Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	81.92	81.92	81.81	81.82	1,192,103	-0.03(-0.04%)
Apr 27, 2012	81.83	81.87	81.78	81.85	836,356	-0.01(-0.01%)
Apr 26, 2012	81.85	81.89	81.78	81.86	1,380,999	+0.13(+0.15%)
Apr 25, 2012	81.68	81.75	81.55	81.73	1,327,823	+0.04(+0.05%)
Apr 24, 2012	81.77	81.80	81.68	81.69	848,192	-0.12(-0.14%)
Apr 23, 2012	81.92	81.92	81.77	81.81	1,063,897	+0.08(+0.10%)
Apr 20, 2012	81.73	81.76	81.65	81.73	2,068,452	+0.01(+0.02%)
Apr 19, 2012	81.75	81.80	81.72	81.72	836,300	-0.06(-0.07%)
Apr 18, 2012	81.70	81.78	81.63	81.78	1,195,280	+0.10(+0.13%)
Apr 17, 2012	81.60	81.67	81.56	81.67	996,967	+0.01(+0.02%)
Apr 16, 2012	81.55	81.74	81.55	81.66	1,515,560	+0.01(+0.02%)
Apr 13, 2012	81.60	81.66	81.53	81.64	1,493,127	+0.25(+0.31%)
Apr 12, 2012	81.45	81.48	81.38	81.39	683,821	-0.08(-0.10%)
Apr 11, 2012	81.41	81.47	81.29	81.47	1,626,258	+0.01(+0.01%)
Apr 10, 2012	81.52	81.63	81.43	81.46	2,559,967	+0.01(+0.01%)
Apr 09, 2012	81.51	81.52	81.41	81.46	778,036	+0.36(+0.44%)
Apr 05, 2012	81.08	81.10	80.94	81.10	1,012,473	+0.18(+0.23%)
Apr 04, 2012	80.89	80.94	80.79	80.92	1,537,124	+0.17(+0.21%)
Apr 03, 2012	81.16	81.22	80.69	80.75	1,036,805	-0.35(-0.43%)
Apr 02, 2012	81.29	81.29	80.98	81.09	3,241,984	+0.01(+0.01%)
Mar 30, 2012	81.28	81.28	80.97	81.08	1,518,981	-0.13(-0.15%)
Mar 29, 2012	81.16	81.24	81.08	81.21	1,636,556	+0.22(+0.27%)
Mar 28, 2012	81.00	81.11	80.96	80.99	1,100,955	-0.01(-0.02%)
Mar 27, 2012	80.97	81.05	80.91	81.00	3,453,466	+0.09(+0.11%)
Mar 26, 2012	80.94	80.96	80.78	80.92	1,175,622	-0.06(-0.07%)
Mar 23, 2012	80.80	80.97	80.78	80.97	1,027,390	+0.18(+0.23%)
Mar 22, 2012	80.72	80.80	80.72	80.79	903,294	+0.07(+0.09%)
Mar 21, 2012	80.63	80.75	80.55	80.72	800,240	+0.19(+0.24%)
Mar 20, 2012	80.40	80.52	80.34	80.52	1,300,994	+0.12(+0.15%)
Mar 19, 2012	80.68	80.68	80.38	80.41	1,553,590	-0.26(-0.32%)
Mar 16, 2012	80.57	80.69	80.50	80.66	1,265,170	+0.01(+0.01%)
Mar 15, 2012	80.65	80.80	80.64	80.66	1,084,381	-0.04(-0.05%)
Mar 14, 2012	81.02	81.08	80.64	80.69	1,516,948	-0.44(-0.55%)
Mar 13, 2012	81.36	81.37	81.12	81.14	1,957,163	-0.27(-0.34%)
Mar 12, 2012	81.48	81.53	81.38	81.41	1,485,612	+0.07(+0.09%)
Mar 09, 2012	81.37	81.37	81.29	81.34	963,075	-0.01(-0.02%)
Mar 08, 2012	81.53	81.55	81.33	81.35	1,315,833	-0.18(-0.23%)
Mar 07, 2012	81.60	81.61	81.51	81.53	1,132,595	-0.07(-0.09%)
Mar 06, 2012	81.60	81.65	81.53	81.61	1,431,193	+0.16(+0.20%)
Mar 05, 2012	81.55	81.58	81.43	81.45	1,487,655	-0.12(-0.14%)
Mar 02, 2012	81.43	81.57	81.42	81.56	1,170,254	+0.18(+0.22%)
Mar 01, 2012	81.37	81.42	81.25	81.39	1,683,520	-0.16(-0.20%)
Feb 29, 2012	81.68	81.68	81.43	81.55	2,707,550	-0.08(-0.10%)
Feb 28, 2012	81.74	81.77	81.59	81.63	1,080,037	-0.06(-0.07%)
Feb 27, 2012	81.60	81.69	81.55	81.69	966,957	+0.26(+0.32%)
Feb 24, 2012	81.46	81.57	81.42	81.43	1,852,795	+0.02(+0.03%)
Feb 23, 2012	81.30	81.43	81.27	81.41	1,070,661	+0.07(+0.08%)
Feb 22, 2012	81.24	81.35	81.20	81.35	1,324,346	+0.23(+0.28%)
Feb 21, 2012	81.19	81.23	81.11	81.12	1,417,633	-0.13(-0.15%)
Feb 17, 2012	81.23	81.27	81.14	81.24	1,159,412	-0.10(-0.13%)
Feb 16, 2012	81.36	81.42	81.27	81.35	1,247,733	-0.01(-0.02%)
Feb 15, 2012	81.47	81.49	81.35	81.36	1,189,044	-0.03(-0.04%)
Feb 14, 2012	81.41	81.52	81.38	81.39	1,189,991	+0.07(+0.08%)
Feb 13, 2012	81.35	81.40	81.28	81.32	1,242,424	+0.03(+0.04%)
Feb 10, 2012	81.25	81.38	81.24	81.29	970,937	+0.11(+0.14%)
Feb 09, 2012	81.27	81.30	81.13	81.18	1,450,988	-0.13(-0.16%)
Feb 08, 2012	81.34	81.40	81.24	81.32	2,009,514	-0.07(-0.08%)
Feb 07, 2012	81.33	81.41	81.24	81.38	1,312,685	-0.08(-0.10%)
Feb 06, 2012	81.38	81.46	81.29	81.46	2,518,464	+0.06(+0.07%)
Feb 03, 2012	81.21	81.43	81.15	81.41	1,551,537	-0.04(-0.05%)
Feb 02, 2012	81.40	81.49	81.34	81.44	1,605,501	+0.02(+0.03%)
Feb 01, 2012	81.44	81.52	81.32	81.42	2,668,665	-0.14(-0.18%)
Jan 31, 2012	81.41	81.58	81.32	81.56	4,432,934	+0.14(+0.17%)
Jan 30, 2012	81.34	81.48	81.30	81.42	2,029,014	+0.23(+0.29%)
Jan 27, 2012	81.18	81.25	81.06	81.19	1,059,271	+0.13(+0.16%)
Jan 26, 2012	81.08	81.16	81.03	81.06	1,676,852	+0.16(+0.20%)
Jan 25, 2012	80.78	81.14	80.68	80.89	2,123,347	+0.12(+0.15%)
Jan 24, 2012	80.77	80.78	80.67	80.78	1,077,765	+0.07(+0.08%)
Jan 23, 2012	80.62	80.78	80.62	80.71	1,115,897	-0.07(-0.08%)
Jan 20, 2012	81.03	81.03	80.72	80.78	1,405,775	-0.21(-0.25%)
Jan 19, 2012	81.11	81.14	80.91	80.98	1,405,403	-0.13(-0.16%)
Jan 18, 2012	81.20	81.29	81.09	81.12	1,656,748	-0.10(-0.13%)
Jan 17, 2012	81.29	81.34	81.18	81.22	1,732,993	+0.02(+0.03%)
Jan 13, 2012	81.09	81.27	81.09	81.20	1,041,543	+0.18(+0.23%)
Jan 12, 2012	81.03	81.07	80.92	81.01	1,149,295	-0.07(-0.08%)
Jan 11, 2012	80.89	81.08	80.84	81.08	1,075,333	+0.29(+0.35%)
Jan 10, 2012	80.81	80.92	80.75	80.79	1,364,356	-0.02(-0.03%)
Jan 09, 2012	80.89	81.03	80.79	80.81	1,328,998	-0.07(-0.08%)
Jan 06, 2012	80.81	80.98	80.81	80.88	1,222,407	+0.07(+0.08%)
Jan 05, 2012	80.73	80.83	80.68	80.81	1,166,022	+0.11(+0.14%)
Jan 04, 2012	80.84	80.84	80.62	80.70	1,768,756	-0.27(-0.34%)
Dec 30, 2011	81.08	81.19	80.97	80.98	1,495,310	-0.10(-0.13%)
Dec 29, 2011	80.97	81.12	80.85	81.08	1,341,602	+0.19(+0.24%)
Dec 28, 2011	80.78	80.96	80.73	80.89	1,189,590	+0.14(+0.17%)
Dec 27, 2011	80.57	80.75	80.55	80.75	1,484,743	+0.15(+0.18%)
Dec 23, 2011	80.56	80.65	80.38	80.60	925,597	+0.03(+0.04%)
Dec 21, 2011	80.76	80.80	80.54	80.57	1,266,486	-0.21(-0.25%)
Dec 20, 2011	80.82	80.92	80.75	80.78	3,785,247	-0.11(-0.14%)
Dec 19, 2011	80.81	80.94	80.74	80.89	1,530,228	+0.08(+0.10%)
Dec 16, 2011	80.68	80.86	80.65	80.81	1,609,606	+0.27(+0.34%)
Dec 15, 2011	80.67	80.75	80.47	80.54	5,133,148	-0.17(-0.21%)
Dec 14, 2011	80.51	80.80	80.57	80.71	1,264,424	+0.20(+0.25%)
Dec 13, 2011	80.35	80.61	80.32	80.51	1,999,199	+0.16(+0.20%)
Dec 12, 2011	80.38	80.50	80.34	80.35	1,662,657	+0.02(+0.03%)
Dec 09, 2011	80.35	80.46	80.23	80.32	1,273,155	-0.04(-0.05%)
Dec 08, 2011	80.26	80.46	80.23	80.37	1,673,466	+0.08(+0.10%)
Dec 07, 2011	80.20	80.35	80.08	80.29	940,993	+0.15(+0.18%)
Dec 06, 2011	80.12	80.19	79.93	80.14	1,505,212	-0.07(-0.09%)
Dec 05, 2011	80.03	80.21	79.96	80.21	1,448,613	+0.09(+0.11%)
Dec 02, 2011	79.90	80.19	79.86	80.13	1,249,436	+0.21(+0.26%)
Dec 01, 2011	79.89	80.02	79.74	79.92	2,493,462	+0.03(+0.04%)
Nov 30, 2011	80.05	80.06	79.81	79.89	1,752,763	-0.20(-0.26%)
Nov 29, 2011	79.97	80.13	79.81	80.10	2,352,718	+0.03(+0.04%)
Nov 28, 2011	79.88	80.10	79.79	80.07	2,363,161	-0.01(-0.01%)
Nov 25, 2011	80.19	80.24	80.04	80.07	1,047,044	-0.11(-0.14%)
Nov 23, 2011	80.05	80.30	80.01	80.18	1,184,823	+0.07(+0.09%)
Nov 22, 2011	80.02	80.16	79.93	80.11	1,438,804	+0.06(+0.07%)
Nov 21, 2011	80.17	80.18	80.03	80.05	1,148,372	-0.01(-0.02%)
Nov 18, 2011	80.15	80.15	79.94	80.07	1,103,038	-0.01(-0.02%)
Nov 17, 2011	80.10	80.24	79.98	80.08	2,286,328	-0.04(-0.05%)
Nov 16, 2011	80.33	80.34	80.05	80.13	1,660,801	-0.03(-0.04%)
Nov 15, 2011	80.24	80.29	80.05	80.15	1,078,526	-0.10(-0.13%)
Nov 14, 2011	80.32	80.35	80.16	80.26	1,628,578	+0.07(+0.08%)
Nov 11, 2011	80.20	80.25	80.12	80.19	2,468,933	-0.09(-0.12%)
Nov 10, 2011	80.27	80.46	80.11	80.29	1,790,432	-0.15(-0.19%)
Nov 09, 2011	80.47	80.59	80.36	80.44	1,067,884	+0.14(+0.17%)
Nov 08, 2011	80.31	80.48	80.24	80.30	1,299,589	-0.11(-0.14%)
Nov 07, 2011	80.34	80.59	80.32	80.41	1,020,275	+0.07(+0.08%)
Nov 04, 2011	80.37	80.49	80.32	80.34	2,793,066	-0.02(-0.03%)
Nov 03, 2011	80.32	80.48	80.26	80.37	1,527,830	-0.18(-0.22%)
Nov 02, 2011	80.32	80.59	80.29	80.54	1,002,624	+0.00(+0.00%)
Nov 01, 2011	80.27	80.56	80.24	80.54	1,976,485	+0.38(+0.48%)
Oct 31, 2011	80.01	80.16	79.94	80.16	2,397,990	+0.38(+0.47%)
Oct 28, 2011	79.53	79.80	79.52	79.78	1,343,966	+0.31(+0.39%)
Oct 27, 2011	79.69	79.71	79.34	79.47	1,318,097	-0.31(-0.38%)
Oct 26, 2011	79.84	79.97	79.69	79.77	911,671	-0.22(-0.27%)
Oct 25, 2011	79.65	80.00	79.60	79.99	2,029,007	+0.41(+0.51%)
Oct 24, 2011	79.74	79.74	79.52	79.58	1,190,895	-0.12(-0.16%)
Oct 21, 2011	79.74	79.79	79.58	79.71	762,242	+0.04(+0.05%)
Oct 20, 2011	79.68	79.87	79.56	79.66	1,181,554	-0.04(-0.05%)
Oct 19, 2011	79.60	79.82	79.52	79.71	1,070,859	+0.12(+0.15%)
Oct 18, 2011	79.64	79.80	79.49	79.59	1,316,057	-0.09(-0.11%)
Oct 17, 2011	79.41	79.68	79.41	79.68	1,134,745	+0.31(+0.39%)
Oct 14, 2011	79.25	79.48	79.25	79.36	806,415	-0.13(-0.16%)
Oct 13, 2011	79.53	79.64	79.36	79.49	1,252,387	+0.04(+0.06%)
Oct 12, 2011	79.33	79.52	79.28	79.45	1,538,493	-0.15(-0.19%)
Oct 11, 2011	79.47	79.62	79.38	79.60	2,958,051	+0.19(+0.24%)
Oct 10, 2011	79.57	79.57	79.19	79.41	976,604	-0.16(-0.20%)
Oct 07, 2011	79.57	79.68	79.43	79.57	2,077,897	-0.16(-0.20%)
Oct 06, 2011	79.79	79.80	79.69	79.73	1,403,482	-0.13(-0.16%)
Oct 05, 2011	80.06	80.08	79.84	79.87	2,057,690	-0.27(-0.34%)
Oct 04, 2011	80.45	80.52	80.13	80.14	1,854,904	-0.25(-0.31%)
Oct 03, 2011	80.22	80.42	80.09	80.38	3,256,538	+0.33(+0.41%)
Sep 30, 2011	79.98	80.14	79.87	80.06	1,403,757	+0.30(+0.37%)
Sep 29, 2011	79.71	79.88	79.66	79.76	1,134,631	-0.03(-0.04%)
Sep 28, 2011	79.82	79.83	79.63	79.79	1,169,619	-0.07(-0.08%)
Sep 27, 2011	79.77	79.87	79.69	79.85	1,770,679	-0.11(-0.14%)
Sep 26, 2011	80.08	80.18	79.91	79.96	1,593,761	-0.18(-0.23%)
Sep 23, 2011	80.65	80.65	80.13	80.14	1,531,303	-0.41(-0.51%)
Sep 22, 2011	80.55	80.72	80.44	80.56	1,203,384	+0.23(+0.29%)
Sep 21, 2011	80.17	80.36	80.03	80.32	1,709,474	+0.13(+0.16%)
Sep 20, 2011	80.16	80.19	80.03	80.19	964,968	+0.16(+0.20%)
Sep 19, 2011	80.11	80.16	80.01	80.03	1,081,647	+0.17(+0.22%)
Sep 16, 2011	79.74	79.86	79.64	79.86	1,218,186	+0.12(+0.15%)
Sep 15, 2011	79.86	79.92	79.74	79.74	1,439,621	-0.23(-0.29%)
Sep 14, 2011	79.90	80.06	79.87	79.98	1,465,103	+0.01(+0.02%)
Sep 13, 2011	80.00	80.02	79.87	79.96	964,580	+0.03(+0.04%)
Sep 12, 2011	80.11	80.11	79.86	79.93	1,427,590	-0.16(-0.20%)
Sep 09, 2011	80.02	80.17	79.96	80.09	1,113,663	+0.11(+0.14%)
Sep 08, 2011	80.09	80.10	79.87	79.98	1,608,355	+0.02(+0.03%)
Sep 07, 2011	80.02	80.06	79.87	79.96	1,264,675	-0.19(-0.24%)
Sep 06, 2011	80.27	80.27	80.11	80.15	1,518,498	+0.21(+0.26%)
Sep 02, 2011	79.95	80.09	79.83	79.94	1,270,619	+0.24(+0.30%)
Sep 01, 2011	79.59	79.75	79.37	79.70	2,120,240	+0.26(+0.32%)
Aug 31, 2011	79.65	79.72	79.44	79.44	3,369,189	-0.07(-0.09%)
Aug 30, 2011	79.48	79.64	79.39	79.52	1,527,435	+0.25(+0.31%)
Aug 29, 2011	79.20	79.28	79.14	79.27	1,585,931	-0.09(-0.11%)
Aug 26, 2011	79.46	79.50	79.22	79.36	929,959	+0.11(+0.14%)
Aug 25, 2011	79.18	79.32	79.10	79.25	891,835	+0.16(+0.20%)
Aug 24, 2011	79.44	79.45	79.03	79.09	914,222	-0.45(-0.57%)
Aug 23, 2011	79.60	79.60	79.44	79.54	1,043,479	-0.19(-0.24%)
Aug 22, 2011	79.68	79.79	79.60	79.73	1,049,959	-0.10(-0.13%)
Aug 19, 2011	79.79	79.85	79.67	79.83	1,752,936	+0.04(+0.05%)
Aug 18, 2011	79.98	80.17	79.73	79.79	1,315,234	+0.12(+0.15%)
Aug 17, 2011	79.61	79.78	79.44	79.68	1,542,970	+0.13(+0.16%)
Aug 16, 2011	79.29	79.63	79.29	79.55	1,240,522	+0.17(+0.21%)
Aug 15, 2011	79.47	79.50	79.26	79.38	1,425,381	+0.12(+0.16%)
Aug 12, 2011	79.20	79.49	79.03	79.25	3,407,598	+0.35(+0.44%)
Aug 11, 2011	79.76	79.76	78.89	78.91	3,578,562	-0.99(-1.24%)
Aug 10, 2011	79.63	79.93	79.55	79.90	1,519,450	+0.65(+0.81%)
Aug 09, 2011	79.13	79.78	78.68	79.25	2,263,975	+0.46(+0.59%)
Aug 08, 2011	78.85	78.94	78.73	78.79	2,851,063	+0.04(+0.05%)
Aug 05, 2011	79.06	79.27	78.66	78.75	3,010,773	-0.52(-0.66%)
Aug 04, 2011	78.94	79.35	78.91	79.28	2,185,605	+0.42(+0.53%)
Aug 03, 2011	78.86	79.04	78.80	78.86	1,705,565	+0.08(+0.10%)
Aug 02, 2011	78.57	78.84	78.46	78.78	1,392,821	+0.34(+0.43%)
Aug 01, 2011	78.24	78.52	78.22	78.44	1,792,592	+0.19(+0.24%)
Jul 29, 2011	77.99	78.28	77.92	78.25	1,935,911	+0.46(+0.60%)
Jul 28, 2011	77.78	77.87	77.71	77.79	1,138,238	+0.15(+0.20%)
Jul 27, 2011	77.66	77.78	77.60	77.64	915,852	-0.13(-0.17%)
Jul 26, 2011	77.67	77.84	77.64	77.77	1,150,209	+0.18(+0.23%)
Jul 25, 2011	77.62	77.82	77.57	77.59	1,595,736	-0.22(-0.29%)
Jul 22, 2011	77.73	77.83	77.73	77.81	632,976	+0.17(+0.21%)
Jul 21, 2011	77.68	77.75	77.54	77.65	1,159,800	-0.12(-0.16%)
Jul 20, 2011	77.81	77.99	77.75	77.77	866,941	-0.12(-0.16%)
Jul 19, 2011	77.68	77.89	77.65	77.89	1,078,157	+0.17(+0.21%)
Jul 18, 2011	77.83	77.88	77.69	77.73	886,704	-0.12(-0.15%)
Jul 15, 2011	77.70	77.91	77.65	77.84	882,154	+0.11(+0.14%)
Jul 14, 2011	77.83	77.93	77.72	77.73	2,384,098	-0.20(-0.25%)
Jul 13, 2011	77.73	77.94	77.70	77.93	702,580	+0.15(+0.20%)
Jul 12, 2011	77.78	77.86	77.65	77.78	941,893	+0.07(+0.08%)
Jul 11, 2011	77.66	77.81	77.60	77.71	850,011	+0.21(+0.27%)
Jul 08, 2011	77.40	77.56	77.36	77.50	943,686	+0.40(+0.52%)
Jul 07, 2011	77.15	77.18	77.02	77.10	1,785,177	-0.22(-0.28%)
Jul 06, 2011	77.26	77.36	77.24	77.32	1,070,507	+0.04(+0.06%)
Jul 05, 2011	77.10	77.28	77.10	77.28	1,104,548	+0.30(+0.39%)
Jul 01, 2011	77.05	77.08	76.89	76.98	2,723,000	+0.02(+0.03%)
Jun 30, 2011	77.10	77.13	76.76	76.96	1,795,787	-0.01(-0.02%)
Jun 29, 2011	77.22	77.26	76.96	76.97	3,512,000	-0.23(-0.30%)
Jun 28, 2011	77.44	77.47	77.16	77.20	1,439,354	-0.31(-0.40%)
Jun 27, 2011	77.70	77.70	77.45	77.51	1,012,658	-0.14(-0.18%)
Jun 24, 2011	77.65	77.83	77.64	77.65	1,502,577	-0.07(-0.09%)
Jun 23, 2011	77.59	77.77	77.58	77.72	3,791,320	+0.25(+0.33%)
Jun 22, 2011	77.56	77.60	77.37	77.47	1,244,330	-0.05(-0.07%)
Jun 21, 2011	77.37	77.53	77.36	77.52	1,113,808	+0.07(+0.09%)
Jun 20, 2011	77.46	77.50	77.42	77.45	1,014,466	-0.10(-0.13%)
Jun 17, 2011	77.51	77.56	77.44	77.55	1,207,629	+0.07(+0.09%)
Jun 16, 2011	77.48	77.61	77.46	77.48	1,679,789	+0.05(+0.07%)
Jun 15, 2011	77.25	77.53	77.24	77.43	1,934,296	+0.19(+0.25%)
Jun 14, 2011	77.30	77.32	77.21	77.23	1,661,872	-0.21(-0.27%)
Jun 13, 2011	77.45	77.63	77.42	77.44	1,325,041	-0.10(-0.13%)
Jun 10, 2011	77.58	77.66	77.48	77.54	1,608,525	-0.01(-0.01%)
Jun 09, 2011	77.63	77.67	77.48	77.55	896,078	-0.12(-0.15%)
Jun 08, 2011	77.58	77.77	77.58	77.66	1,504,168	+0.06(+0.08%)
Jun 07, 2011	77.39	77.60	77.32	77.60	2,408,616	+0.16(+0.21%)
Jun 06, 2011	77.36	77.50	77.32	77.44	2,047,744	+0.01(+0.02%)
Jun 03, 2011	77.58	77.58	77.32	77.43	723,861	+0.37(+0.48%)
May 24, 2011	76.99	77.09	76.95	77.06	805,381	+0.03(+0.04%)
May 23, 2011	77.11	77.13	77.02	77.03	1,117,736	+0.06(+0.08%)
May 20, 2011	76.93	77.00	76.91	76.96	1,304,652	+0.07(+0.09%)
May 19, 2011	76.74	76.93	76.71	76.89	879,669	-0.06(-0.07%)
May 18, 2011	77.04	77.08	76.90	76.95	859,933	-0.12(-0.16%)
May 17, 2011	77.05	77.12	77.01	77.07	950,101	+0.09(+0.11%)
May 16, 2011	76.83	77.02	76.81	76.98	942,555	+0.17(+0.22%)
May 13, 2011	76.78	76.96	76.75	76.82	434,887	+0.12(+0.16%)
May 12, 2011	76.77	76.83	76.63	76.70	1,066,362	-0.12(-0.15%)
May 11, 2011	76.61	76.83	76.61	76.81	749,156	+0.14(+0.18%)
May 10, 2011	76.72	76.77	76.64	76.67	745,215	-0.14(-0.18%)
May 09, 2011	76.75	76.84	76.75	76.81	698,127	+0.09(+0.11%)
May 06, 2011	76.65	76.85	76.56	76.72	1,419,408	-0.01(-0.01%)
May 05, 2011	76.59	76.76	76.59	76.73	1,113,012	+0.17(+0.23%)
May 04, 2011	76.41	76.57	76.41	76.56	916,348	+0.14(+0.19%)
May 03, 2011	76.44	76.49	76.36	76.42	675,895	+0.02(+0.03%)

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