Date	Open	High	Low	Close	Volume	Change (%)
Aug 31, 2011	78.79	78.86	78.58	78.59	3,405,877	-0.07(-0.09%)
Aug 30, 2011	78.62	78.78	78.53	78.66	1,544,067	+0.24(+0.31%)
Aug 29, 2011	78.34	78.42	78.29	78.42	1,603,200	-0.09(-0.11%)
Aug 26, 2011	78.60	78.65	78.37	78.50	940,086	+0.11(+0.14%)
Aug 25, 2011	78.33	78.47	78.25	78.39	901,546	+0.16(+0.20%)
Aug 24, 2011	78.59	78.59	78.18	78.24	924,177	-0.44(-0.57%)
Aug 23, 2011	78.75	78.75	78.59	78.68	1,054,842	-0.19(-0.24%)
Aug 22, 2011	78.82	78.93	78.75	78.87	1,061,392	-0.10(-0.13%)
Aug 19, 2011	78.93	78.99	78.81	78.97	1,772,024	+0.04(+0.05%)
Aug 18, 2011	79.12	79.31	78.88	78.93	1,329,556	+0.11(+0.15%)
Aug 17, 2011	78.75	78.93	78.59	78.82	1,559,771	+0.13(+0.16%)
Aug 16, 2011	78.44	78.77	78.44	78.69	1,254,030	+0.17(+0.21%)
Aug 15, 2011	78.61	78.64	78.41	78.52	1,440,902	+0.12(+0.16%)
Aug 12, 2011	78.34	78.63	78.18	78.40	3,444,703	+0.34(+0.44%)
Aug 11, 2011	78.90	78.90	78.04	78.06	3,617,530	-0.98(-1.24%)
Aug 10, 2011	78.77	79.07	78.69	79.04	1,535,995	+0.64(+0.81%)
Aug 09, 2011	78.28	78.93	77.83	78.40	2,288,628	+0.46(+0.59%)
Aug 08, 2011	78.00	78.09	77.88	77.94	2,882,109	+0.04(+0.05%)
Aug 05, 2011	78.21	78.42	77.81	77.91	3,043,557	-0.52(-0.66%)
Aug 04, 2011	78.09	78.49	78.06	78.42	2,209,404	+0.42(+0.53%)
Aug 03, 2011	78.01	78.19	77.95	78.01	1,724,137	+0.08(+0.10%)
Aug 02, 2011	77.72	77.99	77.61	77.93	1,407,987	+0.33(+0.43%)
Aug 01, 2011	77.40	77.68	77.38	77.60	1,812,111	+0.18(+0.24%)
Jul 29, 2011	77.15	77.44	77.08	77.41	1,956,992	+0.46(+0.60%)
Jul 28, 2011	76.95	77.03	76.87	76.95	1,150,633	+0.15(+0.20%)
Jul 27, 2011	76.82	76.95	76.76	76.80	925,825	-0.13(-0.17%)
Jul 26, 2011	76.83	77.00	76.80	76.93	1,162,734	+0.18(+0.23%)
Jul 25, 2011	76.79	76.98	76.73	76.75	1,613,113	-0.22(-0.29%)
Jul 22, 2011	76.89	76.99	76.89	76.97	639,868	+0.16(+0.21%)
Jul 21, 2011	76.84	76.92	76.70	76.81	1,172,430	-0.12(-0.16%)
Jul 20, 2011	76.97	77.15	76.92	76.93	876,381	-0.12(-0.16%)
Jul 19, 2011	76.85	77.05	76.82	77.05	1,089,897	+0.16(+0.21%)
Jul 18, 2011	76.99	77.05	76.85	76.89	896,360	-0.11(-0.15%)
Jul 15, 2011	76.86	77.07	76.81	77.00	891,761	+0.11(+0.14%)
Jul 14, 2011	76.99	77.09	76.88	76.90	2,410,060	-0.19(-0.25%)
Jul 13, 2011	76.89	77.10	76.87	77.09	710,231	+0.15(+0.20%)
Jul 12, 2011	76.95	77.02	76.82	76.94	952,150	+0.06(+0.08%)
Jul 11, 2011	76.82	76.97	76.76	76.87	859,267	+0.21(+0.27%)
Jul 08, 2011	76.57	76.72	76.53	76.67	953,962	+0.39(+0.52%)
Jul 07, 2011	76.32	76.34	76.19	76.27	1,804,617	-0.21(-0.28%)
Jul 06, 2011	76.43	76.53	76.41	76.49	1,082,164	+0.04(+0.06%)
Jul 05, 2011	76.27	76.45	76.27	76.44	1,116,576	+0.29(+0.39%)
Jul 01, 2011	76.22	76.25	76.06	76.15	2,752,652	+0.02(+0.03%)
Jun 30, 2011	76.27	76.30	75.93	76.13	1,815,348	-0.01(-0.02%)
Jun 29, 2011	76.38	76.43	76.13	76.14	3,550,254	-0.23(-0.30%)
Jun 28, 2011	76.61	76.63	76.33	76.37	1,455,032	-0.31(-0.40%)
Jun 27, 2011	76.86	76.86	76.62	76.68	1,023,688	-0.14(-0.18%)
Jun 24, 2011	76.81	76.99	76.81	76.81	1,518,944	-0.07(-0.09%)
Jun 23, 2011	76.75	76.93	76.74	76.88	3,832,616	+0.25(+0.33%)
Jun 22, 2011	76.72	76.76	76.53	76.63	1,257,884	-0.05(-0.07%)
Jun 21, 2011	76.54	76.70	76.53	76.68	1,125,940	+0.07(+0.09%)
Jun 20, 2011	76.63	76.66	76.58	76.61	1,025,516	-0.10(-0.13%)
Jun 17, 2011	76.68	76.73	76.61	76.71	1,220,783	+0.07(+0.09%)
Jun 16, 2011	76.65	76.77	76.63	76.64	1,698,086	+0.05(+0.07%)
Jun 15, 2011	76.42	76.70	76.41	76.59	1,955,365	+0.19(+0.25%)
Jun 14, 2011	76.47	76.49	76.38	76.40	1,679,974	-0.21(-0.27%)
Jun 13, 2011	76.62	76.80	76.58	76.61	1,339,474	-0.10(-0.13%)
Jun 10, 2011	76.74	76.83	76.64	76.70	1,626,045	-0.01(-0.01%)
Jun 09, 2011	76.79	76.83	76.64	76.71	905,838	-0.11(-0.15%)
Jun 08, 2011	76.75	76.93	76.74	76.83	1,520,552	+0.06(+0.08%)
Jun 07, 2011	76.56	76.76	76.49	76.76	2,434,852	+0.16(+0.20%)
Jun 06, 2011	76.53	76.67	76.49	76.61	2,070,049	+0.01(+0.02%)

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