Date	Open	High	Low	Close	Volume	Change (%)
Jul 29, 2011	81.51	81.53	81.41	81.48	196,794	-0.02(-0.03%)
Jul 28, 2011	81.52	81.53	81.50	81.50	144,328	+0.01(+0.01%)
Jul 27, 2011	81.55	81.56	81.49	81.49	177,310	-0.08(-0.10%)
Jul 26, 2011	81.55	81.57	81.52	81.57	272,722	+0.02(+0.03%)
Jul 25, 2011	81.52	81.55	81.51	81.55	140,233	+0.01(+0.01%)
Jul 22, 2011	81.53	81.54	81.53	81.54	92,186	+0.01(+0.01%)
Jul 21, 2011	81.53	81.54	81.49	81.53	118,094	-0.01(-0.01%)
Jul 20, 2011	81.51	81.56	81.51	81.54	109,225	-0.02(-0.02%)
Jul 19, 2011	81.54	81.56	81.50	81.56	192,567	-0.01(-0.01%)
Jul 18, 2011	81.57	81.57	81.53	81.57	174,334	+0.06(+0.07%)
Jul 15, 2011	81.55	81.56	81.51	81.51	153,061	-0.02(-0.02%)
Jul 14, 2011	81.57	81.57	81.52	81.53	119,235	-0.04(-0.05%)
Jul 13, 2011	81.53	81.57	81.53	81.57	408,504	-0.02(-0.02%)
Jul 12, 2011	81.57	81.58	81.54	81.58	171,506	+0.02(+0.02%)
Jul 11, 2011	81.54	81.58	81.54	81.57	135,942	+0.01(+0.01%)
Jul 08, 2011	81.57	81.58	81.55	81.56	152,468	+0.02(+0.03%)
Jul 07, 2011	81.54	81.55	81.52	81.53	86,298	-0.04(-0.05%)
Jul 06, 2011	81.57	81.57	81.53	81.57	219,895	+0.01(+0.01%)
Jul 05, 2011	81.52	81.57	81.52	81.57	164,350	+0.03(+0.04%)
Jul 01, 2011	81.50	81.53	81.50	81.53	249,352	+0.01(+0.01%)
Jun 30, 2011	81.50	81.53	81.47	81.53	503,678	+0.01(+0.01%)
Jun 29, 2011	81.57	81.57	81.52	81.52	481,974	-0.04(-0.05%)
Jun 28, 2011	81.57	81.58	81.54	81.56	146,696	-0.02(-0.03%)
Jun 27, 2011	81.61	81.61	81.58	81.58	220,810	-0.03(-0.04%)
Jun 24, 2011	81.59	81.61	81.59	81.61	202,120	+0.01(+0.01%)
Jun 23, 2011	81.58	81.61	81.58	81.61	107,799	+0.00(+0.00%)
Jun 22, 2011	81.60	81.65	81.59	81.61	143,378	+0.01(+0.01%)
Jun 21, 2011	81.60	81.60	81.58	81.60	212,368	-0.01(-0.01%)
Jun 20, 2011	81.60	81.61	81.59	81.61	1,054,930	+0.04(+0.05%)
Jun 17, 2011	81.59	81.61	81.57	81.57	583,602	-0.02(-0.03%)
Jun 16, 2011	81.57	81.60	81.56	81.59	163,943	+0.00(+0.00%)
Jun 15, 2011	81.58	81.59	81.54	81.59	164,253	+0.03(+0.04%)
Jun 14, 2011	81.57	81.59	81.55	81.56	85,606	-0.05(-0.06%)
Jun 13, 2011	81.61	81.61	81.60	81.61	180,159	-0.00(-0.00%)
Jun 10, 2011	81.58	81.61	81.58	81.61	168,444	+0.02(+0.03%)
Jun 09, 2011	81.61	81.61	81.57	81.58	204,960	-0.04(-0.05%)
Jun 08, 2011	81.62	81.63	81.60	81.62	209,899	+0.01(+0.01%)
Jun 07, 2011	81.59	81.61	81.58	81.61	172,109	+0.04(+0.05%)
Jun 06, 2011	81.60	81.60	81.57	81.57	92,018	-0.04(-0.05%)
Jun 03, 2011	81.59	81.61	81.59	81.61	115,654	-0.06(-0.07%)
May 24, 2011	81.66	81.67	81.65	81.67	275,726	+0.02(+0.03%)
May 23, 2011	81.67	81.67	81.65	81.65	179,624	+0.01(+0.01%)
May 20, 2011	81.65	81.66	81.64	81.64	250,163	-0.02(-0.02%)
May 19, 2011	81.62	81.65	81.62	81.65	135,653	+0.02(+0.03%)
May 18, 2011	81.65	81.65	81.63	81.63	103,409	-0.04(-0.05%)
May 17, 2011	81.67	81.67	81.64	81.67	119,812	+0.00(+0.00%)
May 16, 2011	81.67	81.68	81.63	81.67	317,074	-0.00(-0.00%)
May 13, 2011	81.65	81.69	81.65	81.67	202,794	+0.04(+0.05%)
May 12, 2011	81.64	81.65	81.61	81.63	111,123	-0.02(-0.02%)
May 11, 2011	81.61	81.65	81.61	81.65	138,094	+0.02(+0.02%)
May 10, 2011	81.61	81.65	81.61	81.63	109,646	-0.01(-0.01%)
May 09, 2011	81.61	81.65	81.61	81.64	88,401	+0.01(+0.01%)
May 06, 2011	81.58	81.63	81.58	81.63	74,833	+0.01(+0.01%)
May 05, 2011	81.61	81.62	81.58	81.62	143,546	+0.01(+0.01%)
May 04, 2011	81.58	81.62	81.58	81.61	276,598	+0.03(+0.04%)
May 03, 2011	81.61	81.61	81.58	81.58	179,475	+0.01(+0.01%)

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