Date	Open	High	Low	Close	Volume	Change (%)
Aug 31, 2012	83.81	84.12	83.85	84.07	1,608,302	+0.26(+0.31%)
Aug 30, 2012	83.81	83.90	83.81	83.81	582,983	+0.05(+0.06%)
Aug 29, 2012	83.80	83.83	83.72	83.76	958,357	-0.01(-0.02%)
Aug 27, 2012	83.72	83.80	83.71	83.77	659,006	+0.11(+0.13%)
Aug 24, 2012	83.78	83.78	83.64	83.66	868,125	-0.06(-0.07%)
Aug 23, 2012	83.68	83.75	83.67	83.72	563,286	+0.06(+0.07%)
Aug 22, 2012	83.50	83.66	83.43	83.66	541,953	+0.36(+0.43%)
Aug 21, 2012	83.18	83.31	83.08	83.30	987,120	+0.11(+0.13%)
Aug 20, 2012	83.16	83.25	83.15	83.19	559,900	-0.03(-0.04%)
Aug 17, 2012	83.19	83.27	83.16	83.22	675,811	+0.10(+0.12%)
Aug 16, 2012	83.27	83.29	83.03	83.12	893,164	-0.10(-0.13%)
Aug 15, 2012	83.39	83.39	83.19	83.23	734,995	-0.27(-0.32%)
Aug 14, 2012	83.49	83.56	83.45	83.50	757,902	-0.19(-0.23%)
Aug 13, 2012	83.74	83.79	83.69	83.69	762,480	-0.01(-0.01%)
Aug 10, 2012	83.78	83.78	83.64	83.70	838,544	+0.13(+0.16%)
Aug 09, 2012	83.52	83.63	83.46	83.57	1,117,196	-0.02(-0.03%)
Aug 08, 2012	83.75	83.75	83.57	83.59	735,638	-0.10(-0.13%)
Aug 07, 2012	83.68	83.73	83.65	83.69	2,316,302	-0.22(-0.27%)
Aug 06, 2012	83.89	83.97	83.83	83.92	2,449,200	+0.13(+0.15%)
Aug 03, 2012	83.87	83.92	83.77	83.79	2,449,047	-0.20(-0.24%)
Aug 02, 2012	84.04	84.17	83.99	83.99	1,131,087	+0.02(+0.02%)
Aug 01, 2012	83.98	84.09	83.79	83.98	3,315,418	-0.10(-0.12%)
Jul 31, 2012	84.07	84.12	83.95	84.07	1,317,165	+0.08(+0.10%)
Jul 30, 2012	83.86	84.02	83.83	83.99	828,131	+0.14(+0.17%)
Jul 27, 2012	83.97	83.98	83.75	83.85	1,352,710	-0.25(-0.30%)
Jul 26, 2012	84.13	84.15	84.10	84.10	1,148,860	-0.05(-0.06%)
Jul 25, 2012	84.10	84.16	84.09	84.16	1,171,333	+0.03(+0.04%)
Jul 24, 2012	83.98	84.14	83.95	84.13	697,872	+0.10(+0.12%)
Jul 23, 2012	84.10	84.10	84.00	84.02	667,090	+0.07(+0.09%)
Jul 20, 2012	83.92	84.04	83.92	83.95	806,354	+0.12(+0.14%)
Jul 19, 2012	83.86	83.95	83.81	83.83	1,207,330	-0.07(-0.08%)
Jul 18, 2012	83.81	83.90	83.81	83.89	629,817	+0.16(+0.20%)
Jul 17, 2012	83.79	83.81	83.72	83.73	803,722	-0.03(-0.04%)
Jul 16, 2012	83.69	83.87	83.75	83.76	643,878	+0.07(+0.08%)
Jul 13, 2012	83.69	83.70	83.59	83.69	582,835	+0.03(+0.04%)
Jul 12, 2012	83.63	83.66	83.58	83.66	512,409	+0.15(+0.18%)
Jul 11, 2012	83.53	83.63	83.49	83.51	758,451	-0.01(-0.01%)
Jul 10, 2012	83.45	83.57	83.43	83.52	698,515	+0.04(+0.04%)
Jul 09, 2012	83.39	83.50	83.37	83.48	632,801	+0.16(+0.20%)
Jul 06, 2012	83.27	83.39	83.26	83.32	2,035,764	+0.06(+0.07%)
Jul 05, 2012	83.07	83.26	83.07	83.26	991,916	+0.22(+0.26%)
Jul 03, 2012	83.04	83.10	83.02	83.04	1,342,977	-0.06(-0.07%)
Jul 02, 2012	83.01	83.13	82.95	83.10	2,670,983	+0.16(+0.19%)
Jun 29, 2012	82.91	82.97	82.87	82.94	2,754,587	-0.11(-0.13%)
Jun 28, 2012	83.12	83.14	83.03	83.06	1,583,847	+0.10(+0.12%)
Jun 27, 2012	82.98	83.01	82.90	82.96	2,083,323	+0.04(+0.04%)
Jun 26, 2012	82.92	83.00	82.90	82.92	1,058,789	-0.09(-0.11%)
Jun 25, 2012	82.91	83.02	82.88	83.01	3,115,581	+0.26(+0.32%)
Jun 22, 2012	82.85	82.87	82.75	82.75	805,350	-0.12(-0.14%)
Jun 21, 2012	82.85	82.96	82.77	82.87	1,261,123	+0.11(+0.14%)
Jun 20, 2012	82.77	82.88	82.63	82.76	1,685,423	-0.13(-0.15%)
Jun 19, 2012	82.94	82.94	82.80	82.88	812,478	-0.10(-0.12%)
Jun 18, 2012	82.97	83.04	82.89	82.98	933,919	-0.02(-0.03%)
Jun 15, 2012	82.98	83.01	82.89	83.00	1,383,148	+0.19(+0.23%)
Jun 14, 2012	82.79	82.85	82.75	82.81	750,248	-0.06(-0.07%)
Jun 13, 2012	82.71	82.88	82.61	82.87	3,557,114	+0.22(+0.26%)
Jun 12, 2012	82.71	82.75	82.59	82.65	646,753	-0.07(-0.08%)
Jun 11, 2012	82.62	82.79	82.58	82.72	692,460	+0.07(+0.09%)
Jun 08, 2012	82.85	82.85	82.60	82.65	952,939	-0.04(-0.05%)
Jun 07, 2012	82.59	82.68	82.56	82.68	1,008,705	+0.13(+0.15%)
Jun 06, 2012	82.89	82.89	82.56	82.56	2,501,772	-0.25(-0.30%)
Jun 05, 2012	82.85	82.97	82.79	82.80	1,276,189	-0.17(-0.21%)
Jun 04, 2012	82.96	83.37	82.96	82.97	1,403,719	-0.19(-0.23%)
Jun 01, 2012	83.09	83.22	83.03	83.17	2,484,607	+0.21(+0.25%)
May 31, 2012	82.88	83.00	82.80	82.96	4,012,770	+0.25(+0.30%)
May 30, 2012	82.69	82.77	82.63	82.71	735,634	+0.28(+0.33%)
May 29, 2012	82.51	82.54	82.42	82.44	1,603,044	-0.04(-0.05%)
May 25, 2012	82.42	82.51	82.40	82.48	610,883	+0.13(+0.15%)
May 24, 2012	82.45	82.45	82.33	82.36	1,262,565	-0.07(-0.08%)
May 23, 2012	82.51	82.55	82.41	82.42	936,517	+0.10(+0.12%)
May 22, 2012	82.41	82.48	82.33	82.33	1,354,371	-0.20(-0.24%)
May 21, 2012	82.56	82.58	82.52	82.53	1,624,327	-0.01(-0.02%)
May 18, 2012	82.54	82.60	82.47	82.54	1,593,023	-0.02(-0.03%)
May 17, 2012	82.45	82.64	82.42	82.57	1,910,401	+0.05(+0.06%)
May 16, 2012	82.45	82.61	82.42	82.51	1,326,412	-0.01(-0.02%)
May 15, 2012	82.62	82.62	82.45	82.53	1,596,374	-0.04(-0.05%)
May 14, 2012	82.54	82.59	82.49	82.57	1,026,325	+0.19(+0.23%)
May 11, 2012	82.48	82.49	82.36	82.39	600,092	+0.06(+0.07%)
May 10, 2012	82.34	82.37	82.26	82.33	708,016	-0.08(-0.10%)
May 09, 2012	82.48	82.48	82.34	82.41	1,250,495	+0.02(+0.03%)
May 08, 2012	82.42	82.51	82.38	82.39	780,137	+0.06(+0.07%)
May 07, 2012	82.35	82.37	82.30	82.33	868,756	+0.03(+0.04%)
May 04, 2012	82.29	82.32	82.22	82.30	822,305	+0.08(+0.10%)
May 03, 2012	82.12	82.22	82.10	82.22	773,635	+0.09(+0.11%)
May 02, 2012	82.14	82.18	82.07	82.13	1,746,060	+0.08(+0.10%)
May 01, 2012	82.14	82.17	81.99	82.05	1,039,098	-0.03(-0.04%)
Apr 30, 2012	82.17	82.17	82.07	82.07	1,188,396	-0.03(-0.04%)
Apr 27, 2012	82.08	82.13	82.04	82.10	833,755	-0.01(-0.01%)
Apr 26, 2012	82.10	82.14	82.03	82.11	1,376,705	+0.13(+0.15%)
Apr 25, 2012	81.93	82.00	81.81	81.99	1,323,694	+0.04(+0.05%)
Apr 24, 2012	82.02	82.06	81.93	81.95	845,554	-0.12(-0.14%)
Apr 23, 2012	82.18	82.18	82.02	82.07	1,060,588	+0.08(+0.10%)
Apr 20, 2012	81.99	82.02	81.90	81.99	2,062,020	+0.01(+0.02%)
Apr 19, 2012	82.00	82.06	81.97	81.97	833,700	-0.06(-0.07%)
Apr 18, 2012	81.96	82.03	81.89	82.03	1,191,564	+0.10(+0.13%)
Apr 17, 2012	81.85	81.93	81.82	81.93	993,867	+0.01(+0.02%)
Apr 16, 2012	81.81	81.99	81.81	81.91	1,510,847	+0.01(+0.02%)
Apr 13, 2012	81.85	81.91	81.79	81.90	1,488,485	+0.25(+0.31%)
Apr 12, 2012	81.70	81.73	81.63	81.64	681,695	-0.08(-0.10%)
Apr 11, 2012	81.67	81.73	81.55	81.73	1,621,201	+0.01(+0.01%)
Apr 10, 2012	81.77	81.88	81.68	81.72	2,552,007	+0.01(+0.01%)
Apr 09, 2012	81.76	81.77	81.66	81.71	775,616	+0.36(+0.44%)
Apr 05, 2012	81.33	81.36	81.19	81.36	1,009,325	+0.19(+0.23%)
Apr 04, 2012	81.15	81.19	81.04	81.17	1,532,345	+0.17(+0.21%)
Apr 03, 2012	81.41	81.47	80.94	81.00	1,033,581	-0.35(-0.43%)
Apr 02, 2012	81.54	81.54	81.23	81.35	3,231,903	+0.01(+0.01%)
Mar 30, 2012	81.53	81.53	81.22	81.34	1,514,258	-0.13(-0.15%)
Mar 29, 2012	81.41	81.49	81.33	81.46	1,631,467	+0.22(+0.27%)
Mar 28, 2012	81.25	81.36	81.21	81.24	1,097,531	-0.01(-0.02%)
Mar 27, 2012	81.22	81.30	81.16	81.26	3,442,727	+0.09(+0.11%)
Mar 26, 2012	81.19	81.21	81.03	81.17	1,171,967	-0.06(-0.07%)
Mar 23, 2012	81.06	81.23	81.03	81.23	1,024,196	+0.19(+0.23%)
Mar 22, 2012	80.97	81.06	80.97	81.04	900,485	+0.07(+0.09%)
Mar 21, 2012	80.88	81.00	80.80	80.97	797,752	+0.19(+0.24%)
Mar 20, 2012	80.65	80.77	80.59	80.77	1,296,949	+0.12(+0.15%)
Mar 19, 2012	80.93	80.93	80.63	80.66	1,548,759	-0.26(-0.32%)
Mar 16, 2012	80.82	80.95	80.75	80.92	1,261,236	+0.01(+0.01%)
Mar 15, 2012	80.90	81.05	80.90	80.91	1,081,009	-0.04(-0.05%)
Mar 14, 2012	81.27	81.33	80.89	80.95	1,512,230	-0.44(-0.55%)
Mar 13, 2012	81.61	81.62	81.37	81.39	1,951,077	-0.27(-0.34%)
Mar 12, 2012	81.74	81.78	81.64	81.66	1,480,992	+0.07(+0.09%)
Mar 09, 2012	81.62	81.62	81.55	81.59	960,080	-0.01(-0.02%)
Mar 08, 2012	81.78	81.80	81.58	81.60	1,311,741	-0.19(-0.23%)
Mar 07, 2012	81.86	81.86	81.76	81.79	1,129,073	-0.07(-0.09%)
Mar 06, 2012	81.86	81.91	81.78	81.86	1,426,742	+0.16(+0.20%)
Mar 05, 2012	81.80	81.83	81.69	81.70	1,483,029	-0.12(-0.14%)
Mar 02, 2012	81.69	81.82	81.67	81.82	1,166,614	+0.18(+0.22%)
Mar 01, 2012	81.62	81.68	81.51	81.64	1,678,285	-0.17(-0.20%)
Feb 29, 2012	81.94	81.94	81.69	81.81	2,699,130	-0.08(-0.10%)
Feb 28, 2012	82.00	82.02	81.84	81.89	1,076,678	-0.06(-0.07%)
Feb 27, 2012	81.86	81.95	81.81	81.95	963,950	+0.26(+0.32%)
Feb 24, 2012	81.72	81.83	81.67	81.69	1,847,034	+0.02(+0.03%)
Feb 23, 2012	81.56	81.69	81.52	81.67	1,067,332	+0.07(+0.08%)
Feb 22, 2012	81.50	81.60	81.45	81.60	1,320,227	+0.23(+0.28%)
Feb 21, 2012	81.44	81.48	81.36	81.37	1,413,224	-0.13(-0.15%)
Feb 17, 2012	81.48	81.52	81.39	81.50	1,155,807	-0.10(-0.13%)
Feb 16, 2012	81.61	81.67	81.53	81.60	1,243,853	-0.01(-0.02%)
Feb 15, 2012	81.73	81.75	81.61	81.61	1,185,347	-0.03(-0.04%)
Feb 14, 2012	81.66	81.78	81.63	81.64	1,186,290	+0.07(+0.08%)
Feb 13, 2012	81.60	81.65	81.53	81.58	1,238,560	+0.03(+0.04%)
Feb 10, 2012	81.50	81.64	81.50	81.55	967,917	+0.11(+0.14%)
Feb 09, 2012	81.52	81.56	81.38	81.44	1,446,475	-0.13(-0.16%)
Feb 08, 2012	81.59	81.65	81.49	81.57	2,003,265	-0.07(-0.08%)
Feb 07, 2012	81.59	81.67	81.50	81.64	1,308,603	-0.08(-0.10%)
Feb 06, 2012	81.63	81.72	81.54	81.72	2,510,633	+0.06(+0.07%)
Feb 03, 2012	81.47	81.69	81.41	81.66	1,546,712	-0.04(-0.05%)
Feb 02, 2012	81.65	81.75	81.59	81.70	1,600,509	+0.02(+0.03%)
Feb 01, 2012	81.70	81.78	81.58	81.67	2,660,366	-0.14(-0.18%)
Jan 31, 2012	81.66	81.83	81.57	81.82	4,419,150	+0.14(+0.17%)
Jan 30, 2012	81.60	81.74	81.55	81.68	2,022,705	+0.24(+0.29%)
Jan 27, 2012	81.43	81.50	81.32	81.44	1,055,978	+0.13(+0.16%)
Jan 26, 2012	81.33	81.41	81.29	81.31	1,671,638	+0.16(+0.20%)
Jan 25, 2012	81.03	81.40	80.93	81.15	2,116,744	+0.12(+0.15%)
Jan 24, 2012	81.02	81.04	80.93	81.03	1,074,414	+0.07(+0.08%)
Jan 23, 2012	80.87	81.04	80.87	80.96	1,112,427	-0.07(-0.08%)
Jan 20, 2012	81.28	81.28	80.97	81.03	1,401,404	-0.21(-0.25%)
Jan 19, 2012	81.36	81.39	81.17	81.24	1,401,033	-0.13(-0.16%)
Jan 18, 2012	81.46	81.55	81.34	81.37	1,651,596	-0.10(-0.13%)
Jan 17, 2012	81.55	81.60	81.43	81.47	1,727,604	+0.02(+0.03%)
Jan 13, 2012	81.35	81.52	81.35	81.45	1,038,304	+0.18(+0.23%)
Jan 12, 2012	81.29	81.32	81.17	81.27	1,145,721	-0.07(-0.08%)
Jan 11, 2012	81.14	81.33	81.09	81.33	1,071,989	+0.29(+0.35%)
Jan 10, 2012	81.07	81.17	81.00	81.04	1,360,114	-0.02(-0.03%)
Jan 09, 2012	81.14	81.28	81.04	81.07	1,324,865	-0.07(-0.08%)
Jan 06, 2012	81.07	81.23	81.06	81.13	1,218,606	+0.07(+0.08%)
Jan 05, 2012	80.98	81.08	80.93	81.07	1,162,397	+0.11(+0.14%)
Jan 04, 2012	81.10	81.10	80.87	80.96	1,763,256	-0.27(-0.34%)
Dec 30, 2011	81.33	81.44	81.22	81.23	1,490,660	-0.10(-0.13%)
Dec 29, 2011	81.22	81.37	81.10	81.33	1,337,431	+0.19(+0.24%)
Dec 28, 2011	81.04	81.21	80.98	81.14	1,185,891	+0.14(+0.17%)
Dec 27, 2011	80.82	81.00	80.80	81.00	1,480,126	+0.15(+0.18%)
Dec 23, 2011	80.81	80.90	80.63	80.85	922,719	+0.03(+0.04%)
Dec 21, 2011	81.02	81.05	80.80	80.82	1,262,548	-0.21(-0.25%)
Dec 20, 2011	81.07	81.17	81.00	81.03	3,773,477	-0.11(-0.14%)
Dec 19, 2011	81.06	81.19	80.99	81.14	1,525,470	+0.08(+0.10%)
Dec 16, 2011	80.94	81.11	80.91	81.06	1,604,601	+0.27(+0.34%)
Dec 15, 2011	80.92	81.00	80.72	80.79	5,117,187	-0.17(-0.21%)
Dec 14, 2011	80.76	81.05	80.82	80.96	1,260,493	+0.20(+0.25%)
Dec 13, 2011	80.60	80.86	80.57	80.76	1,992,983	+0.16(+0.20%)
Dec 12, 2011	80.63	80.75	80.59	80.60	1,657,487	+0.02(+0.03%)
Dec 09, 2011	80.60	80.71	80.48	80.57	1,269,196	-0.04(-0.05%)
Dec 08, 2011	80.51	80.71	80.48	80.62	1,668,263	+0.08(+0.10%)
Dec 07, 2011	80.45	80.60	80.33	80.54	938,067	+0.15(+0.18%)
Dec 06, 2011	80.37	80.44	80.18	80.39	1,500,532	-0.07(-0.09%)
Dec 05, 2011	80.28	80.46	80.21	80.46	1,444,109	+0.09(+0.11%)
Dec 02, 2011	80.15	80.44	80.11	80.38	1,245,551	+0.21(+0.26%)
Dec 01, 2011	80.14	80.27	79.99	80.17	2,485,709	+0.03(+0.04%)
Nov 30, 2011	80.30	80.31	80.06	80.14	1,747,312	-0.21(-0.26%)
Nov 29, 2011	80.22	80.38	80.06	80.35	2,345,402	+0.03(+0.04%)
Nov 28, 2011	80.13	80.35	80.04	80.32	2,355,812	-0.01(-0.01%)
Nov 25, 2011	80.44	80.49	80.29	80.32	1,043,787	-0.11(-0.14%)
Nov 23, 2011	80.30	80.55	80.26	80.43	1,181,138	+0.07(+0.09%)
Nov 22, 2011	80.27	80.41	80.18	80.36	1,434,330	+0.06(+0.07%)
Nov 21, 2011	80.42	80.43	80.28	80.30	1,144,801	-0.01(-0.02%)
Nov 18, 2011	80.40	80.40	80.19	80.32	1,099,608	-0.01(-0.02%)
Nov 17, 2011	80.35	80.49	80.23	80.33	2,279,218	-0.04(-0.05%)
Nov 16, 2011	80.58	80.59	80.30	80.38	1,655,636	-0.03(-0.04%)
Nov 15, 2011	80.49	80.54	80.30	80.41	1,075,172	-0.10(-0.13%)
Nov 14, 2011	80.57	80.60	80.41	80.51	1,623,513	+0.07(+0.08%)
Nov 11, 2011	80.45	80.50	80.37	80.44	2,461,255	-0.10(-0.12%)
Nov 10, 2011	80.52	80.71	80.36	80.54	1,784,865	-0.15(-0.19%)
Nov 09, 2011	80.72	80.84	80.61	80.69	1,064,563	+0.14(+0.17%)
Nov 08, 2011	80.56	80.73	80.49	80.55	1,295,547	-0.11(-0.14%)
Nov 07, 2011	80.59	80.84	80.57	80.66	1,017,102	+0.07(+0.08%)
Nov 04, 2011	80.62	80.74	80.57	80.60	2,784,380	-0.02(-0.03%)
Nov 03, 2011	80.57	80.73	80.51	80.62	1,523,079	-0.18(-0.22%)
Nov 02, 2011	80.57	80.84	80.54	80.79	999,507	+0.00(+0.00%)
Nov 01, 2011	80.52	80.81	80.49	80.79	1,970,338	+0.39(+0.48%)
Oct 31, 2011	80.26	80.41	80.19	80.41	2,390,534	+0.38(+0.47%)
Oct 28, 2011	79.78	80.05	79.76	80.03	1,339,787	+0.31(+0.39%)
Oct 27, 2011	79.94	79.96	79.59	79.71	1,313,998	-0.31(-0.38%)
Oct 26, 2011	80.09	80.22	79.94	80.02	908,837	-0.22(-0.27%)
Oct 25, 2011	79.90	80.25	79.84	80.24	2,022,698	+0.41(+0.51%)
Oct 24, 2011	79.99	79.99	79.77	79.83	1,187,192	-0.12(-0.16%)
Oct 21, 2011	79.99	80.04	79.83	79.95	759,872	+0.04(+0.05%)
Oct 20, 2011	79.93	80.12	79.81	79.91	1,177,880	-0.04(-0.05%)
Oct 19, 2011	79.85	80.07	79.77	79.95	1,067,530	+0.12(+0.15%)
Oct 18, 2011	79.89	80.05	79.74	79.84	1,311,965	-0.09(-0.11%)
Oct 17, 2011	79.66	79.93	79.65	79.93	1,131,216	+0.31(+0.39%)
Oct 14, 2011	79.49	79.73	79.49	79.61	803,908	-0.13(-0.17%)
Oct 13, 2011	79.78	79.89	79.60	79.74	1,248,493	+0.04(+0.06%)
Oct 12, 2011	79.57	79.77	79.52	79.70	1,533,710	-0.15(-0.19%)
Oct 11, 2011	79.71	79.87	79.63	79.85	2,948,854	+0.19(+0.24%)
Oct 10, 2011	79.82	79.82	79.44	79.66	973,568	-0.16(-0.20%)
Oct 07, 2011	79.82	79.93	79.68	79.82	2,071,437	-0.16(-0.20%)
Oct 06, 2011	80.04	80.05	79.94	79.98	1,399,119	-0.13(-0.16%)
Oct 05, 2011	80.31	80.33	80.09	80.12	2,051,293	-0.27(-0.34%)
Oct 04, 2011	80.70	80.77	80.38	80.39	1,849,137	-0.25(-0.31%)
Oct 03, 2011	80.47	80.67	80.34	80.63	3,246,413	+0.33(+0.41%)
Sep 30, 2011	80.23	80.39	80.12	80.31	1,399,392	+0.30(+0.37%)
Sep 29, 2011	79.96	80.13	79.90	80.01	1,131,103	-0.03(-0.04%)
Sep 28, 2011	80.07	80.08	79.88	80.04	1,165,982	-0.07(-0.08%)
Sep 27, 2011	80.02	80.12	79.94	80.10	1,765,173	-0.11(-0.14%)
Sep 26, 2011	80.33	80.43	80.16	80.21	1,588,805	-0.18(-0.23%)
Sep 23, 2011	80.90	80.90	80.38	80.39	1,526,541	-0.42(-0.51%)
Sep 22, 2011	80.80	80.98	80.69	80.81	1,199,642	+0.23(+0.29%)
Sep 21, 2011	80.42	80.61	80.28	80.58	1,704,159	+0.13(+0.16%)
Sep 20, 2011	80.41	80.44	80.28	80.44	961,967	+0.16(+0.20%)
Sep 19, 2011	80.36	80.41	80.26	80.28	1,078,284	+0.17(+0.22%)
Sep 16, 2011	79.98	80.11	79.89	80.11	1,214,398	+0.12(+0.15%)
Sep 15, 2011	80.11	80.17	79.99	79.99	1,435,144	-0.23(-0.29%)
Sep 14, 2011	80.15	80.31	80.12	80.23	1,460,547	+0.01(+0.02%)
Sep 13, 2011	80.25	80.27	80.12	80.21	961,581	+0.03(+0.04%)
Sep 12, 2011	80.36	80.36	80.11	80.18	1,423,151	-0.16(-0.20%)
Sep 09, 2011	80.27	80.42	80.21	80.34	1,110,200	+0.11(+0.14%)
Sep 08, 2011	80.34	80.35	80.12	80.23	1,603,354	+0.02(+0.03%)
Sep 07, 2011	80.27	80.31	80.12	80.21	1,260,742	-0.19(-0.24%)
Sep 06, 2011	80.52	80.52	80.36	80.40	1,513,776	+0.21(+0.26%)
Sep 02, 2011	80.20	80.34	80.08	80.19	1,266,668	+0.24(+0.30%)

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