Date	Open	High	Low	Close	Volume	Change (%)
Jul 29, 2011	20.44	20.66	20.38	20.47	1,953,210	-0.13(-0.62%)
Jul 28, 2011	20.61	20.75	20.59	20.60	2,100,382	+0.07(+0.34%)
Jul 27, 2011	20.74	20.75	20.45	20.53	2,115,694	-0.33(-1.59%)
Jul 26, 2011	20.93	20.95	20.83	20.86	1,358,265	+0.03(+0.12%)
Jul 25, 2011	20.87	20.92	20.78	20.84	1,529,781	-0.14(-0.67%)
Jul 22, 2011	20.97	21.01	20.93	20.98	1,973,224	+0.13(+0.61%)
Jul 21, 2011	20.68	20.91	20.64	20.85	2,568,839	+0.32(+1.56%)
Jul 20, 2011	20.45	20.58	20.39	20.53	3,713,901	+0.17(+0.82%)
Jul 19, 2011	20.23	20.41	20.20	20.36	3,618,213	+0.12(+0.60%)
Jul 18, 2011	20.16	20.26	20.05	20.24	1,360,284	-0.22(-1.09%)
Jul 15, 2011	20.41	20.48	20.25	20.47	1,850,619	-0.01(-0.06%)
Jul 14, 2011	20.55	20.67	20.43	20.48	2,202,900	-0.01(-0.03%)
Jul 13, 2011	20.46	20.61	20.36	20.48	1,814,223	+0.07(+0.34%)
Jul 12, 2011	20.40	20.62	20.39	20.41	2,084,950	-0.22(-1.08%)
Jul 11, 2011	20.69	20.73	20.53	20.64	3,047,190	-0.52(-2.47%)
Jul 08, 2011	21.22	21.33	21.04	21.16	2,075,906	-0.01(-0.03%)
Jul 07, 2011	21.07	21.19	21.07	21.17	1,356,792	+0.25(+1.19%)
Jul 06, 2011	20.97	21.03	20.85	20.92	1,180,020	-0.03(-0.12%)
Jul 05, 2011	21.01	21.05	20.91	20.94	1,565,300	+0.14(+0.68%)
Jul 01, 2011	20.55	20.83	20.52	20.80	1,707,328	+0.12(+0.59%)
Jun 30, 2011	20.48	20.71	20.46	20.68	1,479,173	+0.12(+0.56%)
Jun 29, 2011	20.50	20.62	20.43	20.57	1,658,795	+0.08(+0.37%)
Jun 28, 2011	20.50	20.57	20.40	20.49	2,191,856	+0.13(+0.66%)
Jun 27, 2011	20.21	20.43	20.20	20.36	1,533,557	+0.20(+0.98%)
Jun 24, 2011	20.24	20.25	20.09	20.16	1,526,073	+0.11(+0.54%)
Jun 23, 2011	19.86	20.06	19.77	20.05	2,838,155	-0.28(-1.38%)
Jun 22, 2011	20.43	20.50	20.31	20.33	1,529,459	-0.08(-0.41%)
Jun 21, 2011	20.38	20.46	20.34	20.41	1,022,994	+0.15(+0.76%)
Jun 20, 2011	20.27	20.29	20.22	20.26	1,255,793	+0.04(+0.22%)
Jun 17, 2011	20.27	20.32	20.14	20.22	1,885,798	+0.20(+0.99%)
Jun 16, 2011	19.83	20.08	19.81	20.02	2,438,055	+0.06(+0.29%)
Jun 15, 2011	20.13	20.23	19.92	19.96	2,209,004	-0.51(-2.50%)
Jun 14, 2011	20.40	20.54	20.37	20.47	1,437,451	+0.20(+0.98%)
Jun 13, 2011	20.22	20.35	20.15	20.27	1,480,036	+0.13(+0.67%)
Jun 10, 2011	20.47	20.48	20.11	20.14	4,176,273	-0.45(-2.17%)
Jun 09, 2011	20.40	20.67	20.36	20.59	2,537,373	+0.02(+0.09%)
Jun 08, 2011	20.67	20.68	20.50	20.57	2,515,741	-0.19(-0.89%)
Jun 07, 2011	20.87	20.91	20.75	20.75	1,334,129	+0.20(+0.96%)
Jun 06, 2011	20.76	20.77	20.53	20.55	1,198,094	-0.13(-0.65%)
Jun 03, 2011	20.53	20.79	20.52	20.69	1,992,404	+0.56(+2.79%)
May 24, 2011	20.19	20.23	20.08	20.13	1,640,270	-0.02(-0.10%)
May 23, 2011	20.18	20.25	20.06	20.15	3,031,139	-0.29(-1.41%)
May 20, 2011	20.62	20.62	20.31	20.43	2,323,244	-0.33(-1.60%)
May 19, 2011	20.60	20.78	20.50	20.77	2,255,431	+0.19(+0.93%)
May 18, 2011	20.44	20.61	20.40	20.57	1,397,017	+0.06(+0.28%)
May 17, 2011	20.37	20.57	20.34	20.52	1,669,789	+0.06(+0.28%)
May 16, 2011	20.39	20.57	20.37	20.46	4,449,898	-0.11(-0.56%)
May 13, 2011	20.80	20.82	20.42	20.57	1,641,581	-0.27(-1.32%)
May 12, 2011	20.62	20.89	20.57	20.85	1,393,621	+0.20(+0.96%)
May 11, 2011	20.78	20.84	20.59	20.65	1,765,950	-0.19(-0.89%)
May 10, 2011	20.64	20.86	20.60	20.84	1,967,373	+0.40(+1.95%)
May 09, 2011	20.37	20.47	20.29	20.44	2,486,512	+0.05(+0.25%)
May 06, 2011	20.60	20.69	20.29	20.39	2,693,954	+0.15(+0.75%)
May 05, 2011	20.32	20.41	20.17	20.24	5,711,834	-0.39(-1.90%)
May 04, 2011	20.77	20.77	20.56	20.63	4,038,537	-0.10(-0.49%)
May 03, 2011	20.68	20.79	20.55	20.73	4,715,386	+0.04(+0.21%)

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