Date	Open	High	Low	Close	Volume	Change (%)
Jul 29, 2011	20.78	20.94	20.77	20.93	3,545,419	+0.00(+0.00%)
Jul 28, 2011	20.91	20.95	20.89	20.93	5,450,594	+0.07(+0.35%)
Jul 27, 2011	20.95	21.01	20.84	20.85	5,011,494	-0.15(-0.72%)
Jul 26, 2011	20.96	21.03	20.94	21.01	4,889,432	+0.06(+0.30%)
Jul 25, 2011	20.97	21.03	20.94	20.94	4,222,967	-0.08(-0.40%)
Jul 22, 2011	21.04	21.04	20.97	21.03	2,701,197	-0.01(-0.02%)
Jul 21, 2011	20.95	21.03	20.93	21.03	5,604,693	+0.11(+0.55%)
Jul 20, 2011	20.93	20.95	20.88	20.92	4,324,803	+0.02(+0.10%)
Jul 19, 2011	20.86	20.90	20.80	20.90	5,095,101	+0.12(+0.58%)
Jul 18, 2011	20.84	20.86	20.76	20.78	2,988,181	-0.08(-0.37%)
Jul 15, 2011	20.89	20.89	20.84	20.85	2,891,507	-0.02(-0.10%)
Jul 14, 2011	20.91	20.91	20.82	20.88	7,039,600	+0.03(+0.12%)
Jul 13, 2011	20.81	20.89	20.74	20.85	5,716,291	+0.12(+0.60%)
Jul 12, 2011	20.76	20.82	20.71	20.72	5,087,744	-0.05(-0.25%)
Jul 11, 2011	20.88	20.90	20.77	20.78	8,280,721	-0.20(-0.97%)
Jul 08, 2011	20.88	21.01	20.85	20.98	9,909,720	-0.02(-0.10%)
Jul 07, 2011	20.93	21.00	20.90	21.00	7,591,431	+0.12(+0.57%)
Jul 06, 2011	20.88	20.89	20.80	20.88	5,325,107	-0.04(-0.20%)
Jul 05, 2011	20.90	20.93	20.83	20.92	8,131,552	-0.02(-0.10%)
Jul 01, 2011	20.83	20.96	20.77	20.94	8,396,072	+0.43(+2.09%)
Jun 30, 2011	20.37	20.54	20.36	20.51	10,474,480	+0.15(+0.73%)
Jun 29, 2011	20.29	20.38	20.26	20.37	7,540,069	+0.13(+0.63%)
Jun 28, 2011	20.18	20.24	20.16	20.24	4,311,448	+0.11(+0.53%)
Jun 27, 2011	20.13	20.16	20.11	20.13	3,531,136	+0.01(+0.05%)
Jun 24, 2011	20.22	20.22	20.09	20.12	5,189,883	-0.07(-0.35%)
Jun 23, 2011	20.06	20.24	19.96	20.19	10,354,502	+0.09(+0.43%)
Jun 22, 2011	20.26	20.26	20.09	20.11	6,238,061	-0.17(-0.83%)
Jun 21, 2011	20.15	20.27	20.15	20.27	9,346,608	+0.13(+0.66%)
Jun 20, 2011	20.15	20.15	20.10	20.14	5,373,496	+0.06(+0.28%)
Jun 17, 2011	20.02	20.13	19.91	20.09	13,957,885	+0.31(+1.55%)
Jun 16, 2011	20.16	20.24	19.68	19.78	32,591,744	-0.38(-1.87%)
Jun 15, 2011	20.21	20.26	20.15	20.16	5,039,277	-0.11(-0.53%)
Jun 14, 2011	20.20	20.30	20.20	20.26	3,672,508	+0.16(+0.81%)
Jun 13, 2011	20.22	20.27	20.10	20.10	9,665,606	-0.06(-0.28%)
Jun 10, 2011	20.33	20.36	20.10	20.16	11,414,087	-0.20(-1.00%)
Jun 09, 2011	20.36	20.43	20.33	20.36	7,994,331	+0.02(+0.10%)
Jun 08, 2011	20.40	20.43	20.34	20.34	5,989,193	-0.07(-0.35%)
Jun 07, 2011	20.45	20.46	20.40	20.41	5,699,170	+0.03(+0.15%)
Jun 06, 2011	20.45	20.45	20.37	20.38	6,266,086	-0.05(-0.22%)
Jun 03, 2011	20.51	20.51	20.42	20.43	8,909,147	+0.14(+0.71%)
May 24, 2011	20.39	20.40	20.28	20.28	6,079,281	-0.07(-0.34%)
May 23, 2011	20.36	20.40	20.34	20.35	5,610,507	-0.08(-0.37%)
May 20, 2011	20.42	20.44	20.40	20.43	2,186,340	+0.00(+0.02%)
May 19, 2011	20.44	20.45	20.41	20.42	2,236,663	-0.02(-0.10%)
May 18, 2011	20.42	20.44	20.39	20.44	3,640,239	+0.04(+0.17%)
May 17, 2011	20.36	20.41	20.33	20.41	3,837,322	+0.04(+0.20%)
May 16, 2011	20.38	20.40	20.34	20.37	3,397,318	+0.03(+0.15%)
May 13, 2011	20.41	20.42	20.33	20.34	4,535,736	-0.06(-0.27%)
May 12, 2011	20.38	20.40	20.32	20.39	3,389,245	+0.02(+0.07%)
May 11, 2011	20.44	20.44	20.36	20.38	3,483,281	-0.04(-0.17%)
May 10, 2011	20.40	20.43	20.37	20.41	3,062,723	+0.04(+0.17%)
May 09, 2011	20.38	20.39	20.35	20.38	3,582,766	-0.00(-0.02%)
May 06, 2011	20.31	20.38	20.31	20.38	6,204,502	+0.12(+0.57%)
May 05, 2011	20.33	20.34	20.24	20.27	6,315,068	-0.07(-0.34%)
May 04, 2011	20.36	20.36	20.31	20.34	3,945,683	-0.02(-0.07%)
May 03, 2011	20.35	20.37	20.30	20.35	3,863,058	+0.01(+0.05%)

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