH	Wed, Jan 28, 1998	22.29	22.29	21.63	21.71
1430	NYSE	BKH	Tue, Jan 27, 1998	22.83	22.83	22.29	22.29
1429	NYSE	BKH	Mon, Jan 26, 1998	22.83	22.92	22.83	22.88
1428	NYSE	BKH	Fri, Jan 23, 1998	22.83	22.92	22.75	22.83
1427	NYSE	BKH	Thu, Jan 22, 1998	22.92	22.92	22.83	22.83
1426	NYSE	BKH	Wed, Jan 21, 1998	22.88	23.04	22.88	23.00
1425	NYSE	BKH	Tue, Jan 20, 1998	22.71	22.92	22.71	22.88
1424	NYSE	BKH	Fri, Jan 16, 1998	22.71	22.79	22.50	22.79
1423	NYSE	BKH	Thu, Jan 15, 1998	22.46	22.83	22.21	22.75
1422	NYSE	BKH	Wed, Jan 14, 1998	22.79	22.88	22.42	22.50
1421	NYSE	BKH	Tue, Jan 13, 1998	22.88	23.00	22.83	22.88
1420	NYSE	BKH	Mon, Jan 12, 1998	22.79	22.92	22.67	22.88
1419	NYSE	BKH	Fri, Jan 9, 1998	23.42	23.54	23.04	23.04
1418	NYSE	BKH	Thu, Jan 8, 1998	23.42	23.54	23.38	23.54
1417	NYSE	BKH	Wed, Jan 7, 1998	23.50	23.58	23.38	23.50
1416	NYSE	BKH	Tue, Jan 6, 1998	24.25	24.25	23.50	23.54
1415	NYSE	BKH	Mon, Jan 5, 1998	23.46	23.67	23.46	23.67
1414	NYSE	BKH	Fri, Jan 2, 1998	23.33	24.33	23.21	23.50
1413	NYSE	BKH	Wed, Dec 31, 1997	24.04	24.04	23.33	23.50
1412	NYSE	BKH	Tue, Dec 30, 1997	24.04	24.21	24.04	24.21
1411	NYSE	BKH	Mon, Dec 29, 1997	23.71	24.13	23.71	24.00
1410	NYSE	BKH	Fri, Dec 26, 1997	23.96	23.96	23.54	23.54
1409	NYSE	BKH	Wed, Dec 24, 1997	23.96	24.04	23.88	23.92
1408	NYSE	BKH	Tue, Dec 23, 1997	23.83	24.29	23.83	24.00
1407	NYSE	BKH	Mon, Dec 22, 1997	23.42	23.88	23.38	23.83
1406	NYSE	BKH	Fri, Dec 19, 1997	22.58	23.13	22.58	23.13
1405	NYSE	BKH	Thu, Dec 18, 1997	22.54	22.83	22.46	22.75
1404	NYSE	BKH	Wed, Dec 17, 1997	22.33	22.42	22.25	22.42
1403	NYSE	BKH	Tue, Dec 16, 1997	22.29	22.33	22.21	22.33
1402	NYSE	BKH	Mon, Dec 15, 1997	22.42	22.42	22.25	22.29
1401	NYSE	BKH	Fri, Dec 12, 1997	22.33	22.46	22.33	22.42
1400	NYSE	BKH	Thu, Dec 11, 1997	22.38	22.42	22.38	22.38
1399	NYSE	BKH	Wed, Dec 10, 1997	22.33	22.46	22.33	22.46
1398	NYSE	BKH	Tue, Dec 9, 1997	22.75	22.75	22.42	22.50
1397	NYSE	BKH	Mon, Dec 8, 1997	22.58	23.08	22.58	22.92
1396	NYSE	BKH	Fri, Dec 5, 1997	22.46	22.63	22.42	22.63
1395	NYSE	BKH	Thu, Dec 4, 1997	22.42	22.50	22.33	22.50
1394	NYSE	BKH	Wed, Dec 3, 1997	21.79	22.25	21.75	22.25
1393	NYSE	BKH	Tue, Dec 2, 1997	21.79	21.92	21.75	21.75
1392	NYSE	BKH	Mon, Dec 1, 1997	21.25	21.71	21.17	21.71
1391	NYSE	BKH	Fri, Nov 28, 1997	21.33	21.33	21.21	21.21
1390	NYSE	BKH	Wed, Nov 26, 1997	20.96	21.50	20.96	21.50
1389	NYSE	BKH	Tue, Nov 25, 1997	21.00	21.17	20.96	21.00
1388	NYSE	BKH	Mon, Nov 24, 1997	20.96	21.00	20.83	20.92
1387	NYSE	BKH	Fri, Nov 21, 1997	20.83	21.00	20.79	20.96
1386	NYSE	BKH	Thu, Nov 20, 1997	20.83	20.88	20.75	20.79
1385	NYSE	BKH	Wed, Nov 19, 1997	20.79	20.83	20.75	20.79
1384	NYSE	BKH	Tue, Nov 18, 1997	20.71	20.88	20.71	20.83
1383	NYSE	BKH	Mon, Nov 17, 1997	20.29	20.54	20.29	20.54
1382	NYSE	BKH	Fri, Nov 14, 1997	20.21	20.21	20.04	20.17
1381	NYSE	BKH	Thu, Nov 13, 1997	20.08	20.25	19.96	20.21
1380	NYSE	BKH	Wed, Nov 12, 1997	20.08	20.13	19.96	19.96
1379	NYSE	BKH	Tue, Nov 11, 1997	20.33	20.38	20.33	20.33
1378	NYSE	BKH	Mon, Nov 10, 1997	20.75	20.75	20.33	20.33
1377	NYSE	BKH	Fri, Nov 7, 1997	20.67	20.71	20.54	20.54
1376	NYSE	BKH	Thu, Nov 6, 1997	20.79	20.83	20.54	20.58
1375	NYSE	BKH	Wed, Nov 5, 1997	20.79	20.88	20.75	20.79
1374	NYSE	BKH	Tue, Nov 4, 1997	20.42	20.88	20.42	20.88
1373	NYSE	BKH	Mon, Nov 3, 1997	20.33	20.42	20.29	20.42
1372	NYSE	BKH	Fri, Oct 31, 1997	20.04	20.13	19.83	20.08
1371	NYSE	BKH	Thu, Oct 30, 1997	19.88	20.21	19.88	20.04
1370	NYSE	BKH	Wed, Oct 29, 1997	19.92	20.00	19.71	19.79
1369	NYSE	BKH	Tue, Oct 28, 1997	19.63	19.79	19.50	19.79
1368	NYSE	BKH	Mon, Oct 27, 1997	20.08	20.13	19.92	19.92
1367	NYSE	BKH	Fri, Oct 24, 1997	19.88	20.08	19.79	20.08
1366	NYSE	BKH	Thu, Oct 23, 1997	19.83	19.92	19.71	19.88
1365	NYSE	BKH	Wed, Oct 22, 1997	19.92	19.92	19.79	19.83
1364	NYSE	BKH	Tue, Oct 21, 1997	20.00	20.08	19.92	19.92
1363	NYSE	BKH	Mon, Oct 20, 1997	19.63	19.88	19.63	19.83
1362	NYSE	BKH	Fri, Oct 17, 1997	19.83	19.92	19.54	19.63
1361	NYSE	BKH	Thu, Oct 16, 1997	19.92	20.00	19.92	19.96
1360	NYSE	BKH	Wed, Oct 15, 1997	20.04	20.13	19.92	19.92
1359	NYSE	BKH	Tue, Oct 14, 1997	20.13	20.17	20.04	20.04
1358	NYSE	BKH	Mon, Oct 13, 1997	20.33	20.33	20.04	20.13
1357	NYSE	BKH	Fri, Oct 10, 1997	20.46	20.54	20.33	20.42
1356	NYSE	BKH	Thu, Oct 9, 1997	20.67	20.67	20.42	20.42
1355	NYSE	BKH	Wed, Oct 8, 1997	21.00	21.00	20.67	20.71
1354	NYSE	BKH	Tue, Oct 7, 1997	21.00	21.08	20.96	21.04
1353	NYSE	BKH	Mon, Oct 6, 1997	20.33	21.00	20.33	21.00
1352	NYSE	BKH	Fri, Oct 3, 1997	20.38	20.58	20.33	20.42
1351	NYSE	BKH	Thu, Oct 2, 1997	20.00	20.50	19.96	20.42
1350	NYSE	BKH	Wed, Oct 1, 1997	19.63	20.08	19.58	20.08
1349	NYSE	BKH	Tue, Sep 30, 1997	18.96	19.67	18.96	19.54
1348	NYSE	BKH	Mon, Sep 29, 1997	19.00	19.00	18.71	18.96
1347	NYSE	BKH	Fri, Sep 26, 1997	18.96	19.21	18.96	19.13
1346	NYSE	BKH	Thu, Sep 25, 1997	18.75	18.96	18.75	18.88
1345	NYSE	BKH	Wed, Sep 24, 1997	19.08	19.08	18.67	18.75
1344	NYSE	BKH	Tue, Sep 23, 1997	18.75	19.13	18.75	19.13
1343	NYSE	BKH	Mon, Sep 22, 1997	18.96	19.04	18.75	18.88
1342	NYSE	BKH	Fri, Sep 19, 1997	19.25	19.42	18.96	18.96
1341	NYSE	BKH	Thu, Sep 18, 1997	19.46	19.50	19.25	19.25
1340	NYSE	BKH	Wed, Sep 17, 1997	19.46	19.50	19.29	19.50
1339	NYSE	BKH	Tue, Sep 16, 1997	19.58	19.58	19.38	19.46
1338	NYSE	BKH	Mon, Sep 15, 1997	19.50	19.50	19.33	19.42
1337	NYSE	BKH	Fri, Sep 12, 1997	19.17	19.50	19.13	19.42
1336	NYSE	BKH	Thu, Sep 11, 1997	19.00	19.21	19.00	19.17
1335	NYSE	BKH	Wed, Sep 10, 1997	18.75	19.17	18.75	19.13
1334	NYSE	BKH	Tue, Sep 9, 1997	18.88	18.92	18.67	18.83
1333	NYSE	BKH	Mon, Sep 8, 1997	18.79	18.96	18.75	18.92
1332	NYSE	BKH	Fri, Sep 5, 1997	18.71	18.79	18.46	18.75
1331	NYSE	BKH	Thu, Sep 4, 1997	18.92	18.92	18.71	18.71
1330	NYSE	BKH	Wed, Sep 3, 1997	18.83	19.04	18.83	18.96
1329	NYSE	BKH	Tue, Sep 2, 1997	18.63	18.71	18.58	18.71
1328	NYSE	BKH	Fri, Aug 29, 1997	18.92	18.92	18.58	18.58
1327	NYSE	BKH	Thu, Aug 28, 1997	18.50	18.96	18.46	18.79
1326	NYSE	BKH	Wed, Aug 27, 1997	18.33	18.58	18.33	18.54
1325	NYSE	BKH	Tue, Aug 26, 1997	18.50	18.50	18.29	18.33
1324	NYSE	BKH	Mon, Aug 25, 1997	18.58	18.63	18.00	18.54
1323	NYSE	BKH	Fri, Aug 22, 1997	18.38	18.71	18.33	18.63
1322	NYSE	BKH	Thu, Aug 21, 1997	18.54	18.54	18.38	18.42
1321	NYSE	BKH	Wed, Aug 20, 1997	18.38	18.67	18.38	18.63
1320	NYSE	BKH	Tue, Aug 19, 1997	18.42	18.42	18.25	18.29
1319	NYSE	BKH	Mon, Aug 18, 1997	18.21	18.42	18.13	18.38
1318	NYSE	BKH	Fri, Aug 15, 1997	18.58	18.58	18.17	18.17
1317	NYSE	BKH	Thu, Aug 14, 1997	18.75	18.83	18.46	18.58
1316	NYSE	BKH	Wed, Aug 13, 1997	18.25	18.79	17.92	18.79
1315	NYSE	BKH	Tue, Aug 12, 1997	18.04	18.63	18.04	18.54
1314	NYSE	BKH	Mon, Aug 11, 1997	18.33	18.42	18.08	18.21
1313	NYSE	BKH	Fri, Aug 8, 1997	18.50	18.50	18.21	18.33
1312	NYSE	BKH	Thu, Aug 7, 1997	18.92	18.92	18.63	18.63
1311	NYSE	BKH	Wed, Aug 6, 1997	18.79	19.00	18.79	18.96
1310	NYSE	BKH	Tue, Aug 5, 1997	18.75	18.88	18.67	18.79
1309	NYSE	BKH	Mon, Aug 4, 1997	19.08	19.08	18.79	18.83
1308	NYSE	BKH	Fri, Aug 1, 1997	19.21	19.21	19.08	19.08
1307	NYSE	BKH	Thu, Jul 31, 1997	19.25	19.42	19.17	19.21
1306	NYSE	BKH	Wed, Jul 30, 1997	19.13	19.17	19.04	19.17
1305	NYSE	BKH	Tue, Jul 29, 1997	19.17	19.21	19.13	19.21
1304	NYSE	BKH	Mon, Jul 28, 1997	19.13	19.21	19.08	19.21
1303	NYSE	BKH	Fri, Jul 25, 1997	19.17	19.17	19.13	19.17
1302	NYSE	BKH	Thu, Jul 24, 1997	19.00	19.21	19.00	19.17
1301	NYSE	BKH	Wed, Jul 23, 1997	19.17	19.25	19.08	19.13
1300	NYSE	BKH	Tue, Jul 22, 1997	19.38	19.50	19.13	19.13
1299	NYSE	BKH	Mon, Jul 21, 1997	19.38	19.38	19.38	19.38
1298	NYSE	BKH	Fri, Jul 18, 1997	19.54	19.54	19.38	19.38
1297	NYSE	BKH	Thu, Jul 17, 1997	19.58	19.58	19.50	19.50
1296	NYSE	BKH	Wed, Jul 16, 1997	19.54	19.75	19.54	19.71
1295	NYSE	BKH	Tue, Jul 15, 1997	19.58	19.63	19.54	19.54
1294	NYSE	BKH	Mon, Jul 14, 1997	19.42	19.58	19.38	19.54
1293	NYSE	BKH	Fri, Jul 11, 1997	19.00	19.38	18.88	19.33
1292	NYSE	BKH	Thu, Jul 10, 1997	19.13	19.13	18.88	18.88
1291	NYSE	BKH	Wed, Jul 9, 1997	19.25	19.25	19.08	19.13
1290	NYSE	BKH	Tue, Jul 8, 1997	19.29	19.33	19.13	19.21
1289	NYSE	BKH	Mon, Jul 7, 1997	18.83	19.21	18.83	19.17
1288	NYSE	BKH	Thu, Jul 3, 1997	19.08	19.13	18.83	18.83
1287	NYSE	BKH	Wed, Jul 2, 1997	18.92	19.13	18.92	19.08
1286	NYSE	BKH	Tue, Jul 1, 1997	19.00	19.08	18.92	19.00
1285	NYSE	BKH	Mon, Jun 30, 1997	19.04	19.08	19.00	19.00
1284	NYSE	BKH	Fri, Jun 27, 1997	19.08	19.13	19.08	19.08
1283	NYSE	BKH	Thu, Jun 26, 1997	19.13	19.17	19.00	19.00
1282	NYSE	BKH	Wed, Jun 25, 1997	19.08	19.17	19.04	19.08
1281	NYSE	BKH	Tue, Jun 24, 1997	19.08	19.13	19.00	19.08
1280	NYSE	BKH	Mon, Jun 23, 1997	19.08	19.17	19.00	19.17
1279	NYSE	BKH	Fri, Jun 20, 1997	18.67	19.08	18.67	19.00
1278	NYSE	BKH	Thu, Jun 19, 1997	19.17	19.25	19.00	19.25
1277	NYSE	BKH	Wed, Jun 18, 1997	19.17	19.25	19.17	19.25
1276	NYSE	BKH	Tue, Jun 17, 1997	19.50	19.58	19.17	19.17
1275	NYSE	BKH	Mon, Jun 16, 1997	19.42	19.67	19.33	19.58
1274	NYSE	BKH	Fri, Jun 13, 1997	19.42	19.50	19.33	19.50
1273	NYSE	BKH	Thu, Jun 12, 1997	19.42	19.50	19.33	19.42
1272	NYSE	BKH	Wed, Jun 11, 1997	19.17	19.50	19.17	19.42
1271	NYSE	BKH	Tue, Jun 10, 1997	19.17	19.33	19.17	19.17
1270	NYSE	BKH	Mon, Jun 9, 1997	19.42	19.50	19.25	19.25
1269	NYSE	BKH	Fri, Jun 6, 1997	19.50	19.50	19.42	19.42
1268	NYSE	BKH	Thu, Jun 5, 1997	19.33	19.50	19.33	19.42
1267	NYSE	BKH	Wed, Jun 4, 1997	19.42	19.42	19.17	19.17
1266	NYSE	BKH	Tue, Jun 3, 1997	19.42	19.50	19.33	19.42
1265	NYSE	BKH	Mon, Jun 2, 1997	19.25	19.42	19.25	19.42
1264	NYSE	BKH	Fri, May 30, 1997	19.00	19.25	19.00	19.17
1263	NYSE	BKH	Thu, May 29, 1997	18.92	19.08	18.83	19.08
1262	NYSE	BKH	Wed, May 28, 1997	19.00	19.00	18.83	18.92
1261	NYSE	BKH	Tue, May 27, 1997	18.67	18.92	18.67	18.83
1260	NYSE	BKH	Fri, May 23, 1997	18.67	18.75	18.58	18.75
1259	NYSE	BKH	Thu, May 22, 1997	18.50	18.58	18.50	18.50
1258	NYSE	BKH	Wed, May 21, 1997	18.42	18.58	18.33	18.58
1257	NYSE	BKH	Tue, May 20, 1997	18.25	18.33	18.25	18.33
1256	NYSE	BKH	Mon, May 19, 1997	18.17	18.33	18.08	18.25
1255	NYSE	BKH	Fri, May 16, 1997	18.33	18.42	18.25	18.25
1254	NYSE	BKH	Thu, May 15, 1997	18.17	18.25	18.08	18.25
1253	NYSE	BKH	Wed, May 14, 1997	18.33	18.42	18.17	18.17
1252	NYSE	BKH	Tue, May 13, 1997	18.67	18.67	18.42	18.42
1251	NYSE	BKH	Mon, May 12, 1997	18.67	18.75	18.50	18.58
1250	NYSE	BKH	Fri, May 9, 1997	18.83	18.83	18.58	18.67
1249	NYSE	BKH	Thu, May 8, 1997	19.08	19.17	18.92	18.92
1248	NYSE	BKH	Wed, May 7, 1997	19.00	19.08	18.83	19.08
1247	NYSE	BKH	Tue, May 6, 1997	19.33	19.33	19.00	19.00
1246	NYSE	BKH	Mon, May 5, 1997	19.25	19.50	19.25	19.33
1245	NYSE	BKH	Fri, May 2, 1997	18.67	19.17	18.58	19.17
1244	NYSE	BKH	Thu, May 1, 1997	18.83	19.00	18.83	18.83
1243	NYSE	BKH	Wed, Apr 30, 1997	18.75	18.92	18.75	18.75
1242	NYSE	BKH	Tue, Apr 29, 1997	18.58	18.75	18.58	18.75
1241	NYSE	BKH	Mon, Apr 28, 1997	18.33	18.58	18.25	18.42
1240	NYSE	BKH	Fri, Apr 25, 1997	18.33	18.33	18.00	18.33
1239	NYSE	BKH	Thu, Apr 24, 1997	18.42	18.42	18.33	18.42
1238	NYSE	BKH	Wed, Apr 23, 1997	18.17	18.42	18.17	18.42
1237	NYSE	BKH	Tue, Apr 22, 1997	18.25	18.25	18.17	18.17
1236	NYSE	BKH	Mon, Apr 21, 1997	18.42	18.50	18.33	18.33
1235	NYSE	BKH	Fri, Apr 18, 1997	18.42	18.42	18.33	18.42
1234	NYSE	BKH	Thu, Apr 17, 1997	18.33	18.42	18.33	18.33
1233	NYSE	BKH	Wed, Apr 16, 1997	18.25	18.42	18.25	18.33
1232	NYSE	BKH	Tue, Apr 15, 1997	18.25	18.33	18.17	18.25
1231	NYSE	BKH	Mon, Apr 14, 1997	17.92	18.17	17.75	18.17
1230	NYSE	BKH	Fri, Apr 11, 1997	18.33	18.33	17.83	17.83
1229	NYSE	BKH	Thu, Apr 10, 1997	18.33	18.50	18.33	18.33
1228	NYSE	BKH	Wed, Apr 9, 1997	18.33	18.42	18.25	18.42
1227	NYSE	BKH	Tue, Apr 8, 1997	18.33	18.58	18.25	18.25
1226	NYSE	BKH	Mon, Apr 7, 1997	18.00	18.17	17.92	18.17
1225	NYSE	BKH	Fri, Apr 4, 1997	18.17	18.17	17.83	18.08
1224	NYSE	BKH	Thu, Apr 3, 1997	18.25	18.33	18.00	18.33
1223	NYSE	BKH	Wed, Apr 2, 1997	18.00	18.42	18.00	18.33
1222	NYSE	BKH	Tue, Apr 1, 1997	17.58	18.00	17.58	18.00
1221	NYSE	BKH	Mon, Mar 31, 1997	18.00	18.00	17.50	17.50
1220	NYSE	BKH	Thu, Mar 27, 1997	18.42	18.42	18.00	18.00
1219	NYSE	BKH	Wed, Mar 26, 1997	18.33	18.42	18.33	18.33
1218	NYSE	BKH	Tue, Mar 25, 1997	18.42	18.50	18.33	18.33
1217	NYSE	BKH	Mon, Mar 24, 1997	18.25	18.50	18.08	18.42
1216	NYSE	BKH	Fri, Mar 21, 1997	18.50	18.50	18.25	18.33
1215	NYSE	BKH	Thu, Mar 20, 1997	18.42	18.50	18.42	18.42
1214	NYSE	BKH	Wed, Mar 19, 1997	18.50	18.58	18.33	18.50
1213	NYSE	BKH	Tue, Mar 18, 1997	19.00	19.00	18.42	18.50
1212	NYSE	BKH	Mon, Mar 17, 1997	19.25	19.25	18.92	18.92
1211	NYSE	BKH	Fri, Mar 14, 1997	19.00	19.25	18.92	19.25
1210	NYSE	BKH	Thu, Mar 13, 1997	19.00	19.00	18.83	18.92
1209	NYSE	BKH	Wed, Mar 12, 1997	19.17	19.17	19.00	19.00
1208	NYSE	BKH	Tue, Mar 11, 1997	19.25	19.25	19.00	19.17
1207	NYSE	BKH	Mon, Mar 10, 1997	19.00	19.33	18.92	19.33
1206	NYSE	BKH	Fri, Mar 7, 1997	18.67	19.00	18.67	18.92
1205	NYSE	BKH	Thu, Mar 6, 1997	19.00	19.00	18.67	18.83
1204	NYSE	BKH	Wed, Mar 5, 1997	19.17	19.17	19.00	19.00
1203	NYSE	BKH	Tue, Mar 4, 1997	19.08	19.08	18.83	19.00
1202	NYSE	BKH	Mon, Mar 3, 1997	18.50	19.08	18.50	19.00
1201	NYSE	BKH	Fri, Feb 28, 1997	18.42	18.67	18.42	18.50
1200	NYSE	BKH	Thu, Feb 27, 1997	18.50	18.50	18.42	18.50
1199	NYSE	BKH	Wed, Feb 26, 1997	18.92	18.92	18.50	18.50
1198	NYSE	BKH	Tue, Feb 25, 1997	18.58	18.83	18.50	18.83
1197	NYSE	BKH	Mon, Feb 24, 1997	18.42	18.58	18.42	18.50
1196	NYSE	BKH	Fri, Feb 21, 1997	18.42	18.58	18.33	18.50
1195	NYSE	BKH	Thu, Feb 20, 1997	18.67	18.67	18.42	18.50
1194	NYSE	BKH	Wed, Feb 19, 1997	18.67	18.92	18.67	18.67
1193	NYSE	BKH	Tue, Feb 18, 1997	18.50	18.83	18.42	18.75
1192	NYSE	BKH	Fri, Feb 14, 1997	18.58	18.67	18.50	18.58
1191	NYSE	BKH	Thu, Feb 13, 1997	18.42	18.58	18.42	18.50
1190	NYSE	BKH	Wed, Feb 12, 1997	18.42	18.50	18.33	18.42
1189	NYSE	BKH	Tue, Feb 11, 1997	18.42	18.67	18.25	18.50
1188	NYSE	BKH	Mon, Feb 10, 1997	18.25	18.50	18.25	18.33
1187	NYSE	BKH	Fri, Feb 7, 1997	18.33	18.50	18.25	18.25
1186	NYSE	BKH	Thu, Feb 6, 1997	18.33	18.50	18.33	18.42
1185	NYSE	BKH	Wed, Feb 5, 1997	18.33	18.42	18.25	18.33
1184	NYSE	BKH	Tue, Feb 4, 1997	18.25	18.50	18.25	18.33
1183	NYSE	BKH	Mon, Feb 3, 1997	18.42	18.42	18.25	18.33
1182	NYSE	BKH	Fri, Jan 31, 1997	18.42	18.58	18.33	18.50
1181	NYSE	BKH	Thu, Jan 30, 1997	18.50	18.50	18.33	18.33
1180	NYSE	BKH	Wed, Jan 29, 1997	18.67	18.75	18.50	18.50
1179	NYSE	BKH	Tue, Jan 28, 1997	18.58	18.67	18.42	18.67
1178	NYSE	BKH	Mon, Jan 27, 1997	18.75	18.92	18.58	18.58
1177	NYSE	BKH	Fri, Jan 24, 1997	18.67	18.75	18.58	18.67
1176	NYSE	BKH	Thu, Jan 23, 1997	18.83	18.92	18.75	18.75
1175	NYSE	BKH	Wed, Jan 22, 1997	18.67	18.75	18.67	18.67
1174	NYSE	BKH	Tue, Jan 21, 1997	18.58	18.75	18.50	18.67
1173	NYSE	BKH	Mon, Jan 20, 1997	18.58	18.67	18.58	18.58
1172	NYSE	BKH	Fri, Jan 17, 1997	18.58	18.67	18.50	18.67
1171	NYSE	BKH	Thu, Jan 16, 1997	18.58	18.67	18.58	18.58
1170	NYSE	BKH	Wed, Jan 15, 1997	18.50	18.67	18.50	18.58
1169	NYSE	BKH	Tue, Jan 14, 1997	18.75	18.92	18.58	18.58
1168	NYSE	BKH	Mon, Jan 13, 1997	18.42	18.83	18.42	18.75
1167	NYSE	BKH	Fri, Jan 10, 1997	18.08	18.42	17.92	18.42
1166	NYSE	BKH	Thu, Jan 9, 1997	18.33	18.42	18.17	18.25
1165	NYSE	BKH	Wed, Jan 8, 1997	18.67	18.67	18.42	18.50
1164	NYSE	BKH	Tue, Jan 7, 1997	18.67	18.75	18.58	18.58
1163	NYSE	BKH	Mon, Jan 6, 1997	18.67	18.83	18.58	18.67
1162	NYSE	BKH	Fri, Jan 3, 1997	18.67	18.75	18.67	18.67
1161	NYSE	BKH	Thu, Jan 2, 1997	18.67	18.75	18.42	18.67
1160	NYSE	BKH	Tue, Dec 31, 1996	18.67	18.75	18.67	18.75
1159	NYSE	BKH	Mon, Dec 30, 1996	18.58	18.75	18.50	18.75
1158	NYSE	BKH	Fri, Dec 27, 1996	18.33	18.58	18.25	18.50
1157	NYSE	BKH	Thu, Dec 26, 1996	18.25	18.33	18.25	18.25
1156	NYSE	BKH	Tue, Dec 24, 1996	18.33	18.50	18.33	18.33
1155	NYSE	BKH	Mon, Dec 23, 1996	18.33	18.33	18.25	18.33
1154	NYSE	BKH	Fri, Dec 20, 1996	18.33	18.33	18.25	18.33
1153	NYSE	BKH	Thu, Dec 19, 1996	18.42	18.42	18.25	18.25
1152	NYSE	BKH	Wed, Dec 18, 1996	18.17	18.25	18.08	18.25
1151	NYSE	BKH	Tue, Dec 17, 1996	18.00	18.17	18.00	18.08
1150	NYSE	BKH	Mon, Dec 16, 1996	18.17	18.17	18.00	18.00
1149	NYSE	BKH	Fri, Dec 13, 1996	18.00	18.17	17.75	18.00
1148	NYSE	BKH	Thu, Dec 12, 1996	18.33	18.33	18.00	18.08
1147	NYSE	BKH	Wed, Dec 11, 1996	18.67	18.75	18.50	18.50
1146	NYSE	BKH	Tue, Dec 10, 1996	18.75	19.17	18.75	18.75
1145	NYSE	BKH	Mon, Dec 9, 1996	18.58	19.00	18.58	18.92
1144	NYSE	BKH	Fri, Dec 6, 1996	18.00	18.67	17.92	18.42
1143	NYSE	BKH	Thu, Dec 5, 1996	17.67	18.08	17.50	18.08
1142	NYSE	BKH	Wed, Dec 4, 1996	17.42	17.67	17.42	17.58
1141	NYSE	BKH	Tue, Dec 3, 1996	17.33	17.58	17.17	17.50
1140	NYSE	BKH	Mon, Dec 2, 1996	17.33	17.33	17.17	17.25
1139	NYSE	BKH	Fri, Nov 29, 1996	17.33	17.33	17.17	17.17
1138	NYSE	BKH	Wed, Nov 27, 1996	17.17	17.33	17.08	17.33
1137	NYSE	BKH	Tue, Nov 26, 1996	17.17	17.25	17.00	17.08
1136	NYSE	BKH	Mon, Nov 25, 1996	16.83	17.00	16.67	17.00
1135	NYSE	BKH	Fri, Nov 22, 1996	16.75	16.83	16.67	16.67
1134	NYSE	BKH	Thu, Nov 21, 1996	16.58	16.67	16.58	16.58
1133	NYSE	BKH	Wed, Nov 20, 1996	16.42	16.50	16.33	16.42
1132	NYSE	BKH	Tue, Nov 19, 1996	16.42	16.50	16.25	16.25
1131	NYSE	BKH	Mon, Nov 18, 1996	16.75	16.75	16.50	16.50
1130	NYSE	BKH	Fri, Nov 15, 1996	16.67	16.83	16.67	16.67
1129	NYSE	BKH	Thu, Nov 14, 1996	16.67	16.67	16.58	16.67
1128	NYSE	BKH	Wed, Nov 13, 1996	16.67	16.67	16.50	16.58
1127	NYSE	BKH	Tue, Nov 12, 1996	16.83	16.92	16.83	16.83
1126	NYSE	BKH	Mon, Nov 11, 1996	16.83	16.92	16.75	16.83
1125	NYSE	BKH	Fri, Nov 8, 1996	17.08	17.08	16.83	16.83
1124	NYSE	BKH	Thu, Nov 7, 1996	17.08	17.17	17.00	17.08
1123	NYSE	BKH	Wed, Nov 6, 1996	16.92	17.00	16.83	17.00
1122	NYSE	BKH	Tue, Nov 5, 1996	16.83	16.92	16.75	16.75
1121	NYSE	BKH	Mon, Nov 4, 1996	16.83	16.83	16.75	16.83
1120	NYSE	BKH	Fri, Nov 1, 1996	16.92	16.92	16.75	16.83
1119	NYSE	BKH	Thu, Oct 31, 1996	16.83	17.00	16.75	17.00
1118	NYSE	BKH	Wed, Oct 30, 1996	16.92	16.92	16.75	16.83
1117	NYSE	BKH	Tue, Oct 29, 1996	16.50	16.92	16.50	16.83
1116	NYSE	BKH	Mon, Oct 28, 1996	16.50	16.67	16.50	16.58
1115	NYSE	BKH	Fri, Oct 25, 1996	16.33	16.58	16.33	16.58
1114	NYSE	BKH	Thu, Oct 24, 1996	16.42	16.58	16.33	16.42
1113	NYSE	BKH	Wed, Oct 23, 1996	16.08	16.33	16.08	16.25
1112	NYSE	BKH	Tue, Oct 22, 1996	15.92	16.08	15.92	16.00
1111	NYSE	BKH	Mon, Oct 21, 1996	16.00	16.00	15.83	15.92
1110	NYSE	BKH	Fri, Oct 18, 1996	16.25	16.25	16.00	16.00
1109	NYSE	BKH	Thu, Oct 17, 1996	16.50	16.50	16.08	16.17
1108	NYSE	BKH	Wed, Oct 16, 1996	16.58	16.58	16.33	16.58
1107	NYSE	BKH	Tue, Oct 15, 1996	16.75	16.75	16.50	16.50
1106	NYSE	BKH	Mon, Oct 14, 1996	16.75	16.83	16.67	16.75
1105	NYSE	BKH	Fri, Oct 11, 1996	17.00	17.00	16.75	16.75
1104	NYSE	BKH	Thu, Oct 10, 1996	17.00	17.00	16.83	16.92
1103	NYSE	BKH	Wed, Oct 9, 1996	17.00	17.08	16.83	17.00
1102	NYSE	BKH	Tue, Oct 8, 1996	17.08	17.25	16.92	17.08
1101	NYSE	BKH	Mon, Oct 7, 1996	17.08	17.08	17.08	17.08
1100	NYSE	BKH	Fri, Oct 4, 1996	17.00	17.25	17.00	17.17
1099	NYSE	BKH	Thu, Oct 3, 1996	17.08	17.17	17.00	17.08
1098	NYSE	BKH	Wed, Oct 2, 1996	17.08	17.25	17.08	17.08
1097	NYSE	BKH	Tue, Oct 1, 1996	17.17	17.25	17.00	17.00
1096	NYSE	BKH	Mon, Sep 30, 1996	17.17	17.33	17.17	17.25
1095	NYSE	BKH	Fri, Sep 27, 1996	17.00	17.25	16.83	17.25
1094	NYSE	BKH	Thu, Sep 26, 1996	16.83	17.08	16.83	17.00
1093	NYSE	BKH	Wed, Sep 25, 1996	17.08	17.08	16.83	16.83
1092	NYSE	BKH	Tue, Sep 24, 1996	16.75	17.00	16.75	16.92
1091	NYSE	BKH	Mon, Sep 23, 1996	17.17	17.17	16.67	16.67
1090	NYSE	BKH	Fri, Sep 20, 1996	17.08	17.25	17.00	17.25
1089	NYSE	BKH	Thu, Sep 19, 1996	17.17	17.25	17.17	17.17
1088	NYSE	BKH	Wed, Sep 18, 1996	17.25	17.25	17.17	17.25
1087	NYSE	BKH	Tue, Sep 17, 1996	17.08	17.25	17.08	17.17
1086	NYSE	BKH	Mon, Sep 16, 1996	17.17	17.25	17.17	17.25
1085	NYSE	BKH	Fri, Sep 13, 1996	16.92	17.25	16.92	17.17
1084	NYSE	BKH	Thu, Sep 12, 1996	16.67	16.83	16.67	16.83
1083	NYSE	BKH	Wed, Sep 11, 1996	16.92	16.92	16.67	16.67
1082	NYSE	BKH	Tue, Sep 10, 1996	17.00	17.08	16.83	16.92
1081	NYSE	BKH	Mon, Sep 9, 1996	16.83	17.08	16.83	17.00
1080	NYSE	BKH	Fri, Sep 6, 1996	17.17	17.25	17.08	17.08
1079	NYSE	BKH	Thu, Sep 5, 1996	17.08	17.25	17.08	17.17
1078	NYSE	BKH	Wed, Sep 4, 1996	16.83	17.25	16.83	17.08
1077	NYSE	BKH	Tue, Sep 3, 1996	16.67	16.83	16.67	16.67
1076	NYSE	BKH	Fri, Aug 30, 1996	16.75	16.83	16.67	16.67
1075	NYSE	BKH	Thu, Aug 29, 1996	16.50	16.83	16.50	16.75
1074	NYSE	BKH	Wed, Aug 28, 1996	16.17	16.50	16.08	16.42
1073	NYSE	BKH	Tue, Aug 27, 1996	16.08	16.25	16.08	16.17
1072	NYSE	BKH	Mon, Aug 26, 1996	16.00	16.17	16.00	16.08
1071	NYSE	BKH	Fri, Aug 23, 1996	16.00	16.08	15.92	16.00
1070	NYSE	BKH	Thu, Aug 22, 1996	15.83	16.00	15.83	15.92
1069	NYSE	BKH	Wed, Aug 21, 1996	15.83	15.83	15.83	15.83
1068	NYSE	BKH	Tue, Aug 20, 1996	15.92	15.92	15.83	15.83
1067	NYSE	BKH	Mon, Aug 19, 1996	15.58	15.92	15.58	15.92
1066	NYSE	BKH	Fri, Aug 16, 1996	15.58	15.67	15.58	15.67
1065	NYSE	BKH	Thu, Aug 15, 1996	15.50	15.67	15.50	15.67
1064	NYSE	BKH	Wed, Aug 14, 1996	15.58	15.58	15.50	15.58
1063	NYSE	BKH	Tue, Aug 13, 1996	15.83	15.92	15.75	15.83
1062	NYSE	BKH	Mon, Aug 12, 1996	16.00	16.00	15.75	15.75
1061	NYSE	BKH	Fri, Aug 9, 1996	15.92	15.92	15.83	15.92
1060	NYSE	BKH	Thu, Aug 8, 1996	15.83	16.00	15.83	15.83
1059	NYSE	BKH	Wed, Aug 7, 1996	15.67	15.92	15.67	15.83
1058	NYSE	BKH	Tue, Aug 6, 1996	16.08	16.08	15.50	15.67
1057	NYSE	BKH	Mon, Aug 5, 1996	16.08	16.17	16.00	16.00
1056	NYSE	BKH	Fri, Aug 2, 1996	15.83	16.08	15.83	16.08
1055	NYSE	BKH	Thu, Aug 1, 1996	15.50	15.75	15.50	15.67
1054	NYSE	BKH	Wed, Jul 31, 1996	15.33	15.42	15.25	15.33
1053	NYSE	BKH	Tue, Jul 30, 1996	15.33	15.33	15.33	15.33
1052	NYSE	BKH	Mon, Jul 29, 1996	15.33	15.33	15.25	15.25
1051	NYSE	BKH	Fri, Jul 26, 1996	15.25	15.33	15.17	15.25
1050	NYSE	BKH	Thu, Jul 25, 1996	15.33	15.42	15.25	15.33
1049	NYSE	BKH	Wed, Jul 24, 1996	15.42	15.42	15.33	15.33
1048	NYSE	BKH	Tue, Jul 23, 1996	15.50	15.50	15.42	15.42
1047	NYSE	BKH	Mon, Jul 22, 1996	15.42	15.50	15.42	15.50
1046	NYSE	BKH	Fri, Jul 19, 1996	15.67	15.67	15.50	15.50
1045	NYSE	BKH	Thu, Jul 18, 1996	15.83	15.83	15.67	15.67
1044	NYSE	BKH	Wed, Jul 17, 1996	15.75	15.75	15.67	15.67
1043	NYSE	BKH	Tue, Jul 16, 1996	15.83	15.92	15.75	15.83
1042	NYSE	BKH	Mon, Jul 15, 1996	16.00	16.00	15.83	15.83
1041	NYSE	BKH	Fri, Jul 12, 1996	15.92	16.17	15.92	16.00
1040	NYSE	BKH	Thu, Jul 11, 1996	15.83	15.92	15.83	15.92
1039	NYSE	BKH	Wed, Jul 10, 1996	16.08	16.17	15.92	15.92
1038	NYSE	BKH	Tue, Jul 9, 1996	16.25	16.42	16.25	16.25
1037	NYSE	BKH	Mon, Jul 8, 1996	16.33	16.42	16.17	16.25
1036	NYSE	BKH	Fri, Jul 5, 1996	16.67	16.67	16.42	16.42
1035	NYSE	BKH	Wed, Jul 3, 1996	16.58	16.67	16.58	16.67
1034	NYSE	BKH	Tue, Jul 2, 1996	16.42	16.67	16.33	16.58
1033	NYSE	BKH	Mon, Jul 1, 1996	16.58	16.58	16.33	16.42
1032	NYSE	BKH	Fri, Jun 28, 1996	16.08	16.58	16.00	16.58
1031	NYSE	BKH	Thu, Jun 27, 1996	16.08	16.08	15.83	15.92
1030	NYSE	BKH	Wed, Jun 26, 1996	15.83	16.00	15.83	15.92
1029	NYSE	BKH	Tue, Jun 25, 1996	15.83	16.00	15.75	15.83
1028	NYSE	BKH	Mon, Jun 24, 1996	15.83	15.92	15.83	15.83
1027	NYSE	BKH	Fri, Jun 21, 1996	15.75	16.00	15.75	15.83
1026	NYSE	BKH	Thu, Jun 20, 1996	16.17	16.17	15.75	15.75
1025	NYSE	BKH	Wed, Jun 19, 1996	16.17	16.17	16.08	16.08
1024	NYSE	BKH	Tue, Jun 18, 1996	16.25	16.25	16.08	16.17
1023	NYSE	BKH	Mon, Jun 17, 1996	16.42	16.42	16.25	16.25
1022	NYSE	BKH	Fri, Jun 14, 1996	16.42	16.42	16.33	16.42
1021	NYSE	BKH	Thu, Jun 13, 1996	16.00	16.50	16.00	16.33
1020	NYSE	BKH	Wed, Jun 12, 1996	15.92	16.00	15.92	16.00
1019	NYSE	BKH	Tue, Jun 11, 1996	15.75	16.00	15.75	15.75
1018	NYSE	BKH	Mon, Jun 10, 1996	15.75	15.83	15.75	15.83
1017	NYSE	BKH	Fri, Jun 7, 1996	16.00	16.08	15.92	15.92
1016	NYSE	BKH	Thu, Jun 6, 1996	16.08	16.17	15.92	16.00
1015	NYSE	BKH	Wed, Jun 5, 1996	16.00	16.17	15.92	16.00
1014	NYSE	BKH	Tue, Jun 4, 1996	16.08	16.08	15.92	16.00
1013	NYSE	BKH	Mon, Jun 3, 1996	16.00	16.00	15.92	15.92
1012	NYSE	BKH	Fri, May 31, 1996	16.17	16.17	16.08	16.08
1011	NYSE	BKH	Thu, May 30, 1996	15.83	16.25	15.83	16.25
1010	NYSE	BKH	Wed, May 29, 1996	15.75	15.92	15.75	15.92
1009	NYSE	BKH	Tue, May 28, 1996	15.75	15.92	15.75	15.83
1008	NYSE	BKH	Fri, May 24, 1996	15.92	15.92	15.75	15.75
1007	NYSE	BKH	Thu, May 23, 1996	15.83	15.92	15.83	15.83
1006	NYSE	BKH	Wed, May 22, 1996	16.00	16.00	15.83	15.92
1005	NYSE	BKH	Tue, May 21, 1996	16.08	16.17	16.00	16.00
1004	NYSE	BKH	Mon, May 20, 1996	16.08	16.08	15.92	16.00
1003	NYSE	BKH	Fri, May 17, 1996	16.08	16.17	16.00	16.17
1002	NYSE	BKH	Thu, May 16, 1996	16.25	16.25	16.08	16.08
1001	NYSE	BKH	Wed, May 15, 1996	16.33	16.42	16.17	16.25
1000	NYSE	BKH	Tue, May 14, 1996	16.50	16.58	16.50	16.50
999	NYSE	BKH	Mon, May 13, 1996	16.42	16.50	16.42	16.42
998	NYSE	BKH	Fri, May 10, 1996	16.58	16.58	16.42	16.50
997	NYSE	BKH	Thu, May 9, 1996	16.50	16.58	16.42	16.50
996	NYSE	BKH	Wed, May 8, 1996	16.58	16.58	16.33	16.50
995	NYSE	BKH	Tue, May 7, 1996	16.58	16.67	16.58	16.58
994	NYSE	BKH	Mon, May 6, 1996	16.58	16.67	16.58	16.67
993	NYSE	BKH	Fri, May 3, 1996	16.58	16.67	16.50	16.58
992	NYSE	BKH	Thu, May 2, 1996	16.58	16.67	16.42	16.50
991	NYSE	BKH	Wed, May 1, 1996	16.67	16.67	16.58	16.58
990	NYSE	BKH	Tue, Apr 30, 1996	16.83	16.83	16.58	16.67
989	NYSE	BKH	Mon, Apr 29, 1996	17.08	17.08	16.92	17.00
988	NYSE	BKH	Fri, Apr 26, 1996	17.00	17.08	17.00	17.00
987	NYSE	BKH	Thu, Apr 25, 1996	17.08	17.08	16.83	16.92
986	NYSE	BKH	Wed, Apr 24, 1996	17.08	17.17	16.92	17.00
985	NYSE	BKH	Tue, Apr 23, 1996	17.17	17.17	16.83	17.00
984	NYSE	BKH	Mon, Apr 22, 1996	17.17	17.17	16.92	17.08
983	NYSE	BKH	Fri, Apr 19, 1996	17.50	17.50	17.25	17.33
982	NYSE	BKH	Thu, Apr 18, 1996	17.08	17.42	17.08	17.42
981	NYSE	BKH	Wed, Apr 17, 1996	17.17	17.17	17.08	17.08
980	NYSE	BKH	Tue, Apr 16, 1996	17.17	17.33	17.08	17.25
979	NYSE	BKH	Mon, Apr 15, 1996	16.75	17.00	16.75	17.00
978	NYSE	BKH	Fri, Apr 12, 1996	16.75	16.83	16.67	16.83
977	NYSE	BKH	Thu, Apr 11, 1996	16.67	16.67	16.58	16.67
976	NYSE	BKH	Wed, Apr 10, 1996	16.42	16.67	16.42	16.58
975	NYSE	BKH	Tue, Apr 9, 1996	16.33	16.58	16.33	16.50
974	NYSE	BKH	Mon, Apr 8, 1996	16.33	16.33	16.17	16.33
973	NYSE	BKH	Thu, Apr 4, 1996	16.42	16.42	16.33	16.42
972	NYSE	BKH	Wed, Apr 3, 1996	16.25	16.33	16.25	16.33
971	NYSE	BKH	Tue, Apr 2, 1996	16.25	16.33	16.25	16.25
970	NYSE	BKH	Mon, Apr 1, 1996	16.25	16.33	16.17	16.25
969	NYSE	BKH	Fri, Mar 29, 1996	16.08	16.17	16.00	16.17
968	NYSE	BKH	Thu, Mar 28, 1996	16.00	16.08	15.92	16.00
967	NYSE	BKH	Wed, Mar 27, 1996	16.00	16.08	16.00	16.08
966	NYSE	BKH	Tue, Mar 26, 1996	16.00	16.17	15.92	15.92
965	NYSE	BKH	Mon, Mar 25, 1996	15.92	15.92	15.83	15.92
964	NYSE	BKH	Fri, Mar 22, 1996	15.83	15.92	15.83	15.83
963	NYSE	BKH	Thu, Mar 21, 1996	15.83	16.00	15.83	15.83
962	NYSE	BKH	Wed, Mar 20, 1996	15.83	15.92	15.83	15.83
961	NYSE	BKH	Tue, Mar 19, 1996	15.75	16.00	15.75	16.00
960	NYSE	BKH	Mon, Mar 18, 1996	15.67	16.00	15.67	15.92
959	NYSE	BKH	Fri, Mar 15, 1996	15.67	15.75	15.50	15.75
958	NYSE	BKH	Thu, Mar 14, 1996	15.92	16.00	15.92	15.92
957	NYSE	BKH	Wed, Mar 13, 1996	16.08	16.08	15.92	15.92
956	NYSE	BKH	Tue, Mar 12, 1996	16.08	16.17	15.92	16.08
955	NYSE	BKH	Mon, Mar 11, 1996	16.58	16.58	16.17	16.17
954	NYSE	BKH	Fri, Mar 8, 1996	16.75	16.83	16.58	16.58
953	NYSE	BKH	Thu, Mar 7, 1996	17.00	17.00	16.75	16.92
952	NYSE	BKH	Wed, Mar 6, 1996	17.33	17.42	17.08	17.08
951	NYSE	BKH	Tue, Mar 5, 1996	17.42	17.50	17.33	17.33
950	NYSE	BKH	Mon, Mar 4, 1996	17.25	17.33	17.25	17.33
949	NYSE	BKH	Fri, Mar 1, 1996	17.25	17.25	17.17	17.17
948	NYSE	BKH	Thu, Feb 29, 1996	16.92	17.17	16.92	17.17
947	NYSE	BKH	Wed, Feb 28, 1996	17.00	17.08	16.92	17.00
946	NYSE	BKH	Tue, Feb 27, 1996	16.83	17.00	16.75	17.00
945	NYSE	BKH	Mon, Feb 26, 1996	16.83	16.92	16.75	16.92
944	NYSE	BKH	Fri, Feb 23, 1996	16.92	17.00	16.83	16.92
943	NYSE	BKH	Thu, Feb 22, 1996	16.83	16.92	16.83	16.92
942	NYSE	BKH	Wed, Feb 21, 1996	16.83	16.92	16.83	16.83
941	NYSE	BKH	Tue, Feb 20, 1996	16.67	16.83	16.67	16.83
940	NYSE	BKH	Fri, Feb 16, 1996	16.67	16.75	16.67	16.75
939	NYSE	BKH	Thu, Feb 15, 1996	16.67	16.75	16.67	16.67
938	NYSE	BKH	Wed, Feb 14, 1996	16.67	16.75	16.67	16.75
937	NYSE	BKH	Tue, Feb 13, 1996	16.75	17.00	16.75	16.92
936	NYSE	BKH	Mon, Feb 12, 1996	16.67	16.75	16.50	16.75
935	NYSE	BKH	Fri, Feb 9, 1996	16.67	16.67	16.50	16.50
934	NYSE	BKH	Thu, Feb 8, 1996	16.75	16.83	16.50	16.50
933	NYSE	BKH	Wed, Feb 7, 1996	16.75	16.75	16.42	16.58
932	NYSE	BKH	Tue, Feb 6, 1996	16.33	16.75	16.33	16.75
931	NYSE	BKH	Mon, Feb 5, 1996	16.58	16.67	16.42	16.42
930	NYSE	BKH	Fri, Feb 2, 1996	16.75	16.75	16.58	16.58
929	NYSE	BKH	Thu, Feb 1, 1996	17.00	17.00	16.75	16.75
928	NYSE	BKH	Wed, Jan 31, 1996	16.92	17.00	16.83	17.00
927	NYSE	BKH	Tue, Jan 30, 1996	16.92	16.92	16.83	16.83
926	NYSE	BKH	Mon, Jan 29, 1996	17.00	17.08	16.92	17.00
925	NYSE	BKH	Fri, Jan 26, 1996	17.00	17.08	16.92	16.92
924	NYSE	BKH	Thu, Jan 25, 1996	17.00	17.08	17.00	17.00
923	NYSE	BKH	Wed, Jan 24, 1996	17.08	17.08	17.00	17.00
922	NYSE	BKH	Tue, Jan 23, 1996	16.92	17.08	16.92	17.00
921	NYSE	BKH	Mon, Jan 22, 1996	17.00	17.00	16.75	16.83
920	NYSE	BKH	Fri, Jan 19, 1996	17.00	17.00	16.83	17.00
919	NYSE	BKH	Thu, Jan 18, 1996	16.67	16.83	16.67	16.83
918	NYSE	BKH	Wed, Jan 17, 1996	16.67	16.75	16.50	16.75
917	NYSE	BKH	Tue, Jan 16, 1996	16.67	16.67	16.50	16.50
916	NYSE	BKH	Mon, Jan 15, 1996	16.33	16.50	16.33	16.50
915	NYSE	BKH	Fri, Jan 12, 1996	16.58	16.58	16.33	16.42
914	NYSE	BKH	Thu, Jan 11, 1996	16.42	16.58	16.33	16.58
913	NYSE	BKH	Wed, Jan 10, 1996	16.50	16.50	16.33	16.42
912	NYSE	BKH	Tue, Jan 9, 1996	16.58	16.58	16.42	16.42
911	NYSE	BKH	Mon, Jan 8, 1996	16.58	16.58	16.50	16.50
910	NYSE	BKH	Fri, Jan 5, 1996	16.75	16.75	16.50	16.58
909	NYSE	BKH	Thu, Jan 4, 1996	16.83	16.83	16.54	16.67
908	NYSE	BKH	Wed, Jan 3, 1996	16.75	16.92	16.67	16.67
907	NYSE	BKH	Tue, Jan 2, 1996	16.50	16.75	16.50	16.67
906	NYSE	BKH	Fri, Dec 29, 1995	17.17	17.25	16.50	16.50
905	NYSE	BKH	Thu, Dec 28, 1995	17.08	17.25	17.08	17.17
904	NYSE	BKH	Wed, Dec 27, 1995	16.92	17.17	16.92	17.08
903	NYSE	BKH	Tue, Dec 26, 1995	16.92	17.08	16.92	17.08
902	NYSE	BKH	Fri, Dec 22, 1995	17.00	17.08	17.00	17.08
901	NYSE	BKH	Thu, Dec 21, 1995	17.08	17.17	17.08	17.08
900	NYSE	BKH	Wed, Dec 20, 1995	16.92	17.33	16.92	17.08
899	NYSE	BKH	Tue, Dec 19, 1995	16.42	16.92	16.42	16.83
898	NYSE	BKH	Mon, Dec 18, 1995	16.58	16.67	16.42	16.50
897	NYSE	BKH	Fri, Dec 15, 1995	16.67	16.83	16.58	16.58
896	NYSE	BKH	Thu, Dec 14, 1995	16.67	16.75	16.67	16.75
895	NYSE	BKH	Wed, Dec 13, 1995	16.58	16.92	16.58	16.75
894	NYSE	BKH	Tue, Dec 12, 1995	16.58	16.67	16.50	16.58
893	NYSE	BKH	Mon, Dec 11, 1995	16.83	16.83	16.50	16.50
892	NYSE	BKH	Fri, Dec 8, 1995	17.08	17.08	16.67	16.75
891	NYSE	BKH	Thu, Dec 7, 1995	16.92	17.00	16.83	17.00
890	NYSE	BKH	Wed, Dec 6, 1995	17.25	17.42	16.92	16.92
889	NYSE	BKH	Tue, Dec 5, 1995	17.08	17.33	17.08	17.25
888	NYSE	BKH	Mon, Dec 4, 1995	17.00	17.25	17.00	17.17
887	NYSE	BKH	Fri, Dec 1, 1995	16.50	17.00	16.42	16.92
886	NYSE	BKH	Thu, Nov 30, 1995	16.33	16.50	16.25	16.50
885	NYSE	BKH	Wed, Nov 29, 1995	16.25	16.33	16.25	16.33
884	NYSE	BKH	Tue, Nov 28, 1995	16.42	16.42	16.17	16.25
883	NYSE	BKH	Mon, Nov 27, 1995	16.42	16.42	16.33	16.42
882	NYSE	BKH	Fri, Nov 24, 1995	16.42	16.42	16.42	16.42
881	NYSE	BKH	Wed, Nov 22, 1995	16.33	16.50	16.33	16.42
880	NYSE	BKH	Tue, Nov 21, 1995	16.42	16.58	16.33	16.50
879	NYSE	BKH	Mon, Nov 20, 1995	16.42	16.42	16.25	16.33
878	NYSE	BKH	Fri, Nov 17, 1995	16.42	16.50	16.33	16.42
877	NYSE	BKH	Thu, Nov 16, 1995	16.17	16.33	16.17	16.25
876	NYSE	BKH	Wed, Nov 15, 1995	16.42	16.42	16.17	16.17
875	NYSE	BKH	Tue, Nov 14, 1995	16.33	16.42	16.33	16.42
874	NYSE	BKH	Mon, Nov 13, 1995	16.33	16.42	16.33	16.42
873	NYSE	BKH	Fri, Nov 10, 1995	16.42	16.50	16.33	16.42
872	NYSE	BKH	Thu, Nov 9, 1995	16.50	16.58	16.42	16.42
871	NYSE	BKH	Wed, Nov 8, 1995	16.92	16.92	16.50	16.50
870	NYSE	BKH	Tue, Nov 7, 1995	17.17	17.17	17.00	17.08
869	NYSE	BKH	Mon, Nov 6, 1995	17.08	17.08	16.92	17.00
868	NYSE	BKH	Fri, Nov 3, 1995	17.08	17.08	16.92	17.00
867	NYSE	BKH	Thu, Nov 2, 1995	17.00	17.08	16.92	17.08
866	NYSE	BKH	Wed, Nov 1, 1995	16.83	17.08	16.83	17.08
865	NYSE	BKH	Tue, Oct 31, 1995	16.75	17.00	16.75	16.75
864	NYSE	BKH	Mon, Oct 30, 1995	16.75	16.92	16.75	16.92
863	NYSE	BKH	Fri, Oct 27, 1995	16.92	17.08	16.83	16.92
862	NYSE	BKH	Thu, Oct 26, 1995	17.08	17.25	17.00	17.00
861	NYSE	BKH	Wed, Oct 25, 1995	17.00	17.25	16.92	17.17
860	NYSE	BKH	Tue, Oct 24, 1995	17.00	17.08	16.75	16.92
859	NYSE	BKH	Mon, Oct 23, 1995	17.00	17.08	16.83	17.00
858	NYSE	BKH	Fri, Oct 20, 1995	16.92	17.08	16.83	17.00
857	NYSE	BKH	Thu, Oct 19, 1995	16.92	16.92	16.75	16.83
856	NYSE	BKH	Wed, Oct 18, 1995	16.67	17.00	16.67	16.83
855	NYSE	BKH	Tue, Oct 17, 1995	16.42	16.75	16.25	16.67
854	NYSE	BKH	Mon, Oct 16, 1995	16.25	16.42	16.17	16.25
853	NYSE	BKH	Fri, Oct 13, 1995	16.17	16.25	16.17	16.17
852	NYSE	BKH	Thu, Oct 12, 1995	16.08	16.17	16.08	16.08
851	NYSE	BKH	Wed, Oct 11, 1995	16.25	16.25	16.08	16.08
850	NYSE	BKH	Tue, Oct 10, 1995	16.25	16.42	16.08	16.42
849	NYSE	BKH	Mon, Oct 9, 1995	16.50	16.50	16.08	16.17
848	NYSE	BKH	Fri, Oct 6, 1995	16.58	16.58	16.33	16.50
847	NYSE	BKH	Thu, Oct 5, 1995	16.33	16.50	16.17	16.50
846	NYSE	BKH	Wed, Oct 4, 1995	16.33	16.33	16.17	16.33
845	NYSE	BKH	Tue, Oct 3, 1995	16.33	16.33	16.17	16.33
844	NYSE	BKH	Mon, Oct 2, 1995	16.50	16.67	16.25	16.42
843	NYSE	BKH	Fri, Sep 29, 1995	16.25	16.58	16.17	16.33
842	NYSE	BKH	Thu, Sep 28, 1995	16.58	16.58	16.33	16.33
841	NYSE	BKH	Wed, Sep 27, 1995	16.25	16.58	16.25	16.58
840	NYSE	BKH	Tue, Sep 26, 1995	16.17	16.33	16.08	16.33
839	NYSE	BKH	Mon, Sep 25, 1995	16.25	16.25	16.08	16.25
838	NYSE	BKH	Fri, Sep 22, 1995	16.42	16.42	16.25	16.33
837	NYSE	BKH	Thu, Sep 21, 1995	16.33	16.42	16.25	16.42
836	NYSE	BKH	Wed, Sep 20, 1995	16.42	16.50	16.25	16.25
835	NYSE	BKH	Tue, Sep 19, 1995	16.50	16.67	16.42	16.58
834	NYSE	BKH	Mon, Sep 18, 1995	16.50	16.75	16.42	16.58
833	NYSE	BKH	Fri, Sep 15, 1995	16.75	16.75	16.42	16.58
832	NYSE	BKH	Thu, Sep 14, 1995	16.92	16.92	16.67	16.67
831	NYSE	BKH	Wed, Sep 13, 1995	16.75	17.08	16.75	16.92
830	NYSE	BKH	Tue, Sep 12, 1995	16.67	16.67	16.50	16.67
829	NYSE	BKH	Mon, Sep 11, 1995	17.17	17.25	16.83	16.83
828	NYSE	BKH	Fri, Sep 8, 1995	16.67	17.17	16.67	17.08
827	NYSE	BKH	Thu, Sep 7, 1995	16.58	16.83	16.58	16.83
826	NYSE	BKH	Wed, Sep 6, 1995	16.50	16.67	16.50	16.58
825	NYSE	BKH	Tue, Sep 5, 1995	16.25	16.50	16.25	16.50
824	NYSE	BKH	Fri, Sep 1, 1995	16.08	16.17	16.00	16.17
823	NYSE	BKH	Thu, Aug 31, 1995	16.08	16.33	16.00	16.17
822	NYSE	BKH	Wed, Aug 30, 1995	16.08	16.25	16.00	16.08
821	NYSE	BKH	Tue, Aug 29, 1995	16.08	16.08	16.00	16.08
820	NYSE	BKH	Mon, Aug 28, 1995	16.00	16.17	16.00	16.00
819	NYSE	BKH	Fri, Aug 25, 1995	16.00	16.00	15.92	15.92
818	NYSE	BKH	Thu, Aug 24, 1995	15.83	16.00	15.83	16.00
817	NYSE	BKH	Wed, Aug 23, 1995	15.75	15.83	15.75	15.83
816	NYSE	BKH	Tue, Aug 22, 1995	15.92	15.92	15.67	15.75
815	NYSE	BKH	Mon, Aug 21, 1995	16.00	16.08	15.75	15.83
814	NYSE	BKH	Fri, Aug 18, 1995	16.00	16.08	15.92	16.00
813	NYSE	BKH	Thu, Aug 17, 1995	15.75	15.92	15.75	15.92
812	NYSE	BKH	Wed, Aug 16, 1995	15.50	15.67	15.50	15.67
811	NYSE	BKH	Tue, Aug 15, 1995	15.33	15.50	15.17	15.42
810	NYSE	BKH	Mon, Aug 14, 1995	15.58	15.75	15.17	15.25
809	NYSE	BKH	Fri, Aug 11, 1995	15.67	15.67	15.33	15.50
808	NYSE	BKH	Thu, Aug 10, 1995	15.42	15.67	15.42	15.67
807	NYSE	BKH	Wed, Aug 9, 1995	15.42	15.42	15.33	15.42
806	NYSE	BKH	Tue, Aug 8, 1995	15.67	15.67	15.42	15.50
805	NYSE	BKH	Mon, Aug 7, 1995	15.42	15.67	15.42	15.50
804	NYSE	BKH	Fri, Aug 4, 1995	15.67	15.67	15.25	15.33
803	NYSE	BKH	Thu, Aug 3, 1995	15.83	15.83	15.50	15.67
802	NYSE	BKH	Wed, Aug 2, 1995	16.00	16.08	15.75	15.75
801	NYSE	BKH	Tue, Aug 1, 1995	16.00	16.00	15.83	15.83
800	NYSE	BKH	Mon, Jul 31, 1995	16.08	16.17	15.92	16.00
799	NYSE	BKH	Fri, Jul 28, 1995	15.92	16.08	15.17	16.00
798	NYSE	BKH	Thu, Jul 27, 1995	15.83	15.92	15.67	15.83
797	NYSE	BKH	Wed, Jul 26, 1995	15.58	15.92	15.58	15.75
796	NYSE	BKH	Tue, Jul 25, 1995	15.17	15.58	15.17	15.58
795	NYSE	BKH	Mon, Jul 24, 1995	14.50	15.08	14.50	15.00
794	NYSE	BKH	Fri, Jul 21, 1995	14.33	14.42	14.33	14.33
793	NYSE	BKH	Thu, Jul 20, 1995	14.25	14.50	14.25	14.42
792	NYSE	BKH	Wed, Jul 19, 1995	14.17	14.33	14.00	14.08
791	NYSE	BKH	Tue, Jul 18, 1995	14.08	14.17	14.08	14.17
790	NYSE	BKH	Mon, Jul 17, 1995	14.00	14.17	14.00	14.17
789	NYSE	BKH	Fri, Jul 14, 1995	14.00	14.08	13.83	14.00
788	NYSE	BKH	Thu, Jul 13, 1995	13.92	14.17	13.92	14.08
787	NYSE	BKH	Wed, Jul 12, 1995	13.75	13.92	13.67	13.83
786	NYSE	BKH	Tue, Jul 11, 1995	13.50	13.67	13.42	13.50
785	NYSE	BKH	Mon, Jul 10, 1995	13.50	13.67	13.42	13.50
784	NYSE	BKH	Fri, Jul 7, 1995	13.33	13.58	13.25	13.50
783	NYSE	BKH	Thu, Jul 6, 1995	13.67	13.67	13.17	13.33
782	NYSE	BKH	Wed, Jul 5, 1995	14.08	14.17	13.58	13.58
781	NYSE	BKH	Mon, Jul 3, 1995	14.00	14.17	14.00	14.17
780	NYSE	BKH	Fri, Jun 30, 1995	14.25	14.25	14.00	14.00
779	NYSE	BKH	Thu, Jun 29, 1995	14.33	14.33	14.17	14.25
778	NYSE	BKH	Wed, Jun 28, 1995	14.42	14.58	14.42	14.42
777	NYSE	BKH	Tue, Jun 27, 1995	14.67	14.67	14.50	14.50
776	NYSE	BKH	Mon, Jun 26, 1995	14.67	14.67	14.58	14.58
775	NYSE	BKH	Fri, Jun 23, 1995	14.58	14.67	14.42	14.58
774	NYSE	BKH	Thu, Jun 22, 1995	14.50	14.75	14.50	14.58
773	NYSE	BKH	Wed, Jun 21, 1995	14.50	14.58	14.42	14.58
772	NYSE	BKH	Tue, Jun 20, 1995	14.33	14.67	14.33	14.42
771	NYSE	BKH	Mon, Jun 19, 1995	14.50	14.50	14.33	14.33
770	NYSE	BKH	Fri, Jun 16, 1995	14.50	14.67	14.42	14.50
769	NYSE	BKH	Thu, Jun 15, 1995	14.42	14.67	14.33	14.67
768	NYSE	BKH	Wed, Jun 14, 1995	14.58	14.58	14.33	14.42
767	NYSE	BKH	Tue, Jun 13, 1995	14.25	14.58	14.25	14.58
766	NYSE	BKH	Mon, Jun 12, 1995	14.50	14.58	14.17	14.25
765	NYSE	BKH	Fri, Jun 9, 1995	15.17	15.17	14.42	14.42
764	NYSE	BKH	Thu, Jun 8, 1995	15.25	15.25	15.08	15.25
763	NYSE	BKH	Wed, Jun 7, 1995	15.25	15.33	15.08	15.17
762	NYSE	BKH	Tue, Jun 6, 1995	15.00	15.25	15.00	15.25
761	NYSE	BKH	Mon, Jun 5, 1995	14.92	15.08	14.92	15.08
760	NYSE	BKH	Fri, Jun 2, 1995	14.67	14.92	14.67	14.83
759	NYSE	BKH	Thu, Jun 1, 1995	14.33	14.50	14.33	14.50
758	NYSE	BKH	Wed, May 31, 1995	14.33	14.50	14.33	14.42
757	NYSE	BKH	Tue, May 30, 1995	14.25	14.42	14.17	14.17
756	NYSE	BKH	Fri, May 26, 1995	14.33	14.33	14.25	14.25
755	NYSE	BKH	Thu, May 25, 1995	14.42	14.42	14.17	14.33
754	NYSE	BKH	Wed, May 24, 1995	14.25	14.42	14.25	14.33
753	NYSE	BKH	Tue, May 23, 1995	14.25	14.25	14.00	14.25
752	NYSE	BKH	Mon, May 22, 1995	14.08	14.25	14.00	14.17
751	NYSE	BKH	Fri, May 19, 1995	14.00	14.08	13.83	14.00
750	NYSE	BKH	Thu, May 18, 1995	14.17	14.17	14.00	14.08
749	NYSE	BKH	Wed, May 17, 1995	14.42	14.50	14.17	14.17
748	NYSE	BKH	Tue, May 16, 1995	14.25	14.33	14.25	14.33
747	NYSE	BKH	Mon, May 15, 1995	14.17	14.33	14.17	14.17
746	NYSE	BKH	Fri, May 12, 1995	13.83	14.25	13.83	14.17
745	NYSE	BKH	Thu, May 11, 1995	13.75	13.83	13.67	13.75
744	NYSE	BKH	Wed, May 10, 1995	13.67	13.67	13.50	13.67
743	NYSE	BKH	Tue, May 9, 1995	13.67	13.75	13.50	13.50
742	NYSE	BKH	Mon, May 8, 1995	13.67	13.92	13.67	13.83
741	NYSE	BKH	Fri, May 5, 1995	13.92	14.00	13.83	14.00
740	NYSE	BKH	Thu, May 4, 1995	14.50	14.50	13.92	14.00
739	NYSE	BKH	Wed, May 3, 1995	14.58	14.58	14.42	14.50
738	NYSE	BKH	Tue, May 2, 1995	14.67	14.67	14.58	14.67
737	NYSE	BKH	Mon, May 1, 1995	14.67	14.75	14.58	14.67
736	NYSE	BKH	Fri, Apr 28, 1995	14.67	14.67	14.58	14.67
735	NYSE	BKH	Thu, Apr 27, 1995	14.67	14.83	14.67	14.67
734	NYSE	BKH	Wed, Apr 26, 1995	14.67	14.75	14.58	14.58
733	NYSE	BKH	Tue, Apr 25, 1995	15.17	15.17	14.75	14.83
732	NYSE	BKH	Mon, Apr 24, 1995	15.17	15.17	15.00	15.08
731	NYSE	BKH	Fri, Apr 21, 1995	15.17	15.25	15.00	15.17
730	NYSE	BKH	Thu, Apr 20, 1995	15.33	15.50	15.17	15.25
729	NYSE	BKH	Wed, Apr 19, 1995	15.08	15.17	14.92	15.17
728	NYSE	BKH	Tue, Apr 18, 1995	15.08	15.08	15.00	15.00
727	NYSE	BKH	Mon, Apr 17, 1995	15.17	15.17	15.00	15.17
726	NYSE	BKH	Thu, Apr 13, 1995	15.08	15.17	15.08	15.17
725	NYSE	BKH	Wed, Apr 12, 1995	15.08	15.08	15.00	15.00
724	NYSE	BKH	Tue, Apr 11, 1995	15.17	15.17	15.08	15.17
723	NYSE	BKH	Mon, Apr 10, 1995	15.42	15.42	15.17	15.17
722	NYSE	BKH	Fri, Apr 7, 1995	15.67	15.75	15.33	15.33
721	NYSE	BKH	Thu, Apr 6, 1995	15.50	15.67	15.33	15.67
720	NYSE	BKH	Wed, Apr 5, 1995	15.25	15.58	15.17	15.58
719	NYSE	BKH	Tue, Apr 4, 1995	15.17	15.33	15.08	15.33
718	NYSE	BKH	Mon, Apr 3, 1995	15.00	15.17	14.83	15.17
717	NYSE	BKH	Fri, Mar 31, 1995	15.17	15.17	15.00	15.00
716	NYSE	BKH	Thu, Mar 30, 1995	15.08	15.25	15.08	15.25
715	NYSE	BKH	Wed, Mar 29, 1995	15.25	15.25	14.92	15.08
714	NYSE	BKH	Tue, Mar 28, 1995	15.42	15.42	15.17	15.17
713	NYSE	BKH	Mon, Mar 27, 1995	15.58	15.58	15.25	15.33
712	NYSE	BKH	Fri, Mar 24, 1995	15.75	15.75	15.50	15.50
711	NYSE	BKH	Thu, Mar 23, 1995	15.75	15.92	15.75	15.83
710	NYSE	BKH	Wed, Mar 22, 1995	15.83	15.83	15.67	15.83
709	NYSE	BKH	Tue, Mar 21, 1995	15.58	15.75	15.50	15.75
708	NYSE	BKH	Mon, Mar 20, 1995	15.83	15.83	15.67	15.67
707	NYSE	BKH	Fri, Mar 17, 1995	15.75	15.83	15.75	15.83
706	NYSE	BKH	Thu, Mar 16, 1995	15.83	15.92	15.75	15.75
705	NYSE	BKH	Wed, Mar 15, 1995	15.42	15.75	15.42	15.75
704	NYSE	BKH	Tue, Mar 14, 1995	15.42	15.50	15.33	15.42
703	NYSE	BKH	Mon, Mar 13, 1995	15.42	15.42	15.25	15.33
702	NYSE	BKH	Fri, Mar 10, 1995	15.42	15.50	15.33	15.33
701	NYSE	BKH	Thu, Mar 9, 1995	15.50	15.50	15.33	15.33
700	NYSE	BKH	Wed, Mar 8, 1995	15.75	15.75	15.42	15.42
699	NYSE	BKH	Tue, Mar 7, 1995	15.67	15.75	15.67	15.67
698	NYSE	BKH	Mon, Mar 6, 1995	15.67	15.67	15.67	15.67
697	NYSE	BKH	Fri, Mar 3, 1995	15.75	15.75	15.58	15.67
696	NYSE	BKH	Thu, Mar 2, 1995	15.75	15.75	15.67	15.75
695	NYSE	BKH	Wed, Mar 1, 1995	15.67	15.67	15.42	15.50
694	NYSE	BKH	Tue, Feb 28, 1995	15.50	15.67	15.42	15.67
693	NYSE	BKH	Mon, Feb 27, 1995	15.42	15.67	15.42	15.50
692	NYSE	BKH	Fri, Feb 24, 1995	15.33	15.50	15.33	15.33
691	NYSE	BKH	Thu, Feb 23, 1995	15.25	15.33	15.17	15.25
690	NYSE	BKH	Wed, Feb 22, 1995	15.33	15.33	15.25	15.33
689	NYSE	BKH	Tue, Feb 21, 1995	15.42	15.50	15.17	15.25
688	NYSE	BKH	Fri, Feb 17, 1995	15.42	15.42	15.17	15.17
687	NYSE	BKH	Thu, Feb 16, 1995	15.83	15.92	15.58	15.58
686	NYSE	BKH	Wed, Feb 15, 1995	15.83	16.00	15.83	15.92
685	NYSE	BKH	Tue, Feb 14, 1995	16.00	16.00	15.83	15.83
684	NYSE	BKH	Mon, Feb 13, 1995	15.92	16.08	15.92	15.92
683	NYSE	BKH	Fri, Feb 10, 1995	15.92	16.00	15.67	15.92
682	NYSE	BKH	Thu, Feb 9, 1995	15.83	16.00	15.83	16.00
681	NYSE	BKH	Wed, Feb 8, 1995	15.92	16.08	15.92	15.92
680	NYSE	BKH	Tue, Feb 7, 1995	15.75	15.92	15.75	15.92
679	NYSE	BKH	Mon, Feb 6, 1995	15.67	15.83	15.58	15.75
678	NYSE	BKH	Fri, Feb 3, 1995	15.33	16.00	15.33	15.75
677	NYSE	BKH	Thu, Feb 2, 1995	14.83	15.25	14.83	15.17
676	NYSE	BKH	Wed, Feb 1, 1995	14.83	15.00	14.75	15.00
675	NYSE	BKH	Tue, Jan 31, 1995	14.25	14.67	14.25	14.67
674	NYSE	BKH	Mon, Jan 30, 1995	14.00	14.25	14.00	14.17
673	NYSE	BKH	Fri, Jan 27, 1995	13.92	14.08	13.92	14.00
672	NYSE	BKH	Thu, Jan 26, 1995	13.92	14.00	13.92	13.92
671	NYSE	BKH	Wed, Jan 25, 1995	13.92	14.00	13.83	14.00
670	NYSE	BKH	Tue, Jan 24, 1995	13.92	13.92	13.83	13.92
669	NYSE	BKH	Mon, Jan 23, 1995	14.08	14.08	13.83	13.92
668	NYSE	BKH	Fri, Jan 20, 1995	14.25	14.25	14.00	14.08
667	NYSE	BKH	Thu, Jan 19, 1995	14.25	14.33	14.25	14.25
666	NYSE	BKH	Wed, Jan 18, 1995	14.33	14.42	14.25	14.42
665	NYSE	BKH	Tue, Jan 17, 1995	14.17	14.42	14.08	14.42
664	NYSE	BKH	Mon, Jan 16, 1995	14.00	14.25	14.00	14.25
663	NYSE	BKH	Fri, Jan 13, 1995	14.00	14.08	13.92	14.00
662	NYSE	BKH	Thu, Jan 12, 1995	14.00	14.00	13.83	13.92
661	NYSE	BKH	Wed, Jan 11, 1995	13.92	14.00	13.75	13.92
660	NYSE	BKH	Tue, Jan 10, 1995	13.92	13.92	13.83	13.92
659	NYSE	BKH	Mon, Jan 9, 1995	14.00	14.00	13.83	13.83
658	NYSE	BKH	Fri, Jan 6, 1995	14.08	14.08	13.75	13.92
657	NYSE	BKH	Thu, Jan 5, 1995	14.17	14.17	14.00	14.08
656	NYSE	BKH	Wed, Jan 4, 1995	14.08	14.25	14.00	14.25
655	NYSE	BKH	Tue, Jan 3, 1995	14.17	14.17	14.00	14.00
654	NYSE	BKH	Fri, Dec 30, 1994	14.25	14.25	13.92	14.25
653	NYSE	BKH	Thu, Dec 29, 1994	14.00	14.17	13.92	14.08
652	NYSE	BKH	Wed, Dec 28, 1994	14.00	14.08	14.00	14.00
651	NYSE	BKH	Tue, Dec 27, 1994	13.83	14.00	13.83	14.00
650	NYSE	BKH	Fri, Dec 23, 1994	13.67	13.92	13.67	13.92
649	NYSE	BKH	Thu, Dec 22, 1994	13.58	13.75	13.58	13.75
648	NYSE	BKH	Wed, Dec 21, 1994	13.67	13.92	13.67	13.92
647	NYSE	BKH	Tue, Dec 20, 1994	13.75	13.92	13.58	13.75
646	NYSE	BKH	Mon, Dec 19, 1994	14.00	14.00	13.83	13.83
645	NYSE	BKH	Fri, Dec 16, 1994	14.00	14.00	13.92	13.92
644	NYSE	BKH	Thu, Dec 15, 1994	14.33	14.42	13.92	14.00
643	NYSE	BKH	Wed, Dec 14, 1994	14.25	14.58	14.25	14.50
642	NYSE	BKH	Tue, Dec 13, 1994	14.17	14.33	14.17	14.33
641	NYSE	BKH	Mon, Dec 12, 1994	14.58	14.67	14.33	14.33
640	NYSE	BKH	Fri, Dec 9, 1994	14.25	14.83	14.25	14.67
639	NYSE	BKH	Thu, Dec 8, 1994	13.67	14.33	13.67	14.17
638	NYSE	BKH	Wed, Dec 7, 1994	13.42	13.50	13.25	13.50
637	NYSE	BKH	Tue, Dec 6, 1994	13.33	13.42	13.25	13.42
636	NYSE	BKH	Mon, Dec 5, 1994	13.17	13.42	13.17	13.42
635	NYSE	BKH	Fri, Dec 2, 1994	13.33	13.33	13.25	13.25
634	NYSE	BKH	Thu, Dec 1, 1994	13.08	13.25	13.08	13.17
633	NYSE	BKH	Wed, Nov 30, 1994	12.75	13.08	12.67	13.08
632	NYSE	BKH	Tue, Nov 29, 1994	12.50	12.75	12.50	12.67
631	NYSE	BKH	Mon, Nov 28, 1994	12.58	12.67	12.42	12.67
630	NYSE	BKH	Fri, Nov 25, 1994	12.67	12.67	12.50	12.67
629	NYSE	BKH	Wed, Nov 23, 1994	12.50	12.67	12.50	12.67
628	NYSE	BKH	Tue, Nov 22, 1994	12.75	12.83	12.58	12.67
627	NYSE	BKH	Mon, Nov 21, 1994	12.75	12.75	12.58	12.67
626	NYSE	BKH	Fri, Nov 18, 1994	12.92	12.92	12.67	12.67
625	NYSE	BKH	Thu, Nov 17, 1994	12.92	13.00	12.83	12.83
624	NYSE	BKH	Wed, Nov 16, 1994	12.50	12.92	12.42	12.92
623	NYSE	BKH	Tue, Nov 15, 1994	12.17	12.33	12.08	12.33
622	NYSE	BKH	Mon, Nov 14, 1994	12.50	12.50	11.83	12.00
621	NYSE	BKH	Fri, Nov 11, 1994	12.83	12.83	12.42	12.50
620	NYSE	BKH	Thu, Nov 10, 1994	12.92	13.00	12.75	12.75
619	NYSE	BKH	Wed, Nov 9, 1994	13.17	13.17	12.92	12.92
618	NYSE	BKH	Tue, Nov 8, 1994	13.08	13.17	13.00	13.08
617	NYSE	BKH	Mon, Nov 7, 1994	13.17	13.25	13.17	13.25
616	NYSE	BKH	Fri, Nov 4, 1994	13.25	13.33	13.17	13.17
615	NYSE	BKH	Thu, Nov 3, 1994	13.50	13.58	13.33	13.50
614	NYSE	BKH	Wed, Nov 2, 1994	13.42	13.50	13.33	13.50
613	NYSE	BKH	Tue, Nov 1, 1994	13.67	13.75	13.58	13.58
612	NYSE	BKH	Mon, Oct 31, 1994	13.67	13.83	13.58	13.67
611	NYSE	BKH	Fri, Oct 28, 1994	13.33	13.58	13.33	13.58
610	NYSE	BKH	Thu, Oct 27, 1994	13.25	13.33	13.25	13.33
609	NYSE	BKH	Wed, Oct 26, 1994	13.25	13.33	13.17	13.33
608	NYSE	BKH	Tue, Oct 25, 1994	13.17	13.17	13.08	13.17
607	NYSE	BKH	Mon, Oct 24, 1994	13.25	13.25	13.17	13.17
606	NYSE	BKH	Fri, Oct 21, 1994	13.33	13.42	13.25	13.25
605	NYSE	BKH	Thu, Oct 20, 1994	13.42	13.42	13.33	13.42
604	NYSE	BKH	Wed, Oct 19, 1994	13.25	13.42	13.25	13.42
603	NYSE	BKH	Tue, Oct 18, 1994	13.25	13.33	13.25	13.33
602	NYSE	BKH	Mon, Oct 17, 1994	13.42	13.42	13.25	13.42
601	NYSE	BKH	Fri, Oct 14, 1994	13.42	13.42	13.25	13.33
600	NYSE	BKH	Thu, Oct 13, 1994	13.25	13.42	13.25	13.42
599	NYSE	BKH	Wed, Oct 12, 1994	13.50	13.50	13.33	13.33
598	NYSE	BKH	Tue, Oct 11, 1994	13.42	13.50	13.33	13.50
597	NYSE	BKH	Mon, Oct 10, 1994	13.33	13.33	13.25	13.25
596	NYSE	BKH	Fri, Oct 7, 1994	13.25	13.33	13.17	13.33
595	NYSE	BKH	Thu, Oct 6, 1994	13.25	13.25	13.17	13.17
594	NYSE	BKH	Wed, Oct 5, 1994	13.25	13.25	13.08	13.17
593	NYSE	BKH	Tue, Oct 4, 1994	13.33	13.33	13.17	13.17
592	NYSE	BKH	Mon, Oct 3, 1994	13.33	13.33	13.25	13.25
591	NYSE	BKH	Fri, Sep 30, 1994	13.33	13.33	13.25	13.25
590	NYSE	BKH	Thu, Sep 29, 1994	13.42	13.42	13.25	13.25
589	NYSE	BKH	Wed, Sep 28, 1994	13.50	13.50	13.33	13.42
588	NYSE	BKH	Tue, Sep 27, 1994	13.33	13.58	13.33	13.50
587	NYSE	BKH	Mon, Sep 26, 1994	13.17	13.42	13.17	13.42
586	NYSE	BKH	Fri, Sep 23, 1994	13.08	13.25	13.08	13.17
585	NYSE	BKH	Thu, Sep 22, 1994	12.92	13.08	12.92	13.08
584	NYSE	BKH	Wed, Sep 21, 1994	13.17	13.17	12.92	12.92
583	NYSE	BKH	Tue, Sep 20, 1994	13.17	13.33	13.17	13.25
582	NYSE	BKH	Mon, Sep 19, 1994	13.33	13.42	13.25	13.33
581	NYSE	BKH	Fri, Sep 16, 1994	13.50	13.50	13.25	13.33
580	NYSE	BKH	Thu, Sep 15, 1994	13.42	13.50	13.33	13.50
579	NYSE	BKH	Wed, Sep 14, 1994	13.42	13.50	13.42	13.42
578	NYSE	BKH	Tue, Sep 13, 1994	13.42	13.50	13.33	13.50
577	NYSE	BKH	Mon, Sep 12, 1994	13.33	13.50	13.33	13.33
576	NYSE	BKH	Fri, Sep 9, 1994	13.50	13.58	13.33	13.33
575	NYSE	BKH	Thu, Sep 8, 1994	13.67	13.67	13.50	13.50
574	NYSE	BKH	Wed, Sep 7, 1994	13.50	13.67	13.42	13.67
573	NYSE	BKH	Tue, Sep 6, 1994	13.58	13.58	13.33	13.42
572	NYSE	BKH	Fri, Sep 2, 1994	13.83	13.83	13.50	13.50
571	NYSE	BKH	Thu, Sep 1, 1994	13.67	13.83	13.58	13.58
570	NYSE	BKH	Wed, Aug 31, 1994	13.75	13.83	13.67	13.83
569	NYSE	BKH	Tue, Aug 30, 1994	13.50	13.58	13.42	13.58
568	NYSE	BKH	Mon, Aug 29, 1994	13.42	13.67	13.42	13.58
567	NYSE	BKH	Fri, Aug 26, 1994	13.50	13.50	13.33	13.42
566	NYSE	BKH	Thu, Aug 25, 1994	13.33	13.42	13.25	13.33
565	NYSE	BKH	Wed, Aug 24, 1994	13.33	13.33	13.17	13.33
564	NYSE	BKH	Tue, Aug 23, 1994	13.08	13.33	13.00	13.33
563	NYSE	BKH	Mon, Aug 22, 1994	12.92	13.00	12.92	13.00
562	NYSE	BKH	Fri, Aug 19, 1994	12.75	12.92	12.75	12.92
561	NYSE	BKH	Thu, Aug 18, 1994	12.50	12.75	12.50	12.75
560	NYSE	BKH	Wed, Aug 17, 1994	12.75	12.75	12.50	12.50
559	NYSE	BKH	Tue, Aug 16, 1994	12.67	12.83	12.58	12.67
558	NYSE	BKH	Mon, Aug 15, 1994	12.67	12.75	12.42	12.75
557	NYSE	BKH	Fri, Aug 12, 1994	12.83	12.83	12.75	12.83
556	NYSE	BKH	Thu, Aug 11, 1994	12.83	12.92	12.75	12.83
555	NYSE	BKH	Wed, Aug 10, 1994	13.17	13.17	13.00	13.00
554	NYSE	BKH	Tue, Aug 9, 1994	13.00	13.25	13.00	13.08
553	NYSE	BKH	Mon, Aug 8, 1994	13.00	13.00	12.83	13.00
552	NYSE	BKH	Fri, Aug 5, 1994	13.25	13.25	13.08	13.17
551	NYSE	BKH	Thu, Aug 4, 1994	13.67	13.67	13.17	13.25
550	NYSE	BKH	Wed, Aug 3, 1994	13.67	13.67	13.58	13.58
549	NYSE	BKH	Tue, Aug 2, 1994	13.67	13.75	13.50	13.58
548	NYSE	BKH	Mon, Aug 1, 1994	13.33	13.67	13.00	13.67
547	NYSE	BKH	Fri, Jul 29, 1994	13.33	13.42	13.33	13.42
546	NYSE	BKH	Thu, Jul 28, 1994	13.33	13.42	13.33	13.42
545	NYSE	BKH	Wed, Jul 27, 1994	13.42	13.42	13.33	13.42
544	NYSE	BKH	Tue, Jul 26, 1994	13.50	13.50	13.25	13.33
543	NYSE	BKH	Mon, Jul 25, 1994	13.00	13.50	13.00	13.42
542	NYSE	BKH	Fri, Jul 22, 1994	13.00	13.00	12.92	13.00
541	NYSE	BKH	Thu, Jul 21, 1994	13.08	13.08	12.92	13.00
540	NYSE	BKH	Wed, Jul 20, 1994	12.83	13.17	12.83	13.08
539	NYSE	BKH	Tue, Jul 19, 1994	13.00	13.08	12.67	12.75
538	NYSE	BKH	Mon, Jul 18, 1994	12.58	12.67	12.50	12.67
537	NYSE	BKH	Fri, Jul 15, 1994	12.42	12.50	12.33	12.42
536	NYSE	BKH	Thu, Jul 14, 1994	12.33	12.58	12.25	12.50
535	NYSE	BKH	Wed, Jul 13, 1994	12.17	12.33	12.17	12.33
534	NYSE	BKH	Tue, Jul 12, 1994	12.33	12.33	12.17	12.25
533	NYSE	BKH	Mon, Jul 11, 1994	12.17	12.25	12.08	12.25
532	NYSE	BKH	Fri, Jul 8, 1994	12.08	12.33	12.08	12.17
531	NYSE	BKH	Thu, Jul 7, 1994	12.00	12.25	12.00	12.00
530	NYSE	BKH	Wed, Jul 6, 1994	12.17	12.25	11.92	12.00
529	NYSE	BKH	Tue, Jul 5, 1994	12.42	12.50	12.08	12.17
528	NYSE	BKH	Fri, Jul 1, 1994	12.25	12.42	12.25	12.42
527	NYSE	BKH	Thu, Jun 30, 1994	12.25	12.42	12.17	12.25
526	NYSE	BKH	Wed, Jun 29, 1994	12.83	12.83	12.17	12.42
525	NYSE	BKH	Tue, Jun 28, 1994	12.92	12.92	12.83	12.83
524	NYSE	BKH	Mon, Jun 27, 1994	13.08	13.08	12.83	13.00
523	NYSE	BKH	Fri, Jun 24, 1994	13.25	13.25	13.08	13.08
522	NYSE	BKH	Thu, Jun 23, 1994	13.17	13.50	13.17	13.33
521	NYSE	BKH	Wed, Jun 22, 1994	13.00	13.17	13.00	13.17
520	NYSE	BKH	Tue, Jun 21, 1994	13.25	13.25	12.92	13.08
519	NYSE	BKH	Mon, Jun 20, 1994	13.92	13.92	13.17	13.25
518	NYSE	BKH	Fri, Jun 17, 1994	13.92	13.92	13.83	13.83
517	NYSE	BKH	Thu, Jun 16, 1994	13.83	13.92	13.67	13.92
516	NYSE	BKH	Wed, Jun 15, 1994	13.58	13.83	13.58	13.67
515	NYSE	BKH	Tue, Jun 14, 1994	13.75	13.92	13.58	13.58
514	NYSE	BKH	Mon, Jun 13, 1994	13.83	13.83	13.58	13.75
513	NYSE	BKH	Fri, Jun 10, 1994	13.75	13.92	13.75	13.75
512	NYSE	BKH	Thu, Jun 9, 1994	14.08	14.17	13.92	13.92
511	NYSE	BKH	Wed, Jun 8, 1994	14.08	14.08	14.00	14.08
510	NYSE	BKH	Tue, Jun 7, 1994	14.42	14.42	14.00	14.00
509	NYSE	BKH	Mon, Jun 6, 1994	14.33	14.33	14.08	14.33
508	NYSE	BKH	Fri, Jun 3, 1994	14.00	14.17	13.92	14.17
507	NYSE	BKH	Thu, Jun 2, 1994	14.00	14.00	13.83	13.83
506	NYSE	BKH	Wed, Jun 1, 1994	14.08	14.08	13.92	13.92
505	NYSE	BKH	Tue, May 31, 1994	14.08	14.08	13.92	13.92
504	NYSE	BKH	Fri, May 27, 1994	13.92	14.00	13.83	14.00
503	NYSE	BKH	Thu, May 26, 1994	13.83	14.00	13.83	14.00
502	NYSE	BKH	Wed, May 25, 1994	13.75	13.92	13.75	13.92
501	NYSE	BKH	Tue, May 24, 1994	13.83	13.83	13.67	13.67
500	NYSE	BKH	Mon, May 23, 1994	13.83	14.00	13.75	14.00
499	NYSE	BKH	Fri, May 20, 1994	14.25	14.25	13.92	14.00
498	NYSE	BKH	Thu, May 19, 1994	14.00	14.25	14.00	14.25
497	NYSE	BKH	Wed, May 18, 1994	13.67	14.00	13.58	14.00
496	NYSE	BKH	Tue, May 17, 1994	13.50	13.67	13.50	13.67
495	NYSE	BKH	Mon, May 16, 1994	13.42	13.58	13.42	13.50
494	NYSE	BKH	Fri, May 13, 1994	13.50	13.50	13.42	13.42
493	NYSE	BKH	Thu, May 12, 1994	13.58	13.75	13.50	13.67
492	NYSE	BKH	Wed, May 11, 1994	13.92	13.92	13.42	13.42
491	NYSE	BKH	Tue, May 10, 1994	13.75	14.25	13.75	13.92
490	NYSE	BKH	Mon, May 9, 1994	14.33	14.33	13.92	13.92
489	NYSE	BKH	Fri, May 6, 1994	14.58	14.67	14.50	14.50
488	NYSE	BKH	Thu, May 5, 1994	14.50	14.67	14.50	14.50
487	NYSE	BKH	Wed, May 4, 1994	14.67	14.67	14.50	14.58
486	NYSE	BKH	Tue, May 3, 1994	14.67	14.75	14.58	14.58
485	NYSE	BKH	Mon, May 2, 1994	14.75	14.75	14.58	14.75
484	NYSE	BKH	Fri, Apr 29, 1994	14.58	14.67	14.50	14.67
483	NYSE	BKH	Thu, Apr 28, 1994	14.75	14.75	14.50	14.58
482	NYSE	BKH	Tue, Apr 26, 1994	14.75	14.75	14.58	14.58
481	NYSE	BKH	Mon, Apr 25, 1994	14.58	14.75	14.50	14.50
480	NYSE	BKH	Fri, Apr 22, 1994	14.58	14.75	14.58	14.58
479	NYSE	BKH	Thu, Apr 21, 1994	14.42	14.58	14.33	14.50
478	NYSE	BKH	Wed, Apr 20, 1994	14.25	14.42	14.25	14.42
477	NYSE	BKH	Tue, Apr 19, 1994	14.17	14.33	14.08	14.33
476	NYSE	BKH	Mon, Apr 18, 1994	14.17	14.25	14.00	14.25
475	NYSE	BKH	Fri, Apr 15, 1994	14.08	14.17	14.08	14.08
474	NYSE	BKH	Thu, Apr 14, 1994	14.17	14.17	14.00	14.08
473	NYSE	BKH	Wed, Apr 13, 1994	14.08	14.25	14.08	14.08
472	NYSE	BKH	Tue, Apr 12, 1994	14.08	14.17	14.00	14.17
471	NYSE	BKH	Mon, Apr 11, 1994	14.25	14.25	14.08	14.08
470	NYSE	BKH	Fri, Apr 8, 1994	14.33	14.42	14.17	14.17
469	NYSE	BKH	Thu, Apr 7, 1994	14.00	14.33	14.00	14.33
468	NYSE	BKH	Wed, Apr 6, 1994	14.17	14.17	13.92	14.08
467	NYSE	BKH	Tue, Apr 5, 1994	14.08	14.25	13.92	14.08
466	NYSE	BKH	Mon, Apr 4, 1994	14.08	14.33	13.92	14.00
465	NYSE	BKH	Thu, Mar 31, 1994	14.42	14.42	14.08	14.08
464	NYSE	BKH	Wed, Mar 30, 1994	14.42	14.42	14.17	14.33
463	NYSE	BKH	Tue, Mar 29, 1994	14.25	14.50	14.25	14.33
462	NYSE	BKH	Mon, Mar 28, 1994	14.33	14.42	14.00	14.42
461	NYSE	BKH	Fri, Mar 25, 1994	14.33	14.50	14.33	14.42
460	NYSE	BKH	Thu, Mar 24, 1994	14.25	14.42	14.25	14.33
459	NYSE	BKH	Wed, Mar 23, 1994	14.42	14.50	14.33	14.33
458	NYSE	BKH	Tue, Mar 22, 1994	14.67	14.67	14.42	14.42
457	NYSE	BKH	Mon, Mar 21, 1994	14.67	14.67	14.50	14.67
456	NYSE	BKH	Fri, Mar 18, 1994	14.67	14.75	14.58	14.67
455	NYSE	BKH	Thu, Mar 17, 1994	14.58	14.58	14.33	14.50
454	NYSE	BKH	Wed, Mar 16, 1994	14.33	14.50	14.33	14.50
453	NYSE	BKH	Tue, Mar 15, 1994	14.25	14.42	14.17	14.17
452	NYSE	BKH	Mon, Mar 14, 1994	14.25	14.33	14.08	14.33
451	NYSE	BKH	Fri, Mar 11, 1994	14.17	14.25	14.17	14.17
450	NYSE	BKH	Thu, Mar 10, 1994	14.42	14.42	14.17	14.25
449	NYSE	BKH	Wed, Mar 9, 1994	14.50	14.50	14.33	14.42
448	NYSE	BKH	Tue, Mar 8, 1994	14.33	14.42	14.33	14.33
447	NYSE	BKH	Mon, Mar 7, 1994	14.42	14.50	14.33	14.42
446	NYSE	BKH	Fri, Mar 4, 1994	14.25	14.67	14.25	14.33
445	NYSE	BKH	Thu, Mar 3, 1994	14.67	14.67	14.25	14.33
444	NYSE	BKH	Wed, Mar 2, 1994	14.50	14.75	14.33	14.67
443	NYSE	BKH	Tue, Mar 1, 1994	14.17	14.42	14.17	14.33
442	NYSE	BKH	Mon, Feb 28, 1994	14.42	14.42	14.25	14.33
441	NYSE	BKH	Fri, Feb 25, 1994	14.58	14.58	14.25	14.42
440	NYSE	BKH	Thu, Feb 24, 1994	14.58	14.75	14.50	14.58
439	NYSE	BKH	Wed, Feb 23, 1994	14.33	14.58	14.17	14.58
438	NYSE	BKH	Tue, Feb 22, 1994	14.17	14.33	14.17	14.33
437	NYSE	BKH	Fri, Feb 18, 1994	14.42	14.42	14.25	14.25
436	NYSE	BKH	Thu, Feb 17, 1994	14.17	14.33	14.08	14.25
435	NYSE	BKH	Wed, Feb 16, 1994	14.33	14.33	14.17	14.25
434	NYSE	BKH	Tue, Feb 15, 1994	14.25	14.33	14.08	14.33
433	NYSE	BKH	Mon, Feb 14, 1994	14.33	14.33	14.08	14.17
432	NYSE	BKH	Fri, Feb 11, 1994	14.25	14.33	14.08	14.33
431	NYSE	BKH	Thu, Feb 10, 1994	14.25	14.25	14.17	14.25
430	NYSE	BKH	Wed, Feb 9, 1994	14.17	14.25	14.08	14.08
429	NYSE	BKH	Tue, Feb 8, 1994	14.50	14.50	14.25	14.25
428	NYSE	BKH	Mon, Feb 7, 1994	14.33	14.42	14.25	14.33
427	NYSE	BKH	Fri, Feb 4, 1994	14.75	14.75	14.50	14.50
426	NYSE	BKH	Thu, Feb 3, 1994	14.75	14.83	14.75	14.83
425	NYSE	BKH	Wed, Feb 2, 1994	14.67	14.75	14.58	14.58
424	NYSE	BKH	Tue, Feb 1, 1994	14.83	14.83	14.50	14.67
423	NYSE	BKH	Mon, Jan 31, 1994	14.92	15.08	14.83	15.00
422	NYSE	BKH	Fri, Jan 28, 1994	14.75	15.17	14.75	15.00
421	NYSE	BKH	Thu, Jan 27, 1994	14.75	14.83	14.58	14.75
420	NYSE	BKH	Wed, Jan 26, 1994	14.67	14.83	14.50	14.83
419	NYSE	BKH	Tue, Jan 25, 1994	14.58	14.67	14.58	14.58
418	NYSE	BKH	Mon, Jan 24, 1994	15.00	15.08	14.58	14.67
417	NYSE	BKH	Fri, Jan 21, 1994	14.75	14.92	14.75	14.92
416	NYSE	BKH	Thu, Jan 20, 1994	15.08	15.08	14.83	14.92
415	NYSE	BKH	Wed, Jan 19, 1994	14.58	15.00	14.50	15.00
414	NYSE	BKH	Tue, Jan 18, 1994	14.08	14.58	14.00	14.50
413	NYSE	BKH	Mon, Jan 17, 1994	14.00	14.08	13.83	14.00
412	NYSE	BKH	Fri, Jan 14, 1994	14.17	14.25	14.00	14.00
411	NYSE	BKH	Thu, Jan 13, 1994	14.33	14.42	14.17	14.25
410	NYSE	BKH	Wed, Jan 12, 1994	14.17	14.58	14.17	14.33
409	NYSE	BKH	Tue, Jan 11, 1994	14.17	14.67	14.17	14.33
408	NYSE	BKH	Mon, Jan 10, 1994	14.42	14.50	14.17	14.17
407	NYSE	BKH	Fri, Jan 7, 1994	14.58	14.58	14.17	14.42
406	NYSE	BKH	Thu, Jan 6, 1994	14.67	14.67	14.25	14.58
405	NYSE	BKH	Wed, Jan 5, 1994	14.67	14.83	14.42	14.58
404	NYSE	BKH	Tue, Jan 4, 1994	15.08	15.17	14.75	14.75
403	NYSE	BKH	Mon, Jan 3, 1994	15.08	15.17	14.83	15.08
402	NYSE	BKH	Fri, Dec 31, 1993	15.17	15.25	15.08	15.17
401	NYSE	BKH	Thu, Dec 30, 1993	15.17	15.25	15.00	15.25
400	NYSE	BKH	Wed, Dec 29, 1993	15.33	15.33	15.08	15.08
399	NYSE	BKH	Tue, Dec 28, 1993	15.00	15.25	15.00	15.25
398	NYSE	BKH	Mon, Dec 27, 1993	15.08	15.25	15.08	15.17
397	NYSE	BKH	Thu, Dec 23, 1993	15.00	15.25	15.00	15.00
396	NYSE	BKH	Wed, Dec 22, 1993	15.25	15.25	15.00	15.08
395	NYSE	BKH	Tue, Dec 21, 1993	15.25	15.33	15.00	15.08
394	NYSE	BKH	Mon, Dec 20, 1993	15.17	15.58	15.17	15.50
393	NYSE	BKH	Fri, Dec 17, 1993	15.33	15.42	15.25	15.33
392	NYSE	BKH	Thu, Dec 16, 1993	15.17	15.33	15.08	15.17
391	NYSE	BKH	Wed, Dec 15, 1993	15.67	15.67	15.25	15.42
390	NYSE	BKH	Tue, Dec 14, 1993	15.58	15.83	15.50	15.50
389	NYSE	BKH	Mon, Dec 13, 1993	15.50	15.75	15.42	15.67
388	NYSE	BKH	Fri, Dec 10, 1993	15.33	15.58	15.33	15.58
387	NYSE	BKH	Thu, Dec 9, 1993	15.42	15.50	15.33	15.50
386	NYSE	BKH	Wed, Dec 8, 1993	15.50	15.75	15.50	15.58
385	NYSE	BKH	Tue, Dec 7, 1993	15.50	15.58	15.42	15.58
384	NYSE	BKH	Mon, Dec 6, 1993	15.33	15.33	15.25	15.33
383	NYSE	BKH	Fri, Dec 3, 1993	15.25	15.25	15.08	15.25
382	NYSE	BKH	Thu, Dec 2, 1993	15.08	15.33	15.08	15.17
381	NYSE	BKH	Wed, Dec 1, 1993	15.25	15.33	15.08	15.17
380	NYSE	BKH	Tue, Nov 30, 1993	15.33	15.33	15.00	15.25
379	NYSE	BKH	Mon, Nov 29, 1993	15.25	15.33	15.17	15.25
378	NYSE	BKH	Fri, Nov 26, 1993	15.25	15.25	15.17	15.17
377	NYSE	BKH	Wed, Nov 24, 1993	15.33	15.33	15.17	15.17
376	NYSE	BKH	Tue, Nov 23, 1993	15.58	15.58	15.33	15.33
375	NYSE	BKH	Mon, Nov 22, 1993	15.67	15.67	15.42	15.42
374	NYSE	BKH	Fri, Nov 19, 1993	15.50	15.83	15.33	15.83
373	NYSE	BKH	Thu, Nov 18, 1993	15.50	15.67	15.25	15.50
372	NYSE	BKH	Wed, Nov 17, 1993	15.67	16.00	15.67	15.83
371	NYSE	BKH	Tue, Nov 16, 1993	15.17	15.50	15.17	15.50
370	NYSE	BKH	Mon, Nov 15, 1993	15.00	15.08	14.83	15.08
369	NYSE	BKH	Fri, Nov 12, 1993	14.58	14.92	14.58	14.83
368	NYSE	BKH	Thu, Nov 11, 1993	14.58	14.92	14.58	14.75
367	NYSE	BKH	Wed, Nov 10, 1993	14.75	14.92	14.67	14.75
366	NYSE	BKH	Tue, Nov 9, 1993	15.17	15.33	14.92	14.92
365	NYSE	BKH	Mon, Nov 8, 1993	15.17	15.25	15.00	15.00
364	NYSE	BKH	Fri, Nov 5, 1993	15.00	15.00	14.58	15.00
363	NYSE	BKH	Thu, Nov 4, 1993	15.83	15.83	15.25	15.33
362	NYSE	BKH	Wed, Nov 3, 1993	16.00	16.08	15.92	15.92
361	NYSE	BKH	Tue, Nov 2, 1993	16.08	16.17	16.00	16.17
360	NYSE	BKH	Mon, Nov 1, 1993	16.25	16.42	16.17	16.25
359	NYSE	BKH	Fri, Oct 29, 1993	16.25	16.42	16.08	16.25
358	NYSE	BKH	Thu, Oct 28, 1993	16.33	16.42	16.33	16.42
357	NYSE	BKH	Wed, Oct 27, 1993	16.08	16.42	16.00	16.33
356	NYSE	BKH	Tue, Oct 26, 1993	16.42	16.42	16.00	16.17
355	NYSE	BKH	Mon, Oct 25, 1993	16.42	16.50	16.33	16.42
354	NYSE	BKH	Fri, Oct 22, 1993	16.67	16.67	16.42	16.42
353	NYSE	BKH	Thu, Oct 21, 1993	16.67	16.75	16.58	16.67
352	NYSE	BKH	Wed, Oct 20, 1993	16.75	16.75	16.67	16.75
351	NYSE	BKH	Tue, Oct 19, 1993	16.75	16.75	16.67	16.75
350	NYSE	BKH	Mon, Oct 18, 1993	16.67	16.92	16.67	16.92
349	NYSE	BKH	Fri, Oct 15, 1993	16.67	17.00	16.67	16.83
348	NYSE	BKH	Thu, Oct 14, 1993	16.42	16.58	16.42	16.58
347	NYSE	BKH	Wed, Oct 13, 1993	16.42	16.58	16.25	16.33
346	NYSE	BKH	Tue, Oct 12, 1993	16.58	16.58	16.42	16.42
345	NYSE	BKH	Mon, Oct 11, 1993	16.75	16.75	16.58	16.67
344	NYSE	BKH	Fri, Oct 8, 1993	17.17	17.17	16.75	16.75
343	NYSE	BKH	Thu, Oct 7, 1993	17.17	17.33	17.17	17.25
342	NYSE	BKH	Wed, Oct 6, 1993	17.25	17.33	17.25	17.33
341	NYSE	BKH	Tue, Oct 5, 1993	17.33	17.42	17.25	17.42
340	NYSE	BKH	Mon, Oct 4, 1993	17.33	17.42	17.25	17.25
339	NYSE	BKH	Fri, Oct 1, 1993	17.33	17.42	17.33	17.42
338	NYSE	BKH	Thu, Sep 30, 1993	17.08	17.33	17.08	17.33
337	NYSE	BKH	Wed, Sep 29, 1993	17.17	17.17	17.00	17.17
336	NYSE	BKH	Tue, Sep 28, 1993	17.17	17.17	17.08	17.08
335	NYSE	BKH	Mon, Sep 27, 1993	17.17	17.25	17.08	17.08
334	NYSE	BKH	Fri, Sep 24, 1993	17.08	17.08	17.00	17.00
333	NYSE	BKH	Thu, Sep 23, 1993	17.42	17.42	17.33	17.33
332	NYSE	BKH	Wed, Sep 22, 1993	17.50	17.67	17.50	17.58
331	NYSE	BKH	Tue, Sep 21, 1993	17.58	17.67	17.50	17.58
330	NYSE	BKH	Mon, Sep 20, 1993	17.42	17.58	17.33	17.58
329	NYSE	BKH	Fri, Sep 17, 1993	17.17	17.33	17.17	17.17
328	NYSE	BKH	Thu, Sep 16, 1993	17.33	17.42	17.33	17.42
327	NYSE	BKH	Wed, Sep 15, 1993	17.75	17.83	17.17	17.42
326	NYSE	BKH	Tue, Sep 14, 1993	17.92	17.92	17.83	17.92
325	NYSE	BKH	Mon, Sep 13, 1993	17.75	17.92	17.75	17.83
324	NYSE	BKH	Fri, Sep 10, 1993	17.83	17.92	17.75	17.83
323	NYSE	BKH	Thu, Sep 9, 1993	17.75	17.75	17.50	17.67
322	NYSE	BKH	Wed, Sep 8, 1993	17.83	17.83	17.42	17.58
321	NYSE	BKH	Tue, Sep 7, 1993	17.67	17.75	17.67	17.75
320	NYSE	BKH	Fri, Sep 3, 1993	17.67	17.92	17.67	17.92
319	NYSE	BKH	Thu, Sep 2, 1993	18.00	18.08	17.83	17.83
318	NYSE	BKH	Wed, Sep 1, 1993	17.58	18.00	17.58	18.00
317	NYSE	BKH	Tue, Aug 31, 1993	17.67	17.67	17.42	17.58
316	NYSE	BKH	Mon, Aug 30, 1993	17.67	17.75	17.50	17.58
315	NYSE	BKH	Fri, Aug 27, 1993	18.00	18.00	17.67	17.67
314	NYSE	BKH	Thu, Aug 26, 1993	18.00	18.00	17.83	17.83
313	NYSE	BKH	Wed, Aug 25, 1993	17.42	17.92	17.42	17.92
312	NYSE	BKH	Tue, Aug 24, 1993	17.67	17.67	17.25	17.50
311	NYSE	BKH	Mon, Aug 23, 1993	17.67	17.75	17.58	17.58
310	NYSE	BKH	Fri, Aug 20, 1993	17.58	17.83	17.58	17.83
309	NYSE	BKH	Thu, Aug 19, 1993	17.50	17.75	17.50	17.67
308	NYSE	BKH	Wed, Aug 18, 1993	17.83	17.92	17.58	17.67
307	NYSE	BKH	Tue, Aug 17, 1993	18.00	18.08	17.75	17.75
306	NYSE	BKH	Mon, Aug 16, 1993	17.83	18.00	17.83	18.00
305	NYSE	BKH	Fri, Aug 13, 1993	17.67	17.92	17.58	17.83
304	NYSE	BKH	Thu, Aug 12, 1993	17.58	17.67	17.50	17.67
303	NYSE	BKH	Wed, Aug 11, 1993	17.08	17.58	17.08	17.42
302	NYSE	BKH	Tue, Aug 10, 1993	16.75	17.17	16.75	17.17
301	NYSE	BKH	Mon, Aug 9, 1993	16.83	16.92	16.75	16.83
300	NYSE	BKH	Fri, Aug 6, 1993	17.08	17.08	17.00	17.08
299	NYSE	BKH	Thu, Aug 5, 1993	16.92	17.08	16.92	17.08
298	NYSE	BKH	Wed, Aug 4, 1993	17.00	17.00	16.83	17.00
297	NYSE	BKH	Tue, Aug 3, 1993	16.92	17.00	16.92	17.00
296	NYSE	BKH	Mon, Aug 2, 1993	16.92	17.00	16.92	16.92
295	NYSE	BKH	Fri, Jul 30, 1993	16.92	17.00	16.75	16.83
294	NYSE	BKH	Thu, Jul 29, 1993	17.00	17.08	16.75	16.83
293	NYSE	BKH	Wed, Jul 28, 1993	17.00	17.08	16.92	17.00
292	NYSE	BKH	Tue, Jul 27, 1993	16.83	17.00	16.75	17.00
291	NYSE	BKH	Mon, Jul 26, 1993	17.00	17.08	16.92	17.00
290	NYSE	BKH	Fri, Jul 23, 1993	16.83	17.08	16.75	17.08
289	NYSE	BKH	Thu, Jul 22, 1993	16.92	17.00	16.83	16.92
288	NYSE	BKH	Wed, Jul 21, 1993	17.00	17.00	16.92	17.00
287	NYSE	BKH	Tue, Jul 20, 1993	17.00	17.00	16.92	16.92
286	NYSE	BKH	Mon, Jul 19, 1993	17.08	17.08	17.00	17.08
285	NYSE	BKH	Fri, Jul 16, 1993	17.17	17.17	17.00	17.00
284	NYSE	BKH	Thu, Jul 15, 1993	17.17	17.17	17.08	17.08
283	NYSE	BKH	Wed, Jul 14, 1993	16.92	17.17	16.92	17.17
282	NYSE	BKH	Tue, Jul 13, 1993	16.92	17.08	16.92	17.00
281	NYSE	BKH	Mon, Jul 12, 1993	17.00	17.17	17.00	17.00
280	NYSE	BKH	Fri, Jul 9, 1993	17.08	17.17	17.00	17.17
279	NYSE	BKH	Thu, Jul 8, 1993	17.00	17.17	17.00	17.17
278	NYSE	BKH	Wed, Jul 7, 1993	16.83	17.08	16.83	17.08
277	NYSE	BKH	Tue, Jul 6, 1993	16.83	17.00	16.83	17.00
276	NYSE	BKH	Fri, Jul 2, 1993	16.83	17.00	16.83	16.92
275	NYSE	BKH	Thu, Jul 1, 1993	16.92	17.00	16.83	16.83
274	NYSE	BKH	Wed, Jun 30, 1993	16.92	17.00	16.75	16.83
273	NYSE	BKH	Tue, Jun 29, 1993	17.00	17.00	16.75	16.92
272	NYSE	BKH	Mon, Jun 28, 1993	16.83	17.00	16.83	17.00
271	NYSE	BKH	Fri, Jun 25, 1993	16.92	16.92	16.83	16.92
270	NYSE	BKH	Thu, Jun 24, 1993	17.00	17.00	16.92	17.00
269	NYSE	BKH	Wed, Jun 23, 1993	17.00	17.00	16.92	17.00
268	NYSE	BKH	Tue, Jun 22, 1993	17.00	17.00	16.92	17.00
267	NYSE	BKH	Mon, Jun 21, 1993	17.17	17.17	17.00	17.17
266	NYSE	BKH	Fri, Jun 18, 1993	17.00	17.17	17.00	17.17
265	NYSE	BKH	Thu, Jun 17, 1993	16.92	17.08	16.92	17.00
264	NYSE	BKH	Wed, Jun 16, 1993	17.08	17.17	17.00	17.08
263	NYSE	BKH	Tue, Jun 15, 1993	17.00	17.17	17.00	17.17
262	NYSE	BKH	Mon, Jun 14, 1993	17.08	17.08	17.00	17.08
261	NYSE	BKH	Fri, Jun 11, 1993	17.08	17.17	17.00	17.00
260	NYSE	BKH	Thu, Jun 10, 1993	17.08	17.17	17.08	17.17
259	NYSE	BKH	Wed, Jun 9, 1993	17.00	17.17	17.00	17.17
258	NYSE	BKH	Tue, Jun 8, 1993	17.17	17.17	17.00	17.00
257	NYSE	BKH	Mon, Jun 7, 1993	17.42	17.42	17.17	17.25
256	NYSE	BKH	Fri, Jun 4, 1993	17.83	17.83	17.50	17.50
255	NYSE	BKH	Thu, Jun 3, 1993	18.00	18.17	17.83	17.83
254	NYSE	BKH	Wed, Jun 2, 1993	17.50	18.00	17.42	18.00
253	NYSE	BKH	Tue, Jun 1, 1993	17.08	17.50	17.00	17.50
252	NYSE	BKH	Fri, May 28, 1993	17.17	17.17	16.92	17.08
251	NYSE	BKH	Thu, May 27, 1993	17.08	17.17	16.92	17.00
250	NYSE	BKH	Wed, May 26, 1993	17.17	17.33	17.08	17.17
249	NYSE	BKH	Tue, May 25, 1993	17.25	17.25	17.00	17.17
248	NYSE	BKH	Mon, May 24, 1993	17.17	17.25	17.08	17.25
247	NYSE	BKH	Fri, May 21, 1993	17.25	17.33	17.17	17.25
246	NYSE	BKH	Thu, May 20, 1993	16.75	17.25	16.75	17.25
245	NYSE	BKH	Wed, May 19, 1993	16.92	17.00	16.58	16.83
244	NYSE	BKH	Tue, May 18, 1993	16.92	16.92	16.83	16.83
243	NYSE	BKH	Mon, May 17, 1993	16.83	17.00	16.83	17.00
242	NYSE	BKH	Fri, May 14, 1993	16.83	17.00	16.75	16.92
241	NYSE	BKH	Thu, May 13, 1993	17.00	17.08	16.92	17.00
240	NYSE	BKH	Wed, May 12, 1993	16.92	17.08	16.83	17.08
239	NYSE	BKH	Tue, May 11, 1993	17.50	17.58	16.92	16.92
238	NYSE	BKH	Mon, May 10, 1993	17.17	17.42	17.17	17.33
237	NYSE	BKH	Fri, May 7, 1993	17.17	17.58	17.17	17.58
236	NYSE	BKH	Thu, May 6, 1993	16.92	17.25	16.92	17.25
235	NYSE	BKH	Wed, May 5, 1993	16.75	17.00	16.75	16.92
234	NYSE	BKH	Tue, May 4, 1993	16.75	16.75	16.67	16.75
233	NYSE	BKH	Mon, May 3, 1993	16.58	16.75	16.50	16.75
232	NYSE	BKH	Fri, Apr 30, 1993	16.92	16.92	16.42	16.67
231	NYSE	BKH	Thu, Apr 29, 1993	16.67	16.83	16.58	16.83
230	NYSE	BKH	Wed, Apr 28, 1993	16.92	16.92	16.42	16.58
229	NYSE	BKH	Tue, Apr 27, 1993	16.67	17.00	16.67	16.92
228	NYSE	BKH	Mon, Apr 26, 1993	16.92	16.92	16.67	16.75
227	NYSE	BKH	Fri, Apr 23, 1993	16.83	17.00	16.83	16.83
226	NYSE	BKH	Thu, Apr 22, 1993	16.92	17.08	16.92	16.92
225	NYSE	BKH	Wed, Apr 21, 1993	16.92	16.92	16.83	16.92
224	NYSE	BKH	Tue, Apr 20, 1993	16.83	17.17	16.83	16.83
223	NYSE	BKH	Mon, Apr 19, 1993	17.08	17.25	16.83	16.83
222	NYSE	BKH	Fri, Apr 16, 1993	17.00	17.00	16.92	17.00
221	NYSE	BKH	Thu, Apr 15, 1993	16.92	17.00	16.83	17.00
220	NYSE	BKH	Wed, Apr 14, 1993	16.92	16.92	16.75	16.92
219	NYSE	BKH	Tue, Apr 13, 1993	16.92	17.00	16.75	16.92
218	NYSE	BKH	Mon, Apr 12, 1993	16.75	16.92	16.75	16.92
217	NYSE	BKH	Thu, Apr 8, 1993	16.50	16.83	16.50	16.75
216	NYSE	BKH	Wed, Apr 7, 1993	16.83	16.92	16.75	16.83
215	NYSE	BKH	Tue, Apr 6, 1993	17.08	17.08	16.75	16.83
214	NYSE	BKH	Mon, Apr 5, 1993	17.17	17.17	17.00	17.08
213	NYSE	BKH	Fri, Apr 2, 1993	16.92	17.08	16.92	17.08
212	NYSE	BKH	Thu, Apr 1, 1993	17.17	17.17	16.92	17.08
211	NYSE	BKH	Wed, Mar 31, 1993	17.08	17.17	17.00	17.17
210	NYSE	BKH	Tue, Mar 30, 1993	17.17	17.17	16.92	17.00
209	NYSE	BKH	Mon, Mar 29, 1993	17.25	17.25	17.00	17.08
208	NYSE	BKH	Fri, Mar 26, 1993	17.33	17.42	17.17	17.25
207	NYSE	BKH	Thu, Mar 25, 1993	17.58	17.58	17.33	17.42
206	NYSE	BKH	Wed, Mar 24, 1993	17.67	17.67	17.42	17.58
205	NYSE	BKH	Tue, Mar 23, 1993	17.50	17.58	17.33	17.58
204	NYSE	BKH	Mon, Mar 22, 1993	17.25	17.58	17.25	17.50
203	NYSE	BKH	Fri, Mar 19, 1993	17.58	17.58	17.33	17.42
202	NYSE	BKH	Thu, Mar 18, 1993	17.42	17.58	17.42	17.58
201	NYSE	BKH	Wed, Mar 17, 1993	17.42	17.58	17.33	17.58
200	NYSE	BKH	Tue, Mar 16, 1993	17.33	17.42	17.17	17.33
199	NYSE	BKH	Mon, Mar 15, 1993	17.00	17.25	16.75	17.25
198	NYSE	BKH	Fri, Mar 12, 1993	17.25	17.25	16.75	16.92
197	NYSE	BKH	Thu, Mar 11, 1993	17.17	17.25	17.00	17.25
196	NYSE	BKH	Wed, Mar 10, 1993	17.25	17.33	16.67	17.25
195	NYSE	BKH	Tue, Mar 9, 1993	17.42	17.42	17.25	17.33
194	NYSE	BKH	Mon, Mar 8, 1993	17.17	17.33	17.08	17.33
193	NYSE	BKH	Fri, Mar 5, 1993	17.17	17.17	17.08	17.17
192	NYSE	BKH	Thu, Mar 4, 1993	17.33	17.33	17.08	17.17
191	NYSE	BKH	Wed, Mar 3, 1993	17.42	17.50	17.33	17.42
190	NYSE	BKH	Tue, Mar 2, 1993	17.58	17.58	17.33	17.42
189	NYSE	BKH	Mon, Mar 1, 1993	17.42	17.67	17.25	17.50
188	NYSE	BKH	Fri, Feb 26, 1993	17.58	17.58	17.25	17.33
187	NYSE	BKH	Thu, Feb 25, 1993	17.50	17.50	17.25	17.42
186	NYSE	BKH	Wed, Feb 24, 1993	17.33	17.33	17.17	17.33
185	NYSE	BKH	Tue, Feb 23, 1993	17.42	17.42	17.17	17.33
184	NYSE	BKH	Mon, Feb 22, 1993	17.42	17.50	17.33	17.33
183	NYSE	BKH	Fri, Feb 19, 1993	17.42	17.42	17.25	17.42
182	NYSE	BKH	Thu, Feb 18, 1993	17.17	17.33	17.08	17.33
181	NYSE	BKH	Wed, Feb 17, 1993	17.25	17.33	17.08	17.25
180	NYSE	BKH	Tue, Feb 16, 1993	17.33	17.33	17.08	17.33
179	NYSE	BKH	Fri, Feb 12, 1993	17.17	17.25	17.08	17.25
178	NYSE	BKH	Thu, Feb 11, 1993	17.50	17.50	17.08	17.25
177	NYSE	BKH	Wed, Feb 10, 1993	17.33	17.42	17.25	17.42
176	NYSE	BKH	Tue, Feb 9, 1993	17.58	17.58	17.17	17.42
175	NYSE	BKH	Mon, Feb 8, 1993	17.58	17.58	17.33	17.50
174	NYSE	BKH	Fri, Feb 5, 1993	17.75	17.75	17.42	17.58
173	NYSE	BKH	Thu, Feb 4, 1993	18.08	18.08	17.67	17.75
172	NYSE	BKH	Wed, Feb 3, 1993	17.58	18.17	17.58	17.92
171	NYSE	BKH	Tue, Feb 2, 1993	18.00	18.08	17.83	17.92
170	NYSE	BKH	Mon, Feb 1, 1993	18.00	18.00	17.58	17.83
169	NYSE	BKH	Fri, Jan 29, 1993	18.42	18.42	17.92	17.92
168	NYSE	BKH	Thu, Jan 28, 1993	18.83	18.83	18.33	18.42
167	NYSE	BKH	Wed, Jan 27, 1993	17.83	18.50	17.83	18.50
166	NYSE	BKH	Tue, Jan 26, 1993	17.67	17.83	17.67	17.83
165	NYSE	BKH	Mon, Jan 25, 1993	17.50	17.67	17.50	17.67
164	NYSE	BKH	Fri, Jan 22, 1993	17.42	17.50	17.33	17.50
163	NYSE	BKH	Thu, Jan 21, 1993	17.25	17.33	17.17	17.33
162	NYSE	BKH	Wed, Jan 20, 1993	17.25	17.25	17.08	17.08
161	NYSE	BKH	Tue, Jan 19, 1993	17.50	17.50	17.25	17.33
160	NYSE	BKH	Mon, Jan 18, 1993	17.50	17.50	17.42	17.42
159	NYSE	BKH	Fri, Jan 15, 1993	17.50	17.58	17.42	17.50
158	NYSE	BKH	Thu, Jan 14, 1993	16.83	17.50	16.83	17.42
157	NYSE	BKH	Wed, Jan 13, 1993	16.58	16.92	16.58	16.92
156	NYSE	BKH	Tue, Jan 12, 1993	16.83	16.83	16.58	16.67
155	NYSE	BKH	Mon, Jan 11, 1993	16.92	16.92	16.58	16.67
154	NYSE	BKH	Fri, Jan 8, 1993	17.25	17.25	16.67	16.92
153	NYSE	BKH	Thu, Jan 7, 1993	17.75	17.75	17.08	17.08
152	NYSE	BKH	Wed, Jan 6, 1993	18.50	18.58	17.67	17.75
151	NYSE	BKH	Tue, Jan 5, 1993	18.58	18.67	18.50	18.50
150	NYSE	BKH	Mon, Jan 4, 1993	18.33	18.67	18.33	18.67
149	NYSE	BKH	Thu, Dec 31, 1992	18.42	18.58	18.33	18.33
148	NYSE	BKH	Wed, Dec 30, 1992	18.42	18.58	18.42	18.58
147	NYSE	BKH	Tue, Dec 29, 1992	18.42	18.50	18.42	18.50
146	NYSE	BKH	Mon, Dec 28, 1992	18.42	18.42	18.42	18.42
145	NYSE	BKH	Thu, Dec 24, 1992	18.33	18.42	18.33	18.42
144	NYSE	BKH	Wed, Dec 23, 1992	18.33	18.42	18.25	18.33
143	NYSE	BKH	Tue, Dec 22, 1992	18.33	18.42	18.17	18.42
142	NYSE	BKH	Mon, Dec 21, 1992	18.33	18.33	18.17	18.33
141	NYSE	BKH	Fri, Dec 18, 1992	18.17	18.33	18.08	18.25
140	NYSE	BKH	Thu, Dec 17, 1992	18.17	18.17	17.92	18.00
139	NYSE	BKH	Wed, Dec 16, 1992	18.00	18.17	18.00	18.17
138	NYSE	BKH	Tue, Dec 15, 1992	17.67	17.92	17.67	17.92
137	NYSE	BKH	Mon, Dec 14, 1992	17.50	17.75	17.50	17.75
136	NYSE	BKH	Fri, Dec 11, 1992	17.58	17.58	17.25	17.42
135	NYSE	BKH	Thu, Dec 10, 1992	17.58	17.58	17.42	17.58
134	NYSE	BKH	Wed, Dec 9, 1992	17.58	17.67	17.42	17.50
133	NYSE	BKH	Tue, Dec 8, 1992	17.75	17.75	17.08	17.50
132	NYSE	BKH	Mon, Dec 7, 1992	17.67	17.83	17.67	17.75
131	NYSE	BKH	Fri, Dec 4, 1992	17.92	17.92	17.75	17.83
130	NYSE	BKH	Thu, Dec 3, 1992	17.75	17.92	17.75	17.92
129	NYSE	BKH	Wed, Dec 2, 1992	17.08	17.67	17.08	17.67
128	NYSE	BKH	Tue, Dec 1, 1992	16.67	17.00	16.67	17.00
127	NYSE	BKH	Mon, Nov 30, 1992	16.42	16.67	16.33	16.58
126	NYSE	BKH	Fri, Nov 27, 1992	16.42	16.50	16.33	16.42
125	NYSE	BKH	Wed, Nov 25, 1992	16.58	16.58	16.42	16.58
124	NYSE	BKH	Tue, Nov 24, 1992	16.83	17.17	16.50	16.58
123	NYSE	BKH	Mon, Nov 23, 1992	16.67	16.83	16.58	16.83
122	NYSE	BKH	Fri, Nov 20, 1992	16.25	16.50	16.25	16.50
121	NYSE	BKH	Thu, Nov 19, 1992	16.25	16.25	16.08	16.25
120	NYSE	BKH	Wed, Nov 18, 1992	16.42	16.58	15.83	16.17
119	NYSE	BKH	Tue, Nov 17, 1992	16.75	16.83	16.50	16.58
118	NYSE	BKH	Mon, Nov 16, 1992	17.17	17.17	16.75	16.83
117	NYSE	BKH	Fri, Nov 13, 1992	17.33	17.33	17.08	17.33
116	NYSE	BKH	Thu, Nov 12, 1992	17.33	17.33	17.08	17.25
115	NYSE	BKH	Wed, Nov 11, 1992	17.33	17.42	17.25	17.33
114	NYSE	BKH	Tue, Nov 10, 1992	17.17	17.25	17.00	17.25
113	NYSE	BKH	Mon, Nov 9, 1992	17.25	17.58	17.08	17.08
112	NYSE	BKH	Fri, Nov 6, 1992	17.33	17.33	17.00	17.33
111	NYSE	BKH	Thu, Nov 5, 1992	17.50	17.67	17.50	17.67
110	NYSE	BKH	Wed, Nov 4, 1992	17.75	17.92	17.58	17.75
109	NYSE	BKH	Tue, Nov 3, 1992	17.92	18.00	17.83	17.92
108	NYSE	BKH	Mon, Nov 2, 1992	17.92	17.92	17.83	17.92
107	NYSE	BKH	Fri, Oct 30, 1992	17.83	18.00	17.83	17.92
106	NYSE	BKH	Thu, Oct 29, 1992	17.92	17.92	17.83	17.92
105	NYSE	BKH	Wed, Oct 28, 1992	17.92	17.92	17.67	17.92
104	NYSE	BKH	Tue, Oct 27, 1992	17.75	17.92	17.75	17.92
103	NYSE	BKH	Mon, Oct 26, 1992	17.58	17.83	17.50	17.83
102	NYSE	BKH	Fri, Oct 23, 1992	17.75	17.83	17.50	17.67
101	NYSE	BKH	Thu, Oct 22, 1992	17.58	17.75	17.50	17.75
100	NYSE	BKH	Wed, Oct 21, 1992	17.75	17.75	17.42	17.67
99	NYSE	BKH	Tue, Oct 20, 1992	18.00	18.08	17.67	17.83
98	NYSE	BKH	Mon, Oct 19, 1992	18.08	18.25	17.92	18.08
97	NYSE	BKH	Fri, Oct 16, 1992	18.42	18.58	17.83	18.17
96	NYSE	BKH	Thu, Oct 15, 1992	18.50	18.50	18.17	18.42
95	NYSE	BKH	Wed, Oct 14, 1992	18.17	18.50	18.08	18.50
94	NYSE	BKH	Tue, Oct 13, 1992	17.83	18.17	17.75	18.17
93	NYSE	BKH	Mon, Oct 12, 1992	18.08	18.17	17.83	17.92
92	NYSE	BKH	Fri, Oct 9, 1992	18.00	18.08	17.92	18.08
91	NYSE	BKH	Thu, Oct 8, 1992	18.25	18.25	18.08	18.08
90	NYSE	BKH	Wed, Oct 7, 1992	18.83	18.83	18.33	18.33
89	NYSE	BKH	Tue, Oct 6, 1992	19.17	19.17	18.83	18.92
88	NYSE	BKH	Mon, Oct 5, 1992	19.17	19.17	19.00	19.17
87	NYSE	BKH	Fri, Oct 2, 1992	19.33	19.33	19.17	19.25
86	NYSE	BKH	Thu, Oct 1, 1992	19.08	19.50	19.08	19.33
85	NYSE	BKH	Wed, Sep 30, 1992	18.83	19.17	18.75	19.17
84	NYSE	BKH	Tue, Sep 29, 1992	18.83	18.92	18.67	18.92
83	NYSE	BKH	Mon, Sep 28, 1992	18.75	18.83	18.50	18.83
82	NYSE	BKH	Fri, Sep 25, 1992	18.75	18.83	18.67	18.67
81	NYSE	BKH	Thu, Sep 24, 1992	18.92	19.00	18.83	18.92
80	NYSE	BKH	Wed, Sep 23, 1992	18.92	18.92	18.67	18.83
79	NYSE	BKH	Tue, Sep 22, 1992	18.75	18.92	18.75	18.92
78	NYSE	BKH	Mon, Sep 21, 1992	18.58	18.75	18.58	18.75
77	NYSE	BKH	Fri, Sep 18, 1992	18.42	18.67	18.42	18.67
76	NYSE	BKH	Thu, Sep 17, 1992	18.50	18.67	18.42	18.58
75	NYSE	BKH	Wed, Sep 16, 1992	18.67	18.75	18.58	18.75
74	NYSE	BKH	Tue, Sep 15, 1992	18.75	18.75	18.58	18.58
73	NYSE	BKH	Mon, Sep 14, 1992	18.67	18.75	18.67	18.75
72	NYSE	BKH	Fri, Sep 11, 1992	18.67	18.67	18.50	18.67
71	NYSE	BKH	Thu, Sep 10, 1992	18.75	18.83	18.58	18.67
70	NYSE	BKH	Wed, Sep 9, 1992	18.67	18.83	18.67	18.75
69	NYSE	BKH	Tue, Sep 8, 1992	18.50	18.67	18.33	18.67
68	NYSE	BKH	Fri, Sep 4, 1992	18.58	18.67	18.58	18.67
67	NYSE	BKH	Thu, Sep 3, 1992	18.67	18.67	18.58	18.67
66	NYSE	BKH	Wed, Sep 2, 1992	18.83	18.83	18.67	18.67
65	NYSE	BKH	Tue, Sep 1, 1992	18.75	18.75	18.50	18.75
64	NYSE	BKH	Mon, Aug 31, 1992	18.58	18.75	18.58	18.75
63	NYSE	BKH	Fri, Aug 28, 1992	18.67	18.75	18.50	18.67
62	NYSE	BKH	Thu, Aug 27, 1992	18.67	18.67	18.58	18.67
61	NYSE	BKH	Wed, Aug 26, 1992	18.67	18.67	18.67	18.67
60	NYSE	BKH	Tue, Aug 25, 1992	18.50	18.67	18.50	18.58
59	NYSE	BKH	Mon, Aug 24, 1992	18.58	18.67	18.50	18.67
58	NYSE	BKH	Fri, Aug 21, 1992	18.75	18.75	18.58	18.75
57	NYSE	BKH	Thu, Aug 20, 1992	18.75	18.75	18.67	18.75
56	NYSE	BKH	Wed, Aug 19, 1992	18.75	18.92	18.75	18.92
55	NYSE	BKH	Tue, Aug 18, 1992	18.83	18.92	18.75	18.83
54	NYSE	BKH	Mon, Aug 17, 1992	18.75	18.83	18.75	18.75
53	NYSE	BKH	Fri, Aug 14, 1992	18.92	18.92	18.83	18.92
52	NYSE	BKH	Thu, Aug 13, 1992	18.83	18.92	18.83	18.83
51	NYSE	BKH	Wed, Aug 12, 1992	18.83	19.00	18.75	18.83
50	NYSE	BKH	Tue, Aug 11, 1992	19.00	19.00	18.75	18.83
49	NYSE	BKH	Mon, Aug 10, 1992	18.58	19.00	18.58	19.00
48	NYSE	BKH	Fri, Aug 7, 1992	19.25	19.25	19.00	19.00
47	NYSE	BKH	Thu, Aug 6, 1992	19.42	19.42	19.17	19.25
46	NYSE	BKH	Wed, Aug 5, 1992	19.25	19.42	19.25	19.33
45	NYSE	BKH	Tue, Aug 4, 1992	19.42	19.58	19.33	19.33
44	NYSE	BKH	Mon, Aug 3, 1992	19.08	19.33	18.92	19.25
43	NYSE	BKH	Fri, Jul 31, 1992	19.42	19.42	18.92	19.08
42	NYSE	BKH	Thu, Jul 30, 1992	19.33	19.42	19.25	19.42
41	NYSE	BKH	Wed, Jul 29, 1992	19.33	19.33	19.00	19.17
40	NYSE	BKH	Tue, Jul 28, 1992	19.17	19.33	19.17	19.33
39	NYSE	BKH	Mon, Jul 27, 1992	19.17	19.33	19.17	19.25
38	NYSE	BKH	Fri, Jul 24, 1992	19.25	19.25	19.08	19.17
37	NYSE	BKH	Thu, Jul 23, 1992	19.25	19.25	19.17	19.25
36	NYSE	BKH	Wed, Jul 22, 1992	18.92	19.08	18.92	19.08
35	NYSE	BKH	Tue, Jul 21, 1992	19.08	19.08	18.83	19.08
34	NYSE	BKH	Mon, Jul 20, 1992	19.08	19.17	19.00	19.17
33	NYSE	BKH	Fri, Jul 17, 1992	19.17	19.33	19.17	19.25
32	NYSE	BKH	Thu, Jul 16, 1992	19.00	19.25	19.00	19.17
31	NYSE	BKH	Wed, Jul 15, 1992	18.92	19.17	18.92	19.08
30	NYSE	BKH	Tue, Jul 14, 1992	19.25	19.25	18.67	19.08
29	NYSE	BKH	Mon, Jul 13, 1992	19.50	19.50	19.17	19.25
28	NYSE	BKH	Fri, Jul 10, 1992	19.58	19.58	19.08	19.25
27	NYSE	BKH	Thu, Jul 9, 1992	19.50	19.75	19.50	19.58
26	NYSE	BKH	Wed, Jul 8, 1992	19.25	19.50	19.17	19.50
25	NYSE	BKH	Tue, Jul 7, 1992	19.33	19.50	19.33	19.42
24	NYSE	BKH	Mon, Jul 6, 1992	19.00	19.25	18.67	19.25
23	NYSE	BKH	Thu, Jul 2, 1992	19.17	19.17	18.75	18.83
22	NYSE	BKH	Wed, Jul 1, 1992	19.33	19.75	18.92	18.92
21	NYSE	BKH	Tue, Jun 30, 1992	19.42	19.83	19.33	19.33
20	NYSE	BKH	Mon, Jun 29, 1992	19.92	19.92	19.42	19.58
19	NYSE	BKH	Fri, Jun 26, 1992	19.83	19.83	19.67	19.75
18	NYSE	BKH	Thu, Jun 25, 1992	19.75	19.75	19.58	19.75
17	NYSE	BKH	Wed, Jun 24, 1992	19.75	19.75	19.42	19.58
16	NYSE	BKH	Tue, Jun 23, 1992	20.17	20.17	19.92	19.92
15	NYSE	BKH	Mon, Jun 22, 1992	20.17	20.25	20.00	20.25
14	NYSE	BKH	Fri, Jun 19, 1992	20.08	20.50	19.92	20.50
13	NYSE	BKH	Thu, Jun 18, 1992	20.42	20.42	19.92	20.00
12	NYSE	BKH	Wed, Jun 17, 1992	20.42	20.42	20.08	20.33
11	NYSE	BKH	Tue, Jun 16, 1992	20.58	20.58	20.08	20.25
10	NYSE	BKH	Mon, Jun 15, 1992	20.50	20.50	20.33	20.42
9	NYSE	BKH	Fri, Jun 12, 1992	20.42	20.50	20.25	20.50
8	NYSE	BKH	Thu, Jun 11, 1992	20.33	20.33	20.08	20.25
7	NYSE	BKH	Wed, Jun 10, 1992	20.67	20.67	20.00	20.33
6	NYSE	BKH	Tue, Jun 9, 1992	20.25	20.67	20.08	20.67
5	NYSE	BKH	Mon, Jun 8, 1992	20.17	20.25	19.83	20.25
4	NYSE	BKH	Fri, Jun 5, 1992	20.08	20.17	19.92	20.17
3	NYSE	BKH	Thu, Jun 4, 1992	20.00	20.08	19.67	19.92
2	NYSE	BKH	Wed, Jun 3, 1992	20.58	20.58	19.67	19.83
1	NYSE	BKH	Tue, Jun 2, 1992	20.67	20.75	20.50	20.50
#	Exchange	Symbol	Date	Open	High	Low	Close

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