Date	Open	High	Low	Close	Volume	Change (%)
Aug 31, 2012	83.29	83.59	83.33	83.55	1,618,379	+0.26(+0.31%)
Aug 30, 2012	83.29	83.38	83.29	83.29	586,635	+0.05(+0.06%)
Aug 29, 2012	83.28	83.31	83.20	83.24	964,362	-0.01(-0.02%)
Aug 27, 2012	83.20	83.28	83.19	83.25	663,135	+0.11(+0.13%)
Aug 24, 2012	83.26	83.26	83.12	83.14	873,564	-0.06(-0.07%)
Aug 23, 2012	83.16	83.23	83.15	83.20	566,815	+0.06(+0.07%)
Aug 22, 2012	82.98	83.14	82.91	83.14	545,349	+0.36(+0.43%)
Aug 21, 2012	82.67	82.79	82.56	82.78	993,305	+0.11(+0.13%)
Aug 20, 2012	82.64	82.73	82.64	82.67	563,408	-0.03(-0.04%)
Aug 17, 2012	82.67	82.75	82.64	82.70	680,045	+0.10(+0.12%)
Aug 16, 2012	82.75	82.77	82.51	82.61	898,760	-0.10(-0.13%)
Aug 15, 2012	82.87	82.87	82.67	82.71	739,600	-0.27(-0.32%)
Aug 14, 2012	82.97	83.03	82.93	82.98	762,651	-0.19(-0.23%)
Aug 13, 2012	83.22	83.27	83.17	83.17	767,258	-0.01(-0.01%)
Aug 10, 2012	83.26	83.26	83.12	83.18	843,798	+0.13(+0.16%)
Aug 09, 2012	83.00	83.11	82.94	83.04	1,124,196	-0.02(-0.03%)
Aug 08, 2012	83.23	83.23	83.05	83.07	740,247	-0.10(-0.13%)
Aug 07, 2012	83.16	83.21	83.13	83.17	2,330,815	-0.22(-0.27%)
Aug 06, 2012	83.36	83.45	83.31	83.39	2,464,546	+0.13(+0.15%)
Aug 03, 2012	83.35	83.39	83.25	83.27	2,464,392	-0.20(-0.24%)
Aug 02, 2012	83.52	83.65	83.47	83.47	1,138,174	+0.01(+0.02%)
Aug 01, 2012	83.46	83.57	83.27	83.45	3,336,192	-0.10(-0.12%)
Jul 31, 2012	83.54	83.59	83.43	83.55	1,325,418	+0.08(+0.10%)
Jul 30, 2012	83.34	83.50	83.31	83.47	833,320	+0.14(+0.17%)
Jul 27, 2012	83.45	83.45	83.22	83.33	1,361,185	-0.25(-0.30%)
Jul 26, 2012	83.60	83.62	83.57	83.58	1,156,058	-0.05(-0.06%)
Jul 25, 2012	83.58	83.64	83.57	83.63	1,178,672	+0.03(+0.04%)
Jul 24, 2012	83.46	83.62	83.43	83.60	702,245	+0.10(+0.12%)
Jul 23, 2012	83.57	83.57	83.48	83.50	671,269	+0.07(+0.09%)
Jul 20, 2012	83.40	83.52	83.40	83.42	811,406	+0.12(+0.14%)
Jul 19, 2012	83.34	83.43	83.28	83.31	1,214,894	-0.07(-0.08%)
Jul 18, 2012	83.29	83.38	83.29	83.37	633,764	+0.16(+0.20%)
Jul 17, 2012	83.27	83.29	83.20	83.21	808,758	-0.03(-0.04%)
Jul 16, 2012	83.17	83.35	83.23	83.24	647,912	+0.07(+0.08%)
Jul 13, 2012	83.16	83.18	83.07	83.17	586,487	+0.03(+0.04%)
Jul 12, 2012	83.11	83.14	83.06	83.14	515,619	+0.15(+0.18%)
Jul 11, 2012	83.01	83.11	82.97	82.99	763,203	-0.01(-0.01%)
Jul 10, 2012	82.93	83.05	82.91	83.00	702,891	+0.04(+0.04%)
Jul 09, 2012	82.87	82.98	82.85	82.96	636,766	+0.16(+0.20%)
Jul 06, 2012	82.75	82.88	82.74	82.80	2,048,520	+0.06(+0.07%)
Jul 05, 2012	82.55	82.74	82.55	82.74	998,131	+0.22(+0.26%)
Jul 03, 2012	82.53	82.59	82.50	82.53	1,351,391	-0.06(-0.07%)
Jul 02, 2012	82.50	82.61	82.43	82.59	2,687,719	+0.16(+0.19%)
Jun 29, 2012	82.39	82.45	82.35	82.43	2,771,846	-0.11(-0.13%)
Jun 28, 2012	82.60	82.62	82.52	82.54	1,593,771	+0.10(+0.12%)
Jun 27, 2012	82.46	82.49	82.38	82.44	2,096,376	+0.04(+0.04%)
Jun 26, 2012	82.41	82.48	82.38	82.41	1,065,423	-0.09(-0.11%)
Jun 25, 2012	82.39	82.50	82.37	82.49	3,135,102	+0.26(+0.32%)
Jun 22, 2012	82.33	82.35	82.23	82.23	810,396	-0.12(-0.14%)
Jun 21, 2012	82.34	82.44	82.25	82.35	1,269,025	+0.11(+0.14%)
Jun 20, 2012	82.26	82.36	82.12	82.24	1,695,983	-0.13(-0.15%)
Jun 19, 2012	82.43	82.43	82.29	82.37	817,569	-0.10(-0.12%)
Jun 18, 2012	82.45	82.52	82.38	82.46	939,771	-0.02(-0.03%)
Jun 15, 2012	82.46	82.49	82.38	82.49	1,391,814	+0.19(+0.23%)
Jun 14, 2012	82.28	82.34	82.23	82.29	754,948	-0.06(-0.07%)
Jun 13, 2012	82.20	82.37	82.09	82.35	3,579,402	+0.21(+0.26%)
Jun 12, 2012	82.19	82.23	82.08	82.14	650,805	-0.07(-0.08%)
Jun 11, 2012	82.11	82.27	82.06	82.21	696,799	+0.07(+0.09%)
Jun 08, 2012	82.33	82.34	82.09	82.13	958,909	-0.04(-0.05%)
Jun 07, 2012	82.07	82.17	82.04	82.17	1,015,026	+0.13(+0.15%)
Jun 06, 2012	82.38	82.38	82.04	82.04	2,517,447	-0.24(-0.30%)
Jun 05, 2012	82.33	82.45	82.28	82.29	1,284,185	-0.17(-0.21%)
Jun 04, 2012	82.44	82.85	82.44	82.46	1,412,514	-0.19(-0.23%)
Jun 01, 2012	82.58	82.70	82.51	82.65	2,500,174	+0.21(+0.25%)
May 31, 2012	82.36	82.49	82.29	82.44	4,037,912	+0.24(+0.30%)
May 30, 2012	82.18	82.25	82.11	82.20	740,243	+0.27(+0.33%)
May 29, 2012	81.99	82.02	81.90	81.93	1,613,088	-0.04(-0.05%)
May 25, 2012	81.91	81.99	81.89	81.97	614,711	+0.13(+0.15%)
May 24, 2012	81.94	81.94	81.82	81.84	1,270,476	-0.07(-0.08%)
May 23, 2012	81.99	82.04	81.90	81.91	942,385	+0.10(+0.12%)
May 22, 2012	81.90	81.97	81.82	81.82	1,362,857	-0.20(-0.24%)
May 21, 2012	82.04	82.07	82.01	82.01	1,634,505	-0.01(-0.02%)
May 18, 2012	82.02	82.09	81.96	82.03	1,603,004	-0.02(-0.03%)
May 17, 2012	81.94	82.13	81.90	82.05	1,922,371	+0.05(+0.06%)
May 16, 2012	81.93	82.10	81.90	82.00	1,334,723	-0.01(-0.02%)
May 15, 2012	82.10	82.10	81.94	82.01	1,606,376	-0.04(-0.05%)
May 14, 2012	82.03	82.07	81.97	82.06	1,032,755	+0.18(+0.23%)
May 11, 2012	81.97	81.98	81.84	81.87	603,852	+0.06(+0.07%)
May 10, 2012	81.82	81.85	81.75	81.82	712,452	-0.08(-0.10%)
May 09, 2012	81.97	81.97	81.82	81.90	1,258,330	+0.02(+0.03%)
May 08, 2012	81.91	81.99	81.87	81.87	785,025	+0.06(+0.07%)
May 07, 2012	81.84	81.86	81.79	81.82	874,199	+0.03(+0.04%)
May 04, 2012	81.78	81.81	81.71	81.79	827,458	+0.08(+0.10%)
May 03, 2012	81.61	81.70	81.59	81.70	778,482	+0.09(+0.11%)
May 02, 2012	81.63	81.67	81.56	81.62	1,757,000	+0.08(+0.10%)
May 01, 2012	81.63	81.66	81.48	81.53	1,045,609	-0.03(-0.04%)
Apr 30, 2012	81.66	81.66	81.56	81.56	1,195,842	-0.03(-0.04%)
Apr 27, 2012	81.57	81.62	81.53	81.59	838,979	-0.01(-0.01%)
Apr 26, 2012	81.59	81.63	81.52	81.60	1,385,331	+0.13(+0.15%)
Apr 25, 2012	81.42	81.49	81.30	81.48	1,331,988	+0.04(+0.05%)
Apr 24, 2012	81.51	81.55	81.42	81.44	850,852	-0.12(-0.14%)
Apr 23, 2012	81.67	81.67	81.51	81.56	1,067,234	+0.08(+0.10%)
Apr 20, 2012	81.48	81.50	81.39	81.48	2,074,940	+0.01(+0.02%)
Apr 19, 2012	81.49	81.55	81.46	81.46	838,924	-0.06(-0.07%)
Apr 18, 2012	81.45	81.52	81.38	81.52	1,199,030	+0.10(+0.13%)
Apr 17, 2012	81.34	81.42	81.31	81.42	1,000,094	+0.01(+0.02%)
Apr 16, 2012	81.30	81.48	81.30	81.40	1,520,314	+0.01(+0.02%)
Apr 13, 2012	81.34	81.40	81.28	81.39	1,497,811	+0.25(+0.31%)
Apr 12, 2012	81.19	81.22	81.12	81.14	685,966	-0.08(-0.10%)
Apr 11, 2012	81.16	81.22	81.04	81.22	1,631,359	+0.01(+0.01%)
Apr 10, 2012	81.26	81.37	81.17	81.21	2,567,997	+0.01(+0.01%)
Apr 09, 2012	81.25	81.26	81.15	81.20	780,476	+0.35(+0.44%)
Apr 05, 2012	80.83	80.85	80.68	80.85	1,015,649	+0.18(+0.23%)
Apr 04, 2012	80.64	80.69	80.54	80.66	1,541,946	+0.17(+0.21%)
Apr 03, 2012	80.91	80.97	80.44	80.49	1,040,057	-0.35(-0.43%)
Apr 02, 2012	81.03	81.03	80.72	80.84	3,252,153	+0.01(+0.01%)
Mar 30, 2012	81.02	81.02	80.71	80.83	1,523,746	-0.13(-0.15%)
Mar 29, 2012	80.90	80.99	80.82	80.96	1,641,690	+0.22(+0.27%)
Mar 28, 2012	80.74	80.85	80.71	80.74	1,104,408	-0.01(-0.02%)
Mar 27, 2012	80.71	80.80	80.66	80.75	3,464,299	+0.09(+0.11%)
Mar 26, 2012	80.68	80.71	80.53	80.66	1,179,310	-0.06(-0.07%)
Mar 23, 2012	80.55	80.72	80.53	80.72	1,030,613	+0.18(+0.23%)
Mar 22, 2012	80.46	80.55	80.46	80.54	906,127	+0.07(+0.09%)
Mar 21, 2012	80.38	80.49	80.30	80.46	802,750	+0.19(+0.24%)
Mar 20, 2012	80.15	80.27	80.09	80.27	1,305,075	+0.12(+0.15%)
Mar 19, 2012	80.43	80.43	80.12	80.15	1,558,463	-0.26(-0.32%)
Mar 16, 2012	80.32	80.44	80.25	80.41	1,269,139	+0.01(+0.01%)
Mar 15, 2012	80.40	80.55	80.39	80.40	1,087,782	-0.04(-0.05%)
Mar 14, 2012	80.77	80.82	80.39	80.44	1,521,706	-0.44(-0.55%)
Mar 13, 2012	81.10	81.11	80.87	80.88	1,963,302	-0.27(-0.34%)
Mar 12, 2012	81.23	81.27	81.13	81.16	1,490,272	+0.07(+0.09%)
Mar 09, 2012	81.11	81.11	81.04	81.08	966,096	-0.01(-0.02%)
Mar 08, 2012	81.27	81.29	81.07	81.10	1,319,960	-0.18(-0.23%)
Mar 07, 2012	81.35	81.35	81.25	81.28	1,136,148	-0.07(-0.09%)
Mar 06, 2012	81.35	81.40	81.27	81.35	1,435,682	+0.16(+0.20%)
Mar 05, 2012	81.29	81.32	81.18	81.19	1,492,321	-0.12(-0.14%)
Mar 02, 2012	81.18	81.31	81.16	81.31	1,173,924	+0.18(+0.22%)
Mar 01, 2012	81.11	81.17	81.00	81.13	1,688,801	-0.16(-0.20%)
Feb 29, 2012	81.43	81.43	81.18	81.30	2,716,043	-0.08(-0.10%)
Feb 28, 2012	81.49	81.51	81.33	81.38	1,083,424	-0.06(-0.07%)
Feb 27, 2012	81.35	81.44	81.30	81.44	969,990	+0.26(+0.32%)
Feb 24, 2012	81.21	81.32	81.17	81.18	1,858,607	+0.02(+0.03%)
Feb 23, 2012	81.05	81.18	81.01	81.16	1,074,020	+0.07(+0.08%)
Feb 22, 2012	80.99	81.09	80.94	81.09	1,328,500	+0.23(+0.28%)
Feb 21, 2012	80.94	80.97	80.86	80.86	1,422,079	-0.12(-0.15%)
Feb 17, 2012	80.97	81.01	80.89	80.99	1,163,049	-0.10(-0.13%)
Feb 16, 2012	81.11	81.17	81.02	81.09	1,251,646	-0.01(-0.02%)
Feb 15, 2012	81.22	81.24	81.10	81.11	1,192,774	-0.03(-0.04%)
Feb 14, 2012	81.15	81.27	81.12	81.14	1,193,724	+0.07(+0.08%)
Feb 13, 2012	81.09	81.14	81.03	81.07	1,246,321	+0.03(+0.04%)
Feb 10, 2012	81.00	81.13	80.99	81.04	973,982	+0.11(+0.14%)
Feb 09, 2012	81.01	81.05	80.87	80.93	1,455,539	-0.13(-0.16%)
Feb 08, 2012	81.08	81.14	80.98	81.06	2,015,817	-0.07(-0.08%)
Feb 07, 2012	81.08	81.16	80.99	81.13	1,316,802	-0.08(-0.10%)
Feb 06, 2012	81.12	81.21	81.03	81.21	2,526,364	+0.06(+0.07%)
Feb 03, 2012	80.96	81.18	80.90	81.15	1,556,403	-0.04(-0.05%)
Feb 02, 2012	81.14	81.24	81.08	81.19	1,610,537	+0.02(+0.03%)
Feb 01, 2012	81.19	81.27	81.07	81.17	2,677,035	-0.14(-0.18%)
Jan 31, 2012	81.15	81.32	81.07	81.31	4,446,839	+0.14(+0.17%)
Jan 30, 2012	81.09	81.23	81.04	81.17	2,035,378	+0.23(+0.29%)
Jan 27, 2012	80.93	80.99	80.81	80.93	1,062,594	+0.13(+0.16%)
Jan 26, 2012	80.83	80.91	80.78	80.80	1,682,111	+0.16(+0.20%)
Jan 25, 2012	80.52	80.89	80.43	80.64	2,130,007	+0.12(+0.15%)
Jan 24, 2012	80.52	80.53	80.42	80.52	1,081,145	+0.07(+0.08%)
Jan 23, 2012	80.37	80.53	80.37	80.46	1,119,397	-0.07(-0.08%)
Jan 20, 2012	80.77	80.77	80.47	80.52	1,410,184	-0.20(-0.25%)
Jan 19, 2012	80.85	80.88	80.66	80.73	1,409,811	-0.13(-0.16%)
Jan 18, 2012	80.95	81.04	80.83	80.86	1,661,944	-0.10(-0.13%)
Jan 17, 2012	81.04	81.09	80.93	80.96	1,738,428	+0.02(+0.03%)
Jan 13, 2012	80.84	81.02	80.84	80.94	1,044,810	+0.18(+0.23%)
Jan 12, 2012	80.78	80.82	80.66	80.76	1,152,900	-0.07(-0.08%)
Jan 11, 2012	80.63	80.83	80.59	80.83	1,078,706	+0.29(+0.35%)
Jan 10, 2012	80.56	80.66	80.50	80.54	1,368,636	-0.02(-0.03%)
Jan 09, 2012	80.63	80.77	80.54	80.56	1,333,166	-0.07(-0.08%)
Jan 06, 2012	80.56	80.72	80.55	80.63	1,226,241	+0.07(+0.08%)
Jan 05, 2012	80.47	80.58	80.43	80.56	1,169,680	+0.11(+0.14%)
Jan 04, 2012	80.59	80.59	80.37	80.45	1,774,303	-0.27(-0.34%)
Dec 30, 2011	80.83	80.93	80.72	80.72	1,500,000	-0.10(-0.13%)
Dec 29, 2011	80.72	80.86	80.60	80.83	1,345,811	+0.19(+0.24%)
Dec 28, 2011	80.53	80.71	80.47	80.63	1,193,322	+0.14(+0.17%)
Dec 27, 2011	80.32	80.50	80.30	80.50	1,489,400	+0.14(+0.18%)
Dec 23, 2011	80.31	80.39	80.12	80.35	928,500	+0.03(+0.04%)
Dec 21, 2011	80.51	80.54	80.29	80.32	1,270,459	-0.20(-0.25%)
Dec 20, 2011	80.56	80.67	80.50	80.53	3,797,120	-0.11(-0.14%)
Dec 19, 2011	80.56	80.69	80.49	80.64	1,535,028	+0.08(+0.10%)
Dec 16, 2011	80.43	80.61	80.40	80.56	1,614,655	+0.27(+0.34%)
Dec 15, 2011	80.42	80.49	80.22	80.28	5,149,250	-0.17(-0.21%)
Dec 14, 2011	80.26	80.55	80.32	80.45	1,268,390	+0.20(+0.25%)
Dec 13, 2011	80.10	80.36	80.07	80.26	2,005,470	+0.16(+0.20%)
Dec 12, 2011	80.13	80.25	80.09	80.09	1,667,872	+0.02(+0.03%)
Dec 09, 2011	80.10	80.21	79.98	80.07	1,277,149	-0.04(-0.05%)
Dec 08, 2011	80.01	80.21	79.98	80.12	1,678,715	+0.08(+0.10%)
Dec 07, 2011	79.95	80.10	79.83	80.04	943,945	+0.15(+0.18%)
Dec 06, 2011	79.87	79.94	79.68	79.89	1,509,934	-0.07(-0.09%)
Dec 05, 2011	79.78	79.96	79.71	79.96	1,453,157	+0.09(+0.11%)
Dec 02, 2011	79.65	79.94	79.61	79.88	1,253,355	+0.20(+0.26%)
Dec 01, 2011	79.64	79.77	79.49	79.67	2,501,284	+0.03(+0.04%)
Nov 30, 2011	79.80	79.81	79.56	79.64	1,758,261	-0.20(-0.26%)
Nov 29, 2011	79.72	79.88	79.56	79.85	2,360,098	+0.03(+0.04%)
Nov 28, 2011	79.63	79.85	79.54	79.82	2,370,573	-0.01(-0.01%)
Nov 25, 2011	79.94	79.99	79.79	79.82	1,050,328	-0.11(-0.14%)
Nov 23, 2011	79.80	80.05	79.76	79.93	1,188,539	+0.07(+0.09%)
Nov 22, 2011	79.77	79.91	79.68	79.86	1,443,317	+0.06(+0.07%)
Nov 21, 2011	79.92	79.93	79.78	79.80	1,151,974	-0.01(-0.02%)
Nov 18, 2011	79.90	79.90	79.69	79.82	1,106,498	-0.01(-0.02%)
Nov 17, 2011	79.85	79.98	79.73	79.83	2,293,500	-0.04(-0.05%)
Nov 16, 2011	80.08	80.09	79.80	79.88	1,666,010	-0.03(-0.04%)
Nov 15, 2011	79.99	80.04	79.80	79.90	1,081,909	-0.10(-0.13%)
Nov 14, 2011	80.06	80.10	79.91	80.01	1,633,686	+0.07(+0.08%)
Nov 11, 2011	79.95	80.00	79.87	79.94	2,476,677	-0.09(-0.12%)
Nov 10, 2011	80.02	80.21	79.86	80.04	1,796,048	-0.15(-0.19%)
Nov 09, 2011	80.22	80.34	80.11	80.19	1,071,234	+0.14(+0.17%)
Nov 08, 2011	80.06	80.22	79.98	80.05	1,303,665	-0.11(-0.14%)
Nov 07, 2011	80.09	80.34	80.07	80.16	1,023,475	+0.07(+0.08%)
Nov 04, 2011	80.12	80.24	80.06	80.09	2,801,827	-0.02(-0.03%)
Nov 03, 2011	80.07	80.22	80.01	80.12	1,532,622	-0.17(-0.22%)
Nov 02, 2011	80.07	80.34	80.04	80.29	1,005,769	+0.00(+0.00%)
Nov 01, 2011	80.02	80.30	79.99	80.29	1,982,684	+0.38(+0.48%)
Oct 31, 2011	79.76	79.91	79.69	79.91	2,405,511	+0.38(+0.47%)
Oct 28, 2011	79.28	79.55	79.27	79.53	1,348,182	+0.31(+0.39%)
Oct 27, 2011	79.44	79.46	79.09	79.22	1,322,231	-0.31(-0.38%)
Oct 26, 2011	79.59	79.72	79.44	79.52	914,531	-0.22(-0.27%)
Oct 25, 2011	79.40	79.75	79.35	79.74	2,035,371	+0.41(+0.51%)
Oct 24, 2011	79.49	79.49	79.28	79.33	1,194,631	-0.12(-0.16%)
Oct 21, 2011	79.49	79.54	79.33	79.46	764,633	+0.04(+0.05%)
Oct 20, 2011	79.43	79.62	79.31	79.41	1,185,260	-0.04(-0.05%)
Oct 19, 2011	79.35	79.57	79.28	79.46	1,074,218	+0.12(+0.15%)
Oct 18, 2011	79.39	79.55	79.25	79.34	1,320,185	-0.09(-0.11%)
Oct 17, 2011	79.17	79.43	79.16	79.43	1,138,304	+0.31(+0.39%)
Oct 14, 2011	79.00	79.23	79.00	79.12	808,944	-0.13(-0.17%)
Oct 13, 2011	79.28	79.39	79.11	79.25	1,256,315	+0.04(+0.06%)
Oct 12, 2011	79.08	79.28	79.03	79.20	1,543,319	-0.15(-0.19%)
Oct 11, 2011	79.22	79.37	79.13	79.35	2,967,330	+0.19(+0.24%)
Oct 10, 2011	79.33	79.33	78.94	79.17	979,668	-0.16(-0.20%)
Oct 07, 2011	79.33	79.43	79.18	79.33	2,084,415	-0.16(-0.20%)
Oct 06, 2011	79.54	79.55	79.44	79.49	1,407,885	-0.13(-0.16%)
Oct 05, 2011	79.81	79.83	79.59	79.62	2,064,145	-0.27(-0.34%)
Oct 04, 2011	80.20	80.27	79.88	79.89	1,860,722	-0.25(-0.31%)
Oct 03, 2011	79.96	80.17	79.84	80.13	3,266,752	+0.33(+0.41%)
Sep 30, 2011	79.73	79.89	79.62	79.81	1,408,160	+0.30(+0.37%)
Sep 29, 2011	79.46	79.63	79.41	79.51	1,138,190	-0.03(-0.04%)
Sep 28, 2011	79.57	79.58	79.38	79.54	1,173,287	-0.07(-0.08%)
Sep 27, 2011	79.52	79.62	79.44	79.60	1,776,233	-0.11(-0.14%)
Sep 26, 2011	79.83	79.93	79.66	79.71	1,598,760	-0.18(-0.23%)
Sep 23, 2011	80.40	80.40	79.88	79.89	1,536,106	-0.41(-0.51%)
Sep 22, 2011	80.30	80.47	80.19	80.31	1,207,158	+0.23(+0.29%)
Sep 21, 2011	79.92	80.11	79.78	80.07	1,714,836	+0.13(+0.16%)
Sep 20, 2011	79.91	79.94	79.78	79.94	967,995	+0.16(+0.20%)
Sep 19, 2011	79.86	79.91	79.76	79.78	1,085,040	+0.17(+0.22%)
Sep 16, 2011	79.49	79.61	79.39	79.61	1,222,007	+0.12(+0.15%)
Sep 15, 2011	79.61	79.67	79.49	79.49	1,444,136	-0.23(-0.29%)
Sep 14, 2011	79.65	79.81	79.62	79.73	1,469,698	+0.01(+0.02%)
Sep 13, 2011	79.75	79.77	79.62	79.71	967,606	+0.03(+0.04%)
Sep 12, 2011	79.86	79.86	79.61	79.68	1,432,068	-0.16(-0.20%)
Sep 09, 2011	79.77	79.92	79.71	79.84	1,117,156	+0.11(+0.14%)
Sep 08, 2011	79.84	79.85	79.62	79.73	1,613,400	+0.02(+0.03%)
Sep 07, 2011	79.77	79.81	79.62	79.71	1,268,642	-0.19(-0.24%)
Sep 06, 2011	80.02	80.02	79.86	79.90	1,523,261	+0.21(+0.26%)
Sep 02, 2011	79.70	79.84	79.58	79.69	1,274,605	+0.24(+0.30%)

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