Date	Open	High	Low	Close	Volume	Change (%)
Jan 31, 2012	82.27	82.31	82.21	82.27	31,646	+0.03(+0.03%)
Jan 30, 2012	82.27	82.30	82.24	82.25	216,687	-0.02(-0.03%)
Jan 27, 2012	82.34	82.34	82.18	82.27	33,093	+0.10(+0.13%)
Jan 26, 2012	82.27	82.30	82.17	82.17	11,467	+0.13(+0.16%)
Jan 25, 2012	81.76	82.08	81.75	82.04	3,847	+0.30(+0.36%)
Jan 24, 2012	81.77	81.82	81.71	81.75	16,093	+0.01(+0.01%)
Jan 23, 2012	81.70	81.74	81.69	81.74	14,441	-0.01(-0.01%)
Jan 20, 2012	81.84	81.84	81.71	81.75	15,648	-0.09(-0.11%)
Jan 19, 2012	81.80	81.84	81.75	81.83	26,120	+0.02(+0.02%)
Jan 18, 2012	81.86	81.87	81.78	81.82	14,497	-0.01(-0.01%)
Jan 17, 2012	81.83	81.83	81.75	81.83	11,351	+0.11(+0.14%)
Jan 13, 2012	81.76	81.76	81.70	81.71	15,919	+0.01(+0.01%)
Jan 12, 2012	81.73	81.77	80.12	81.71	79,169	+0.02(+0.03%)
Jan 11, 2012	81.72	81.74	81.67	81.68	51,828	-0.02(-0.03%)
Jan 10, 2012	81.76	82.70	81.64	81.71	36,784	-0.06(-0.07%)
Jan 09, 2012	81.74	81.83	81.71	81.76	29,078	+0.00(+0.00%)
Jan 06, 2012	81.78	81.83	81.75	81.76	12,648	+0.04(+0.05%)
Jan 05, 2012	81.69	81.72	81.63	81.72	12,827	+0.14(+0.17%)
Jan 04, 2012	81.55	81.61	81.51	81.59	7,492	+0.17(+0.21%)
Dec 30, 2011	81.45	81.54	81.40	81.42	15,920	-0.11(-0.14%)
Dec 29, 2011	81.36	81.55	81.36	81.53	15,777	+0.14(+0.18%)
Dec 28, 2011	81.34	81.43	81.34	81.39	10,838	+0.05(+0.06%)
Dec 27, 2011	81.41	81.49	81.34	81.34	89,078	-0.09(-0.11%)
Dec 23, 2011	81.41	83.64	81.36	81.43	59,840	-0.14(-0.18%)
Dec 21, 2011	81.67	81.69	81.51	81.57	30,296	-0.08(-0.10%)
Dec 20, 2011	81.43	81.67	81.43	81.65	127,725	+0.11(+0.14%)
Dec 19, 2011	81.48	81.57	81.43	81.54	25,707	+0.05(+0.06%)
Dec 16, 2011	81.50	81.54	81.42	81.49	24,667	-0.00(-0.00%)
Dec 15, 2011	81.50	81.53	81.43	81.49	20,171	-0.04(-0.05%)
Dec 14, 2011	81.60	81.60	81.50	81.53	36,228	-0.09(-0.11%)
Dec 13, 2011	81.61	81.73	81.60	81.62	22,606	-0.10(-0.12%)
Dec 12, 2011	81.68	81.72	81.61	81.71	22,244	+0.07(+0.09%)
Dec 09, 2011	81.71	81.78	81.63	81.64	11,808	-0.07(-0.09%)
Dec 08, 2011	81.78	81.78	81.66	81.71	32,823	-0.05(-0.06%)
Dec 07, 2011	81.70	81.77	81.68	81.76	11,391	+0.03(+0.04%)
Dec 06, 2011	81.73	81.76	81.70	81.73	6,837	-0.06(-0.07%)
Dec 05, 2011	81.75	81.79	81.73	81.79	6,193	-0.04(-0.05%)
Dec 02, 2011	81.70	81.83	81.67	81.83	43,671	+0.09(+0.11%)
Dec 01, 2011	81.83	81.83	81.70	81.74	23,564	-0.06(-0.07%)
Nov 30, 2011	81.83	81.88	81.74	81.79	64,977	+0.11(+0.14%)
Nov 29, 2011	81.57	81.73	81.57	81.68	15,207	+0.09(+0.11%)
Nov 28, 2011	81.62	81.67	81.57	81.59	3,907	+0.01(+0.01%)
Nov 25, 2011	81.62	81.62	81.50	81.59	4,150	-0.00(-0.00%)
Nov 23, 2011	81.56	81.66	81.50	81.59	12,980	+0.07(+0.09%)
Nov 22, 2011	81.53	81.56	81.43	81.51	14,865	-0.02(-0.03%)
Nov 21, 2011	81.61	81.63	81.51	81.54	9,837	-0.03(-0.04%)
Nov 18, 2011	81.64	81.64	81.55	81.57	3,010	-0.01(-0.01%)
Nov 17, 2011	81.61	81.63	81.50	81.58	58,167	-0.12(-0.15%)
Nov 16, 2011	81.78	81.78	81.69	81.70	12,521	-0.18(-0.21%)
Nov 15, 2011	82.02	82.02	81.84	81.87	30,072	-0.19(-0.23%)
Nov 14, 2011	82.17	82.17	82.02	82.06	8,762	-0.01(-0.01%)
Nov 11, 2011	82.06	82.09	82.01	82.07	9,976	-0.07(-0.09%)
Nov 10, 2011	82.06	82.15	82.01	82.14	52,484	+0.10(+0.13%)
Nov 09, 2011	82.11	82.14	82.03	82.04	33,599	-0.06(-0.07%)
Nov 08, 2011	82.18	82.20	82.07	82.10	18,421	-0.10(-0.12%)
Nov 07, 2011	82.11	82.30	82.11	82.20	16,390	+0.05(+0.06%)
Nov 04, 2011	82.19	82.19	82.08	82.15	114,584	+0.03(+0.04%)
Nov 03, 2011	82.09	82.12	82.03	82.12	59,929	+0.00(+0.00%)
Nov 02, 2011	82.02	82.15	81.98	82.12	25,442	+0.05(+0.06%)

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