Date	Open	High	Low	Close	Volume	Change (%)
Nov 30, 2011	73.04	73.07	73.03	73.07	1,719,542	+0.00(+0.00%)
Nov 29, 2011	73.05	73.07	73.04	73.07	1,959,045	+0.01(+0.01%)
Nov 28, 2011	73.02	73.06	73.02	73.06	1,400,119	+0.01(+0.01%)
Nov 25, 2011	73.05	73.05	73.03	73.05	641,757	+0.00(+0.00%)
Nov 23, 2011	73.02	73.06	73.02	73.05	1,700,966	+0.01(+0.01%)
Nov 22, 2011	73.05	73.05	73.02	73.04	3,322,793	+0.01(+0.01%)
Nov 21, 2011	73.03	73.03	73.02	73.03	1,564,359	+0.01(+0.01%)
Nov 18, 2011	73.03	73.04	73.02	73.02	1,740,134	-0.03(-0.04%)
Nov 17, 2011	73.03	73.05	73.02	73.05	2,026,113	+0.01(+0.01%)
Nov 16, 2011	73.06	73.07	73.04	73.04	1,131,880	-0.02(-0.02%)
Nov 15, 2011	73.07	73.08	73.05	73.06	911,938	-0.01(-0.01%)
Nov 14, 2011	73.04	73.09	73.04	73.07	3,051,121	+0.03(+0.05%)
Nov 11, 2011	73.05	73.07	73.03	73.03	1,170,560	-0.03(-0.05%)
Nov 10, 2011	73.07	73.08	73.05	73.07	4,255,268	+0.01(+0.01%)
Nov 09, 2011	73.05	73.08	73.05	73.06	1,336,142	+0.02(+0.02%)
Nov 08, 2011	73.04	73.07	73.04	73.04	822,935	-0.01(-0.01%)
Nov 07, 2011	73.07	73.08	73.05	73.05	1,252,358	-0.02(-0.02%)
Nov 04, 2011	73.05	73.08	73.05	73.07	715,753	+0.00(+0.00%)
Nov 03, 2011	73.06	73.07	73.05	73.07	1,804,601	+0.01(+0.01%)
Nov 02, 2011	73.05	73.08	73.05	73.06	2,156,136	+0.02(+0.02%)
Nov 01, 2011	73.07	73.07	73.03	73.04	6,568,971	+0.01(+0.01%)
Oct 31, 2011	73.00	73.03	73.00	73.03	1,592,930	+0.07(+0.09%)
Oct 28, 2011	72.96	72.97	72.92	72.97	2,333,820	+0.03(+0.05%)
Oct 27, 2011	72.97	72.97	72.92	72.93	1,762,659	-0.05(-0.07%)
Oct 26, 2011	72.99	73.00	72.97	72.98	1,239,076	-0.04(-0.06%)
Oct 25, 2011	72.98	73.03	72.97	73.03	4,169,630	+0.04(+0.06%)
Oct 24, 2011	72.98	72.98	72.97	72.98	2,016,931	+0.00(+0.00%)
Oct 21, 2011	73.00	73.00	72.97	72.98	1,651,455	-0.03(-0.04%)
Oct 20, 2011	72.98	73.01	72.97	73.01	2,553,813	+0.01(+0.01%)
Oct 19, 2011	72.97	73.00	72.97	73.00	2,300,644	+0.03(+0.04%)
Oct 18, 2011	72.97	72.99	72.97	72.97	1,609,067	+0.00(+0.00%)
Oct 17, 2011	72.97	72.98	72.96	72.97	966,343	+0.01(+0.01%)
Oct 14, 2011	72.93	72.97	72.93	72.97	1,269,433	+0.03(+0.05%)
Oct 13, 2011	72.96	72.97	72.93	72.93	3,152,098	+0.02(+0.02%)
Oct 12, 2011	72.88	72.91	72.88	72.91	3,635,220	+0.00(+0.00%)
Oct 11, 2011	72.91	72.92	72.90	72.91	1,097,382	+0.03(+0.05%)
Oct 10, 2011	72.97	72.97	72.86	72.88	1,773,808	-0.06(-0.08%)
Oct 07, 2011	72.96	72.97	72.91	72.94	2,610,859	-0.03(-0.04%)
Oct 06, 2011	72.97	72.98	72.97	72.97	1,414,016	-0.02(-0.02%)
Oct 05, 2011	72.99	72.99	72.97	72.98	2,008,029	+0.00(+0.00%)
Oct 04, 2011	73.02	73.03	72.98	72.98	4,673,679	-0.04(-0.06%)
Oct 03, 2011	73.01	73.03	72.99	73.03	3,340,843	+0.02(+0.02%)
Sep 30, 2011	73.00	73.01	72.98	73.01	2,448,816	+0.03(+0.05%)
Sep 29, 2011	72.97	72.98	72.96	72.98	1,397,505	+0.02(+0.02%)
Sep 28, 2011	72.97	72.98	72.95	72.96	3,191,967	-0.03(-0.04%)
Sep 27, 2011	72.98	73.00	72.98	72.98	1,509,363	-0.03(-0.04%)
Sep 26, 2011	73.03	73.03	73.00	73.01	1,132,189	-0.03(-0.04%)
Sep 23, 2011	73.05	73.05	73.02	73.04	3,299,638	+0.01(+0.01%)
Sep 22, 2011	73.06	73.07	73.03	73.03	2,872,222	+0.01(+0.01%)
Sep 21, 2011	73.12	73.13	73.02	73.02	1,140,634	-0.08(-0.11%)
Sep 20, 2011	73.10	73.13	73.10	73.10	2,207,667	-0.03(-0.05%)
Sep 19, 2011	73.13	73.14	73.11	73.13	746,559	+0.03(+0.05%)
Sep 16, 2011	73.05	73.10	73.05	73.10	1,155,812	+0.02(+0.02%)
Sep 15, 2011	73.06	73.08	73.04	73.08	1,698,535	+0.01(+0.01%)
Sep 14, 2011	73.09	73.10	73.06	73.07	936,706	+0.00(+0.00%)
Sep 13, 2011	73.06	73.08	73.05	73.07	1,149,536	+0.01(+0.01%)
Sep 12, 2011	73.10	73.10	73.06	73.06	2,452,979	-0.05(-0.07%)
Sep 09, 2011	73.10	73.12	73.10	73.11	1,067,611	+0.03(+0.04%)
Sep 08, 2011	73.10	73.10	73.07	73.09	875,160	+0.03(+0.04%)
Sep 07, 2011	73.05	73.08	73.05	73.06	1,259,523	-0.02(-0.02%)
Sep 06, 2011	73.07	73.08	73.04	73.08	1,303,768	+0.01(+0.01%)
Sep 02, 2011	73.09	73.09	73.05	73.07	2,303,354	-0.03(-0.05%)
Sep 01, 2011	73.10	73.11	73.07	73.10	1,810,294	+0.02(+0.03%)
Aug 31, 2011	73.10	73.10	73.05	73.08	1,641,830	+0.00(+0.00%)
Aug 30, 2011	73.08	73.10	73.08	73.08	2,589,374	+0.02(+0.02%)
Aug 29, 2011	73.08	73.08	73.06	73.07	618,134	-0.02(-0.02%)
Aug 26, 2011	73.09	73.11	73.08	73.08	1,172,155	+0.01(+0.01%)
Aug 25, 2011	73.06	73.08	73.06	73.08	1,619,415	+0.04(+0.06%)
Aug 24, 2011	73.04	73.05	73.01	73.03	904,797	+0.00(+0.00%)
Aug 23, 2011	73.05	73.06	73.03	73.03	1,774,516	-0.03(-0.05%)
Aug 22, 2011	73.06	73.07	73.05	73.07	1,289,261	-0.01(-0.01%)
Aug 19, 2011	73.05	73.08	73.05	73.08	2,195,790	+0.00(+0.00%)
Aug 18, 2011	73.10	73.11	73.07	73.08	1,387,346	-0.01(-0.01%)
Aug 17, 2011	73.08	73.08	73.04	73.08	1,705,677	+0.02(+0.02%)
Aug 16, 2011	73.06	73.07	73.04	73.07	3,158,079	+0.00(+0.00%)
Aug 15, 2011	73.08	73.08	73.04	73.07	1,071,442	-0.03(-0.04%)
Aug 12, 2011	73.07	73.09	73.05	73.09	4,666,668	+0.01(+0.01%)
Aug 11, 2011	73.08	73.10	73.06	73.08	1,567,307	-0.02(-0.02%)
Aug 10, 2011	73.08	73.12	73.06	73.10	3,109,187	+0.05(+0.07%)
Aug 09, 2011	72.94	73.11	72.91	73.05	6,055,485	+0.08(+0.11%)
Aug 08, 2011	72.95	73.02	72.95	72.97	3,480,711	+0.03(+0.04%)
Aug 05, 2011	72.91	72.97	72.89	72.95	4,378,210	-0.02(-0.02%)
Aug 04, 2011	72.89	72.97	72.89	72.96	2,962,909	+0.07(+0.09%)
Aug 03, 2011	72.88	72.91	72.87	72.89	3,079,165	-0.01(-0.01%)
Aug 02, 2011	72.87	72.91	72.85	72.90	1,280,291	+0.09(+0.13%)
Aug 01, 2011	72.82	72.86	72.80	72.81	2,815,192	-0.03(-0.03%)
Jul 29, 2011	72.79	72.86	72.79	72.83	1,366,609	+0.08(+0.11%)
Jul 28, 2011	72.78	72.79	72.75	72.75	3,907,943	+0.04(+0.06%)
Jul 27, 2011	72.74	72.75	72.69	72.71	1,299,115	-0.04(-0.06%)
Jul 26, 2011	72.73	72.77	72.73	72.75	1,342,235	+0.04(+0.06%)
Jul 25, 2011	72.73	72.76	72.71	72.71	4,501,726	-0.03(-0.05%)
Jul 22, 2011	72.75	72.77	72.75	72.75	826,474	+0.01(+0.01%)
Jul 21, 2011	72.76	72.78	72.73	72.74	833,771	-0.03(-0.05%)
Jul 20, 2011	72.78	72.80	72.76	72.77	714,030	-0.03(-0.04%)
Jul 19, 2011	72.81	72.82	72.78	72.80	985,880	+0.00(+0.00%)
Jul 18, 2011	72.79	72.82	72.78	72.80	1,760,680	+0.00(+0.00%)
Jul 15, 2011	72.76	72.80	72.75	72.80	704,805	+0.02(+0.02%)
Jul 14, 2011	72.76	72.80	72.76	72.78	1,067,362	-0.03(-0.04%)
Jul 13, 2011	72.79	72.82	72.77	72.81	710,295	+0.02(+0.02%)
Jul 12, 2011	72.79	72.81	72.75	72.79	1,235,954	-0.01(-0.01%)
Jul 11, 2011	72.76	72.81	72.76	72.80	1,999,041	+0.05(+0.07%)
Jul 08, 2011	72.64	72.77	72.74	72.75	963,255	+0.10(+0.14%)
Jul 07, 2011	72.67	72.67	72.62	72.64	1,113,215	-0.07(-0.09%)
Jul 06, 2011	72.69	72.73	72.69	72.71	776,988	+0.03(+0.04%)
Jul 05, 2011	72.65	72.69	72.65	72.69	1,309,187	+0.09(+0.12%)
Jul 01, 2011	72.66	72.67	72.58	72.60	3,684,864	-0.02(-0.03%)
Jun 30, 2011	72.67	72.68	72.57	72.62	2,203,111	-0.01(-0.01%)
Jun 29, 2011	72.64	72.66	72.61	72.63	1,523,840	+0.00(+0.00%)
Jun 28, 2011	72.71	72.74	72.62	72.63	1,307,734	-0.13(-0.18%)
Jun 27, 2011	72.80	72.81	72.74	72.76	1,661,883	-0.07(-0.09%)
Jun 24, 2011	72.79	72.84	72.77	72.83	1,240,377	+0.04(+0.06%)
Jun 23, 2011	72.79	72.81	72.77	72.79	2,176,427	+0.04(+0.06%)
Jun 22, 2011	72.77	72.78	72.73	72.75	1,363,932	-0.02(-0.02%)
Jun 21, 2011	72.72	72.76	72.72	72.76	8,695,831	+0.01(+0.01%)
Jun 20, 2011	72.75	72.75	72.74	72.75	1,064,690	+0.00(+0.00%)
Jun 17, 2011	72.74	72.75	72.72	72.75	1,960,454	+0.02(+0.02%)
Jun 16, 2011	72.74	72.75	72.70	72.74	1,291,088	+0.01(+0.01%)
Jun 15, 2011	72.67	72.75	72.67	72.73	806,777	+0.10(+0.14%)
Jun 14, 2011	72.63	72.67	72.62	72.62	1,509,642	-0.06(-0.08%)
Jun 13, 2011	72.68	72.73	72.66	72.68	1,042,768	-0.03(-0.04%)
Jun 10, 2011	72.68	72.71	72.68	72.71	832,489	+0.06(+0.08%)
Jun 09, 2011	72.70	72.71	72.64	72.65	1,330,051	-0.08(-0.11%)
Jun 08, 2011	72.70	72.75	72.70	72.73	1,061,226	+0.01(+0.01%)
Jun 07, 2011	72.68	72.72	72.65	72.72	1,607,857	+0.05(+0.07%)
Jun 06, 2011	72.65	72.69	72.64	72.67	2,131,721	+0.01(+0.01%)
Jun 03, 2011	72.69	72.69	72.63	72.66	1,132,230	+0.13(+0.19%)
May 24, 2011	72.51	72.53	72.50	72.52	1,048,880	+0.00(+0.00%)
May 23, 2011	72.54	72.55	72.52	72.52	822,851	+0.01(+0.01%)
May 20, 2011	72.51	72.53	72.50	72.52	1,231,177	+0.03(+0.04%)
May 19, 2011	72.40	72.51	72.40	72.49	878,219	+0.01(+0.01%)
May 18, 2011	72.50	72.51	72.46	72.48	1,535,401	-0.03(-0.05%)
May 17, 2011	72.50	72.54	72.49	72.52	1,103,197	+0.01(+0.01%)
May 16, 2011	72.47	72.51	72.46	72.51	1,694,359	+0.03(+0.05%)
May 13, 2011	72.46	72.49	72.45	72.47	793,611	+0.03(+0.05%)
May 12, 2011	72.47	72.47	72.42	72.44	864,968	-0.03(-0.05%)
May 11, 2011	72.42	72.48	72.41	72.47	1,629,854	+0.07(+0.10%)
May 10, 2011	72.46	72.46	72.40	72.40	842,631	-0.07(-0.10%)
May 09, 2011	72.47	72.48	72.46	72.47	616,734	+0.03(+0.05%)
May 06, 2011	72.39	72.47	72.37	72.44	1,890,230	+0.01(+0.01%)
May 05, 2011	72.40	72.43	72.40	72.43	1,044,985	+0.02(+0.02%)
May 04, 2011	72.38	72.43	72.34	72.41	1,774,271	+0.03(+0.05%)
May 03, 2011	72.38	72.39	72.35	72.38	523,824	+0.03(+0.04%)
May 02, 2011	72.36	72.37	72.35	72.35	831,931	-0.01(-0.02%)
Apr 29, 2011	72.34	72.38	72.32	72.36	934,088	+0.03(+0.05%)
Apr 28, 2011	72.35	72.36	72.32	72.33	818,907	+0.00(+0.00%)
Apr 27, 2011	72.26	72.33	72.24	72.33	1,359,867	+0.03(+0.04%)
Apr 26, 2011	72.27	72.32	72.25	72.30	661,409	+0.07(+0.10%)
Apr 25, 2011	72.23	72.26	72.21	72.24	1,220,188	+0.01(+0.01%)
Apr 21, 2011	72.24	72.26	72.22	72.23	1,301,456	-0.02(-0.02%)
Apr 20, 2011	72.23	72.25	72.20	72.24	868,051	-0.01(-0.01%)
Apr 19, 2011	72.25	72.27	72.24	72.25	730,489	+0.02(+0.02%)
Apr 18, 2011	72.24	72.28	72.23	72.24	716,347	+0.02(+0.02%)
Apr 15, 2011	72.14	72.22	72.14	72.22	1,324,161	+0.14(+0.19%)
Apr 14, 2011	72.14	72.17	72.08	72.08	1,068,846	-0.07(-0.10%)
Apr 13, 2011	72.08	72.16	72.06	72.15	998,595	+0.03(+0.05%)
Apr 12, 2011	72.05	72.11	72.05	72.11	960,347	+0.12(+0.17%)
Apr 11, 2011	72.00	72.02	71.98	71.99	789,949	-0.01(-0.01%)
Apr 08, 2011	71.99	72.02	71.99	72.00	804,633	-0.03(-0.04%)
Apr 07, 2011	71.99	72.05	71.99	72.03	583,363	+0.05(+0.07%)
Apr 06, 2011	71.98	72.00	71.96	71.98	770,720	+0.00(+0.00%)
Apr 05, 2011	72.03	72.06	71.98	71.98	1,837,997	-0.08(-0.11%)
Apr 04, 2011	72.05	72.09	72.05	72.05	1,347,847	+0.02(+0.02%)
Apr 01, 2011	71.92	72.04	71.91	72.04	994,883	+0.06(+0.08%)
Mar 31, 2011	72.05	72.07	71.98	71.98	1,088,045	-0.04(-0.06%)
Mar 30, 2011	72.02	72.02	72.02	72.02	734,412	+0.04(+0.06%)
Mar 29, 2011	72.01	72.04	71.97	71.98	1,004,483	-0.03(-0.04%)
Mar 28, 2011	72.01	72.05	71.99	72.01	1,737,139	-0.03(-0.05%)
Mar 25, 2011	72.13	72.13	72.02	72.04	943,684	-0.05(-0.07%)
Mar 24, 2011	72.12	72.14	72.08	72.09	1,208,106	-0.05(-0.07%)
Mar 23, 2011	72.19	72.19	72.13	72.14	1,010,746	+0.01(+0.01%)
Mar 22, 2011	72.11	72.15	72.11	72.13	1,631,952	-0.02(-0.02%)
Mar 21, 2011	72.16	72.19	72.15	72.15	711,890	-0.08(-0.11%)
Mar 18, 2011	72.23	72.26	72.22	72.23	947,067	-0.03(-0.05%)
Mar 17, 2011	72.25	72.27	72.20	72.26	1,177,401	-0.04(-0.06%)
Mar 16, 2011	72.23	72.33	72.21	72.31	3,029,635	+0.14(+0.19%)
Mar 15, 2011	72.25	72.25	72.17	72.17	1,340,526	-0.03(-0.05%)
Mar 14, 2011	72.22	72.27	72.20	72.20	1,771,047	+0.04(+0.05%)
Mar 11, 2011	72.15	72.18	72.13	72.16	789,060	+0.01(+0.02%)
Mar 10, 2011	72.10	72.17	72.07	72.15	805,149	+0.08(+0.11%)
Mar 09, 2011	72.07	72.12	72.04	72.07	1,075,328	+0.05(+0.07%)
Mar 08, 2011	72.01	72.04	72.00	72.02	1,004,693	-0.03(-0.04%)
Mar 07, 2011	72.03	72.10	72.03	72.05	777,718	-0.05(-0.07%)
Mar 04, 2011	72.01	72.10	72.01	72.10	730,234	+0.16(+0.23%)
Mar 03, 2011	71.98	72.00	71.94	71.94	861,404	-0.15(-0.20%)
Mar 02, 2011	72.12	72.14	72.07	72.08	971,262	-0.03(-0.05%)
Mar 01, 2011	72.03	72.13	72.03	72.12	913,554	+0.04(+0.06%)
Feb 28, 2011	72.06	72.10	72.05	72.07	777,322	+0.03(+0.04%)
Feb 25, 2011	72.00	72.06	72.00	72.05	915,169	+0.02(+0.02%)
Feb 24, 2011	72.01	72.05	72.00	72.03	776,207	+0.03(+0.05%)
Feb 23, 2011	72.02	72.05	71.99	72.00	968,177	-0.02(-0.02%)
Feb 22, 2011	71.97	72.03	71.94	72.01	2,194,741	+0.08(+0.11%)
Feb 18, 2011	71.88	71.94	71.87	71.94	825,737	+0.03(+0.04%)
Feb 17, 2011	71.88	71.92	71.88	71.91	1,275,969	+0.09(+0.12%)
Feb 16, 2011	71.81	71.87	71.79	71.82	1,121,629	-0.01(-0.01%)
Feb 15, 2011	71.76	71.83	71.76	71.83	1,143,010	+0.03(+0.05%)
Feb 14, 2011	71.79	71.82	71.79	71.80	1,464,323	+0.00(+0.00%)
Feb 11, 2011	71.84	71.87	71.80	71.80	915,997	+0.00(+0.00%)
Feb 10, 2011	71.82	71.85	71.79	71.80	706,909	-0.03(-0.05%)
Feb 09, 2011	71.82	71.88	71.81	71.83	1,488,014	+0.05(+0.07%)
Feb 08, 2011	71.87	71.88	71.76	71.78	1,570,250	-0.09(-0.13%)
Feb 07, 2011	71.86	71.90	71.84	71.88	620,017	-0.03(-0.05%)
Feb 04, 2011	71.93	71.95	71.88	71.91	712,881	-0.06(-0.08%)
Feb 03, 2011	71.98	72.00	71.94	71.97	2,146,788	-0.07(-0.10%)
Feb 02, 2011	72.08	72.11	72.01	72.04	1,326,514	-0.04(-0.06%)
Feb 01, 2011	72.12	72.12	72.08	72.08	1,581,970	-0.08(-0.11%)
Jan 31, 2011	72.19	72.20	72.14	72.16	1,327,267	-0.01(-0.01%)
Jan 28, 2011	72.13	72.20	72.12	72.17	790,576	+0.03(+0.05%)
Jan 27, 2011	72.12	72.14	72.09	72.14	1,069,268	+0.05(+0.07%)
Jan 26, 2011	72.07	72.09	72.04	72.08	1,316,878	-0.02(-0.02%)
Jan 25, 2011	72.05	72.12	72.03	72.10	1,896,013	+0.05(+0.07%)
Jan 24, 2011	72.03	72.07	72.03	72.05	736,227	-0.01(-0.01%)
Jan 21, 2011	72.03	72.07	72.03	72.06	540,135	+0.02(+0.02%)
Jan 20, 2011	72.10	72.10	72.03	72.04	910,833	-0.08(-0.11%)
Jan 19, 2011	72.10	72.13	72.09	72.12	1,689,992	+0.03(+0.05%)
Jan 18, 2011	72.08	72.12	72.07	72.08	806,614	-0.02(-0.02%)
Jan 14, 2011	72.12	72.14	72.09	72.10	980,991	+0.00(+0.00%)
Jan 13, 2011	72.08	72.11	72.05	72.10	799,178	+0.03(+0.04%)
Jan 12, 2011	72.04	72.08	72.02	72.08	819,348	+0.00(+0.00%)
Jan 11, 2011	72.13	72.13	72.07	72.08	1,235,674	-0.04(-0.06%)
Jan 10, 2011	72.08	72.13	72.08	72.12	1,401,660	+0.04(+0.05%)
Jan 07, 2011	72.03	72.10	72.02	72.08	923,080	+0.10(+0.14%)
Jan 06, 2011	71.94	72.00	71.92	71.98	1,965,337	+0.08(+0.11%)
Jan 05, 2011	71.93	71.96	71.89	71.90	1,487,109	-0.13(-0.18%)
Jan 04, 2011	72.05	72.09	72.02	72.03	2,356,722	-0.02(-0.02%)
Jan 03, 2011	72.03	72.06	72.00	72.05	787,892	-0.02(-0.02%)
Dec 31, 2010	72.00	72.08	71.99	72.07	774,399	+0.09(+0.12%)
Dec 30, 2010	71.99	72.00	71.94	71.98	1,303,986	-0.03(-0.04%)
Dec 29, 2010	71.87	72.03	71.86	72.01	1,403,903	+0.17(+0.24%)
Dec 28, 2010	71.90	71.94	71.84	71.84	959,452	-0.10(-0.13%)
Dec 27, 2010	71.87	71.93	71.83	71.93	851,305	+0.04(+0.06%)
Dec 23, 2010	71.92	71.94	71.89	71.89	677,553	-0.09(-0.13%)
Dec 22, 2010	72.00	72.01	71.94	71.98	614,416	-0.02(-0.02%)
Dec 21, 2010	72.02	72.02	71.97	72.00	1,025,905	-0.02(-0.02%)
Dec 20, 2010	72.02	72.06	72.00	72.02	724,267	+0.02(+0.02%)
Dec 17, 2010	71.94	72.02	71.94	72.00	1,254,655	+0.06(+0.08%)
Dec 16, 2010	71.91	71.97	71.87	71.94	1,319,661	+0.02(+0.02%)
Dec 15, 2010	71.93	71.98	71.88	71.92	840,447	-0.03(-0.04%)
Dec 14, 2010	71.99	72.00	71.90	71.95	1,018,197	-0.03(-0.05%)
Dec 13, 2010	71.95	72.02	71.92	71.98	1,101,121	+0.04(+0.06%)
Dec 10, 2010	71.98	71.99	71.93	71.94	1,063,855	-0.03(-0.04%)
Dec 09, 2010	71.99	72.01	71.94	71.97	1,320,938	-0.01(-0.01%)
Dec 08, 2010	72.01	72.02	71.94	71.97	1,441,355	-0.11(-0.15%)
Dec 07, 2010	72.20	72.20	72.06	72.09	1,188,082	-0.13(-0.18%)
Dec 06, 2010	72.21	72.24	72.20	72.21	1,966,832	+0.04(+0.06%)
Dec 03, 2010	72.16	72.19	72.13	72.17	1,591,717	+0.09(+0.13%)
Dec 02, 2010	72.08	72.11	72.05	72.08	1,045,456	+0.00(+0.00%)

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