Date	Open	High	Low	Close	Volume	Change (%)
Mar 31, 2011	82.56	82.59	82.47	82.50	449,330	-0.15(-0.18%)
Mar 30, 2011	82.59	82.65	82.58	82.64	136,083	+0.05(+0.06%)
Mar 29, 2011	82.59	82.62	82.58	82.59	300,571	-0.01(-0.01%)
Mar 28, 2011	82.55	82.60	82.54	82.60	134,603	+0.02(+0.02%)
Mar 25, 2011	82.59	82.62	82.57	82.59	89,949	-0.02(-0.02%)
Mar 24, 2011	82.55	82.62	82.55	82.60	112,183	+0.07(+0.08%)
Mar 23, 2011	82.62	82.62	82.54	82.54	171,815	-0.01(-0.01%)
Mar 22, 2011	82.59	82.59	82.53	82.54	116,162	-0.02(-0.02%)
Mar 21, 2011	82.55	82.57	82.54	82.56	107,609	+0.02(+0.02%)
Mar 18, 2011	82.55	82.59	82.54	82.54	212,873	-0.04(-0.05%)
Mar 17, 2011	82.54	82.59	82.53	82.59	456,050	+0.02(+0.03%)
Mar 16, 2011	82.55	82.63	82.54	82.56	412,936	+0.02(+0.03%)
Mar 15, 2011	82.62	82.62	82.51	82.54	255,002	-0.05(-0.06%)
Mar 14, 2011	82.62	82.63	82.58	82.59	55,564	-0.02(-0.02%)
Mar 11, 2011	82.61	82.61	82.55	82.60	97,809	+0.04(+0.05%)
Mar 10, 2011	82.56	82.57	82.52	82.56	135,845	-0.00(-0.00%)
Mar 09, 2011	82.54	82.57	82.52	82.56	67,324	+0.05(+0.06%)
Mar 08, 2011	82.53	82.53	82.50	82.51	94,903	-0.02(-0.03%)
Mar 07, 2011	82.51	82.54	82.50	82.54	101,545	+0.02(+0.02%)
Mar 04, 2011	82.45	82.52	82.43	82.52	156,150	+0.08(+0.10%)
Mar 03, 2011	82.50	82.51	82.44	82.44	337,572	-0.06(-0.07%)
Mar 02, 2011	82.50	82.51	82.48	82.50	55,119	-0.01(-0.01%)
Mar 01, 2011	82.47	82.50	82.46	82.50	147,083	-0.02(-0.02%)
Feb 28, 2011	82.49	82.52	82.45	82.52	83,568	+0.01(+0.01%)
Feb 25, 2011	82.50	82.52	82.46	82.51	92,064	+0.02(+0.03%)
Feb 24, 2011	82.49	82.54	82.48	82.49	159,616	+0.01(+0.01%)
Feb 23, 2011	82.49	82.50	82.47	82.48	96,079	-0.02(-0.02%)
Feb 22, 2011	82.49	82.50	82.45	82.50	75,592	+0.02(+0.03%)
Feb 18, 2011	82.41	82.47	82.41	82.47	201,551	+0.04(+0.05%)
Feb 17, 2011	82.38	82.43	82.38	82.43	70,542	+0.03(+0.04%)
Feb 16, 2011	82.38	82.40	82.35	82.40	163,231	+0.05(+0.06%)
Feb 15, 2011	82.30	82.35	82.30	82.35	61,224	+0.05(+0.06%)
Feb 14, 2011	82.31	82.35	82.30	82.30	79,248	-0.01(-0.01%)
Feb 11, 2011	82.28	82.35	82.28	82.31	64,179	+0.02(+0.03%)
Feb 10, 2011	82.30	82.32	82.25	82.28	225,144	+0.00(+0.00%)
Feb 09, 2011	82.25	82.32	82.25	82.28	105,872	+0.05(+0.06%)
Feb 08, 2011	82.32	82.32	82.23	82.23	107,759	-0.07(-0.08%)
Feb 07, 2011	82.27	82.33	82.27	82.30	57,125	+0.02(+0.02%)
Feb 04, 2011	82.31	82.34	82.27	82.28	120,274	-0.05(-0.06%)
Feb 03, 2011	82.34	82.34	82.27	82.33	99,168	-0.03(-0.04%)
Feb 02, 2011	82.39	82.39	82.32	82.36	144,401	-0.01(-0.01%)
Feb 01, 2011	82.37	82.41	82.33	82.37	109,733	-0.02(-0.03%)
Jan 31, 2011	82.43	82.43	82.38	82.40	43,653	-0.10(-0.12%)
Jan 28, 2011	82.45	82.50	82.43	82.50	37,599	+0.04(+0.05%)
Jan 27, 2011	82.41	82.46	82.41	82.45	46,931	+0.04(+0.05%)
Jan 26, 2011	82.44	82.45	82.40	82.41	63,380	-0.02(-0.02%)
Jan 25, 2011	82.40	82.44	82.39	82.43	123,113	+0.03(+0.04%)
Jan 24, 2011	82.40	82.41	82.36	82.40	111,466	+0.01(+0.01%)
Jan 21, 2011	82.34	82.39	82.34	82.39	24,860	+0.03(+0.04%)
Jan 20, 2011	82.37	82.40	82.32	82.36	57,358	-0.07(-0.08%)
Jan 19, 2011	82.41	82.42	82.35	82.42	199,909	+0.01(+0.01%)
Jan 18, 2011	82.41	82.42	82.37	82.41	49,996	-0.01(-0.02%)
Jan 14, 2011	82.42	82.44	82.41	82.43	56,551	+0.01(+0.02%)
Jan 13, 2011	82.33	82.41	82.32	82.41	172,893	+0.05(+0.06%)
Jan 12, 2011	82.32	82.36	82.32	82.36	109,685	-0.02(-0.02%)
Jan 11, 2011	82.41	82.41	82.36	82.38	51,720	-0.01(-0.01%)
Jan 10, 2011	82.35	82.40	82.35	82.39	180,801	+0.04(+0.05%)
Jan 07, 2011	82.32	82.36	82.31	82.35	151,297	+0.04(+0.05%)
Jan 06, 2011	82.31	82.31	82.27	82.31	186,339	+0.00(+0.00%)
Jan 05, 2011	82.32	82.32	82.28	82.31	254,566	-0.02(-0.03%)
Jan 04, 2011	82.32	82.36	82.29	82.33	135,323	+0.07(+0.09%)

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