Date	Open	High	Low	Close	Volume	Change (%)
Aug 31, 2011	78.79	78.86	78.58	78.59	3,405,924	-0.07(-0.09%)
Aug 30, 2011	78.62	78.78	78.53	78.66	1,544,088	+0.24(+0.31%)
Aug 29, 2011	78.34	78.42	78.29	78.41	1,603,223	-0.09(-0.11%)
Aug 26, 2011	78.60	78.64	78.36	78.50	940,099	+0.11(+0.14%)
Aug 25, 2011	78.33	78.46	78.25	78.39	901,558	+0.16(+0.20%)
Aug 24, 2011	78.59	78.59	78.18	78.24	924,189	-0.44(-0.57%)
Aug 23, 2011	78.74	78.74	78.59	78.68	1,054,856	-0.19(-0.24%)
Aug 22, 2011	78.82	78.93	78.74	78.87	1,061,406	-0.10(-0.13%)
Aug 19, 2011	78.93	78.99	78.81	78.97	1,772,048	+0.04(+0.05%)
Aug 18, 2011	79.12	79.30	78.87	78.93	1,329,574	+0.11(+0.15%)
Aug 17, 2011	78.75	78.92	78.59	78.82	1,559,793	+0.13(+0.16%)
Aug 16, 2011	78.44	78.77	78.44	78.69	1,254,047	+0.17(+0.21%)
Aug 15, 2011	78.61	78.64	78.41	78.52	1,440,922	+0.12(+0.16%)
Aug 12, 2011	78.34	78.63	78.18	78.40	3,444,751	+0.34(+0.44%)
Aug 11, 2011	78.90	78.90	78.03	78.06	3,617,580	-0.98(-1.24%)
Aug 10, 2011	78.77	79.07	78.69	79.04	1,536,017	+0.64(+0.81%)
Aug 09, 2011	78.28	78.92	77.83	78.40	2,288,660	+0.46(+0.59%)
Aug 08, 2011	78.00	78.08	77.88	77.94	2,882,149	+0.04(+0.05%)
Aug 05, 2011	78.21	78.41	77.81	77.91	3,043,599	-0.52(-0.66%)
Aug 04, 2011	78.08	78.49	78.06	78.42	2,209,435	+0.42(+0.53%)
Aug 03, 2011	78.01	78.19	77.95	78.01	1,724,161	+0.08(+0.10%)
Aug 02, 2011	77.72	77.99	77.61	77.93	1,408,007	+0.33(+0.43%)
Aug 01, 2011	77.40	77.68	77.38	77.59	1,812,137	+0.18(+0.24%)
Jul 29, 2011	77.15	77.44	77.08	77.41	1,957,019	+0.46(+0.60%)
Jul 28, 2011	76.94	77.03	76.87	76.95	1,150,649	+0.15(+0.20%)
Jul 27, 2011	76.82	76.94	76.76	76.80	925,838	-0.13(-0.17%)
Jul 26, 2011	76.83	77.00	76.80	76.93	1,162,751	+0.18(+0.23%)
Jul 25, 2011	76.79	76.98	76.73	76.75	1,613,135	-0.22(-0.29%)
Jul 22, 2011	76.89	76.99	76.89	76.97	639,877	+0.16(+0.21%)
Jul 21, 2011	76.84	76.92	76.70	76.81	1,172,446	-0.12(-0.16%)
Jul 20, 2011	76.97	77.15	76.92	76.93	876,394	-0.12(-0.16%)
Jul 19, 2011	76.84	77.05	76.82	77.05	1,089,913	+0.16(+0.21%)
Jul 18, 2011	76.99	77.04	76.85	76.89	896,373	-0.11(-0.15%)
Jul 15, 2011	76.86	77.07	76.81	77.00	891,773	+0.11(+0.14%)
Jul 14, 2011	76.99	77.09	76.88	76.89	2,410,094	-0.19(-0.25%)
Jul 13, 2011	76.89	77.09	76.87	77.09	710,241	+0.15(+0.20%)
Jul 12, 2011	76.94	77.02	76.82	76.94	952,163	+0.06(+0.08%)
Jul 11, 2011	76.82	76.97	76.76	76.87	859,279	+0.21(+0.27%)
Jul 08, 2011	76.57	76.72	76.53	76.67	953,975	+0.39(+0.52%)
Jul 07, 2011	76.31	76.34	76.19	76.27	1,804,642	-0.21(-0.28%)
Jul 06, 2011	76.43	76.53	76.41	76.49	1,082,179	+0.04(+0.06%)
Jul 05, 2011	76.27	76.45	76.27	76.44	1,116,592	+0.29(+0.39%)
Jul 01, 2011	76.22	76.25	76.06	76.15	2,752,691	+0.02(+0.03%)
Jun 30, 2011	76.27	76.30	75.93	76.13	1,815,373	-0.01(-0.02%)
Jun 29, 2011	76.38	76.43	76.13	76.14	3,550,303	-0.23(-0.30%)
Jun 28, 2011	76.60	76.63	76.33	76.37	1,455,052	-0.31(-0.40%)
Jun 27, 2011	76.86	76.86	76.62	76.68	1,023,702	-0.14(-0.18%)
Jun 24, 2011	76.81	76.99	76.80	76.81	1,518,965	-0.07(-0.09%)
Jun 23, 2011	76.75	76.93	76.74	76.88	3,832,669	+0.25(+0.33%)
Jun 22, 2011	76.72	76.76	76.53	76.63	1,257,901	-0.05(-0.07%)
Jun 21, 2011	76.54	76.70	76.53	76.68	1,125,956	+0.07(+0.09%)
Jun 20, 2011	76.63	76.66	76.58	76.61	1,025,530	-0.10(-0.13%)
Jun 17, 2011	76.68	76.73	76.60	76.71	1,220,800	+0.07(+0.09%)
Jun 16, 2011	76.65	76.77	76.63	76.64	1,698,109	+0.05(+0.07%)
Jun 15, 2011	76.42	76.70	76.40	76.59	1,955,392	+0.19(+0.25%)
Jun 14, 2011	76.47	76.49	76.38	76.40	1,679,997	-0.21(-0.27%)
Jun 13, 2011	76.62	76.80	76.58	76.60	1,339,492	-0.10(-0.13%)
Jun 10, 2011	76.74	76.83	76.64	76.70	1,626,068	-0.01(-0.01%)
Jun 09, 2011	76.79	76.83	76.64	76.71	905,851	-0.11(-0.15%)
Jun 08, 2011	76.75	76.93	76.74	76.83	1,520,573	+0.06(+0.08%)
Jun 07, 2011	76.55	76.76	76.49	76.76	2,434,885	+0.16(+0.20%)
Jun 06, 2011	76.53	76.67	76.49	76.60	2,070,077	+0.01(+0.02%)

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