Date	Open	High	Low	Close	Volume	Change (%)
Jul 29, 2011	73.02	73.09	73.02	73.06	1,362,371	+0.08(+0.11%)
Jul 28, 2011	73.01	73.02	72.97	72.98	3,895,826	+0.04(+0.06%)
Jul 27, 2011	72.96	72.97	72.92	72.94	1,295,087	-0.04(-0.06%)
Jul 26, 2011	72.96	73.00	72.96	72.98	1,338,073	+0.04(+0.06%)
Jul 25, 2011	72.96	72.99	72.94	72.94	4,487,768	-0.03(-0.05%)
Jul 22, 2011	72.98	73.00	72.97	72.97	823,912	+0.01(+0.01%)
Jul 21, 2011	72.99	73.01	72.96	72.96	831,186	-0.03(-0.05%)
Jul 20, 2011	73.01	73.02	72.99	73.00	711,816	-0.03(-0.04%)
Jul 19, 2011	73.03	73.05	73.01	73.02	982,823	+0.00(+0.00%)
Jul 18, 2011	73.02	73.04	73.01	73.02	1,755,221	+0.00(+0.00%)
Jul 15, 2011	72.99	73.02	72.98	73.02	702,620	+0.02(+0.02%)
Jul 14, 2011	72.99	73.02	72.99	73.01	1,064,052	-0.03(-0.04%)
Jul 13, 2011	73.02	73.04	73.00	73.03	708,093	+0.02(+0.02%)
Jul 12, 2011	73.02	73.03	72.98	73.02	1,232,122	-0.01(-0.01%)
Jul 11, 2011	72.99	73.03	72.99	73.02	1,992,843	+0.05(+0.07%)
Jul 08, 2011	72.87	73.00	72.96	72.97	960,269	+0.10(+0.14%)
Jul 07, 2011	72.89	72.89	72.84	72.87	1,109,763	-0.07(-0.09%)
Jul 06, 2011	72.92	72.96	72.92	72.94	774,579	+0.03(+0.04%)
Jul 05, 2011	72.88	72.92	72.88	72.91	1,305,127	+0.09(+0.12%)
Jul 01, 2011	72.89	72.89	72.81	72.83	3,673,439	-0.02(-0.03%)
Jun 30, 2011	72.89	72.90	72.80	72.85	2,196,280	-0.01(-0.01%)
Jun 29, 2011	72.87	72.88	72.83	72.86	1,519,115	+0.00(+0.00%)
Jun 28, 2011	72.94	72.96	72.85	72.86	1,303,679	-0.13(-0.18%)
Jun 27, 2011	73.02	73.04	72.96	72.99	1,656,730	-0.07(-0.09%)
Jun 24, 2011	73.01	73.07	73.00	73.06	1,236,531	+0.04(+0.06%)
Jun 23, 2011	73.01	73.03	73.00	73.01	2,169,678	+0.04(+0.06%)
Jun 22, 2011	73.00	73.01	72.95	72.97	1,359,703	-0.02(-0.02%)
Jun 21, 2011	72.95	72.99	72.95	72.99	8,668,868	+0.01(+0.01%)
Jun 20, 2011	72.97	72.98	72.96	72.98	1,061,389	+0.00(+0.00%)
Jun 17, 2011	72.96	72.98	72.95	72.98	1,954,376	+0.02(+0.02%)
Jun 16, 2011	72.96	72.97	72.93	72.96	1,287,085	+0.01(+0.01%)
Jun 15, 2011	72.89	72.97	72.89	72.95	804,276	+0.10(+0.14%)
Jun 14, 2011	72.86	72.89	72.85	72.85	1,504,961	-0.06(-0.08%)
Jun 13, 2011	72.90	72.95	72.88	72.91	1,039,535	-0.03(-0.04%)
Jun 10, 2011	72.90	72.94	72.90	72.94	829,908	+0.06(+0.08%)
Jun 09, 2011	72.93	72.94	72.87	72.88	1,325,926	-0.08(-0.11%)
Jun 08, 2011	72.93	72.97	72.93	72.95	1,057,936	+0.01(+0.01%)
Jun 07, 2011	72.90	72.95	72.88	72.95	1,602,871	+0.05(+0.07%)
Jun 06, 2011	72.88	72.92	72.87	72.89	2,125,111	+0.01(+0.01%)
Jun 03, 2011	72.92	72.92	72.86	72.88	1,128,720	+0.13(+0.19%)
May 24, 2011	72.73	72.76	72.72	72.75	1,045,628	+0.00(+0.00%)
May 23, 2011	72.77	72.78	72.74	72.75	820,300	+0.01(+0.01%)
May 20, 2011	72.73	72.76	72.72	72.74	1,227,360	+0.03(+0.04%)
May 19, 2011	72.63	72.73	72.63	72.72	875,496	+0.01(+0.01%)
May 18, 2011	72.72	72.73	72.69	72.71	1,530,640	-0.03(-0.05%)
May 17, 2011	72.72	72.77	72.72	72.74	1,099,776	+0.01(+0.01%)
May 16, 2011	72.70	72.73	72.68	72.73	1,689,105	+0.03(+0.05%)
May 13, 2011	72.68	72.72	72.67	72.70	791,150	+0.03(+0.05%)
May 12, 2011	72.70	72.70	72.65	72.66	862,286	-0.03(-0.05%)
May 11, 2011	72.65	72.71	72.64	72.70	1,624,801	+0.07(+0.10%)
May 10, 2011	72.68	72.68	72.63	72.63	840,019	-0.07(-0.10%)
May 09, 2011	72.70	72.71	72.68	72.70	614,822	+0.03(+0.05%)
May 06, 2011	72.61	72.70	72.59	72.66	1,884,370	+0.01(+0.01%)
May 05, 2011	72.63	72.66	72.62	72.66	1,041,745	+0.02(+0.02%)
May 04, 2011	72.60	72.66	72.57	72.64	1,768,769	+0.03(+0.05%)
May 03, 2011	72.60	72.61	72.58	72.60	522,200	+0.03(+0.04%)

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