Date	Open	High	Low	Close	Volume	Change (%)
Aug 31, 2011	73.33	73.33	73.28	73.31	1,636,739	+0.00(+0.00%)
Aug 30, 2011	73.30	73.33	73.30	73.31	2,581,345	+0.02(+0.02%)
Aug 29, 2011	73.30	73.31	73.28	73.29	616,218	-0.02(-0.02%)
Aug 26, 2011	73.32	73.34	73.30	73.31	1,168,521	+0.01(+0.01%)
Aug 25, 2011	73.28	73.31	73.28	73.30	1,614,393	+0.04(+0.06%)
Aug 24, 2011	73.27	73.28	73.24	73.26	901,991	+0.00(+0.00%)
Aug 23, 2011	73.28	73.28	73.26	73.26	1,769,014	-0.03(-0.05%)
Aug 22, 2011	73.28	73.29	73.28	73.29	1,285,264	-0.01(-0.01%)
Aug 19, 2011	73.28	73.30	73.28	73.30	2,188,982	+0.00(+0.00%)
Aug 18, 2011	73.33	73.34	73.29	73.30	1,383,045	-0.01(-0.01%)
Aug 17, 2011	73.30	73.31	73.27	73.31	1,700,388	+0.02(+0.02%)
Aug 16, 2011	73.28	73.29	73.27	73.29	3,148,287	+0.00(+0.00%)
Aug 15, 2011	73.30	73.30	73.27	73.29	1,068,119	-0.03(-0.04%)
Aug 12, 2011	73.29	73.32	73.28	73.32	4,652,198	+0.01(+0.01%)
Aug 11, 2011	73.31	73.33	73.28	73.31	1,562,447	-0.02(-0.02%)
Aug 10, 2011	73.31	73.35	73.28	73.33	3,099,547	+0.05(+0.07%)
Aug 09, 2011	73.16	73.34	73.14	73.28	6,036,709	+0.08(+0.11%)
Aug 08, 2011	73.18	73.25	73.18	73.20	3,469,918	+0.03(+0.04%)
Aug 05, 2011	73.14	73.20	73.12	73.17	4,364,635	-0.02(-0.02%)
Aug 04, 2011	73.11	73.20	73.11	73.19	2,953,722	+0.07(+0.09%)
Aug 03, 2011	73.10	73.14	73.09	73.12	3,069,617	-0.01(-0.01%)
Aug 02, 2011	73.09	73.14	73.08	73.13	1,276,321	+0.10(+0.13%)
Aug 01, 2011	73.04	73.09	73.03	73.03	2,806,463	-0.03(-0.03%)
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%)

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