Date	Open	High	Low	Close	Volume	Change (%)
Aug 31, 2011	83.49	83.56	83.27	83.27	3,214,253	-0.08(-0.09%)
Aug 30, 2011	83.31	83.48	83.21	83.35	1,457,193	+0.26(+0.31%)
Aug 29, 2011	83.01	83.10	82.95	83.09	1,513,000	-0.09(-0.11%)
Aug 26, 2011	83.29	83.33	83.04	83.18	887,194	+0.11(+0.14%)
Aug 25, 2011	83.00	83.14	82.92	83.07	850,822	+0.17(+0.20%)
Aug 24, 2011	83.27	83.28	82.84	82.90	872,180	-0.47(-0.57%)
Aug 23, 2011	83.44	83.44	83.27	83.37	995,493	-0.20(-0.24%)
Aug 22, 2011	83.52	83.64	83.44	83.57	1,001,675	-0.11(-0.13%)
Aug 19, 2011	83.64	83.70	83.51	83.68	1,672,325	+0.04(+0.05%)
Aug 18, 2011	83.84	84.03	83.58	83.64	1,254,752	+0.12(+0.15%)
Aug 17, 2011	83.45	83.63	83.27	83.52	1,472,014	+0.14(+0.16%)
Aug 16, 2011	83.11	83.47	83.11	83.38	1,183,475	+0.17(+0.21%)
Aug 15, 2011	83.30	83.33	83.08	83.20	1,359,833	+0.13(+0.16%)
Aug 12, 2011	83.01	83.32	82.84	83.08	3,250,895	+0.37(+0.44%)
Aug 11, 2011	83.61	83.61	82.69	82.71	3,413,998	-1.04(-1.24%)
Aug 10, 2011	83.46	83.78	83.38	83.75	1,449,576	+0.68(+0.81%)
Aug 09, 2011	82.95	83.63	82.47	83.08	2,159,864	+0.49(+0.59%)
Aug 08, 2011	82.65	82.74	82.52	82.59	2,719,954	+0.04(+0.05%)
Aug 05, 2011	82.87	83.09	82.45	82.55	2,872,318	-0.55(-0.66%)
Aug 04, 2011	82.74	83.17	82.71	83.10	2,085,097	+0.44(+0.53%)
Aug 03, 2011	82.66	82.85	82.60	82.66	1,627,132	+0.08(+0.10%)
Aug 02, 2011	82.35	82.64	82.24	82.57	1,328,770	+0.35(+0.43%)
Aug 01, 2011	82.01	82.31	82.00	82.22	1,710,157	+0.20(+0.24%)
Jul 29, 2011	81.75	82.06	81.68	82.03	1,846,885	+0.49(+0.60%)
Jul 28, 2011	81.53	81.62	81.46	81.54	1,085,895	+0.16(+0.20%)
Jul 27, 2011	81.40	81.53	81.34	81.38	873,735	-0.14(-0.17%)
Jul 26, 2011	81.41	81.59	81.38	81.52	1,097,315	+0.19(+0.23%)
Jul 25, 2011	81.37	81.57	81.31	81.33	1,522,354	-0.24(-0.29%)
Jul 22, 2011	81.48	81.58	81.48	81.56	603,867	+0.17(+0.21%)
Jul 21, 2011	81.42	81.50	81.28	81.39	1,106,465	-0.13(-0.16%)
Jul 20, 2011	81.56	81.75	81.50	81.52	827,073	-0.13(-0.16%)
Jul 19, 2011	81.43	81.65	81.40	81.65	1,028,576	+0.17(+0.21%)
Jul 18, 2011	81.58	81.64	81.43	81.47	845,928	-0.12(-0.15%)
Jul 15, 2011	81.44	81.67	81.39	81.59	841,587	+0.11(+0.14%)
Jul 14, 2011	81.58	81.68	81.46	81.48	2,274,462	-0.20(-0.25%)
Jul 13, 2011	81.47	81.69	81.45	81.68	670,271	+0.16(+0.20%)
Jul 12, 2011	81.53	81.61	81.40	81.53	898,579	+0.07(+0.08%)
Jul 11, 2011	81.40	81.56	81.34	81.46	810,922	+0.22(+0.27%)
Jul 08, 2011	81.13	81.30	81.09	81.24	900,289	+0.42(+0.52%)
Jul 07, 2011	80.87	80.90	80.73	80.82	1,703,083	-0.23(-0.28%)
Jul 06, 2011	80.99	81.09	80.96	81.05	1,021,278	+0.05(+0.06%)
Jul 05, 2011	80.82	81.01	80.82	81.00	1,053,754	+0.31(+0.39%)
Jul 01, 2011	80.77	80.80	80.59	80.69	2,597,779	+0.03(+0.03%)
Jun 30, 2011	80.82	80.85	80.46	80.67	1,713,204	-0.02(-0.02%)
Jun 29, 2011	80.94	80.98	80.67	80.68	3,350,493	-0.24(-0.30%)
Jun 28, 2011	81.17	81.20	80.88	80.92	1,373,162	-0.33(-0.40%)
Jun 27, 2011	81.44	81.44	81.19	81.25	966,089	-0.14(-0.18%)
Jun 24, 2011	81.39	81.58	81.38	81.39	1,433,478	-0.08(-0.09%)
Jun 23, 2011	81.33	81.52	81.32	81.47	3,616,968	+0.26(+0.33%)
Jun 22, 2011	81.29	81.34	81.10	81.20	1,187,107	-0.05(-0.07%)
Jun 21, 2011	81.10	81.27	81.09	81.26	1,062,588	+0.08(+0.09%)
Jun 20, 2011	81.20	81.23	81.15	81.18	967,813	-0.11(-0.13%)
Jun 17, 2011	81.25	81.30	81.17	81.29	1,152,094	+0.08(+0.09%)
Jun 16, 2011	81.22	81.35	81.20	81.21	1,602,541	+0.05(+0.07%)
Jun 15, 2011	80.98	81.27	80.96	81.16	1,845,344	+0.20(+0.25%)
Jun 14, 2011	81.03	81.05	80.93	80.95	1,585,448	-0.22(-0.27%)
Jun 13, 2011	81.19	81.38	81.15	81.17	1,264,106	-0.11(-0.13%)
Jun 10, 2011	81.32	81.41	81.21	81.28	1,534,554	-0.01(-0.01%)
Jun 09, 2011	81.37	81.41	81.21	81.29	854,870	-0.12(-0.15%)
Jun 08, 2011	81.32	81.52	81.32	81.41	1,434,996	+0.07(+0.08%)
Jun 07, 2011	81.12	81.34	81.05	81.34	2,297,851	+0.17(+0.20%)
Jun 06, 2011	81.09	81.24	81.05	81.17	1,953,574	+0.02(+0.02%)

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