Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	21.55	21.65	21.44	21.49	4,339,377	-0.24(-1.09%)
Apr 27, 2012	21.83	21.85	21.64	21.73	7,025,926	+0.48(+2.28%)
Apr 26, 2012	21.04	21.29	20.97	21.25	7,819,351	+0.11(+0.51%)
Apr 25, 2012	21.21	21.27	21.04	21.14	5,844,733	+0.16(+0.75%)
Apr 24, 2012	20.80	21.10	20.77	20.98	11,491,959	+0.36(+1.75%)
Apr 23, 2012	20.60	20.70	20.44	20.62	12,561,325	-0.38(-1.80%)
Apr 20, 2012	20.84	21.12	20.83	21.00	14,192,779	+0.28(+1.36%)
Apr 19, 2012	20.84	20.91	20.55	20.72	17,465,256	-0.10(-0.49%)
Apr 18, 2012	20.74	20.97	20.73	20.82	11,373,416	-0.15(-0.72%)
Apr 17, 2012	20.73	20.99	20.64	20.97	6,049,737	+0.39(+1.92%)
Apr 16, 2012	20.58	20.63	20.44	20.58	5,610,251	+0.19(+0.94%)
Apr 13, 2012	20.40	20.45	20.26	20.39	7,589,649	-0.34(-1.66%)
Apr 12, 2012	20.54	20.83	20.54	20.73	7,045,181	+0.17(+0.85%)
Apr 11, 2012	20.61	20.67	20.42	20.55	12,329,483	+0.17(+0.83%)
Apr 10, 2012	20.74	20.83	20.34	20.39	8,404,594	-0.46(-2.19%)
Apr 09, 2012	20.58	20.94	20.58	20.84	4,926,194	-0.06(-0.30%)
Apr 05, 2012	20.85	20.92	20.74	20.90	8,645,964	-0.31(-1.46%)
Apr 04, 2012	21.29	21.35	21.08	21.21	8,377,061	-0.52(-2.38%)
Apr 03, 2012	22.10	22.11	21.66	21.73	4,027,966	-0.39(-1.76%)
Apr 02, 2012	21.75	22.14	21.72	22.12	4,045,620	+0.30(+1.39%)
Mar 30, 2012	21.86	21.93	21.75	21.82	4,164,481	+0.20(+0.94%)
Mar 29, 2012	21.62	21.66	21.44	21.61	4,372,446	-0.23(-1.03%)
Mar 28, 2012	22.06	22.06	21.71	21.84	6,336,829	-0.01(-0.03%)
Mar 27, 2012	21.90	21.90	21.75	21.84	4,144,044	-0.01(-0.05%)
Mar 26, 2012	21.65	21.89	21.62	21.85	3,736,571	+0.29(+1.33%)
Mar 23, 2012	21.46	21.60	21.35	21.57	2,286,277	-0.08(-0.36%)
Mar 22, 2012	21.52	21.71	21.51	21.65	3,303,896	-0.13(-0.59%)
Mar 21, 2012	21.88	21.94	21.70	21.78	3,241,206	-0.05(-0.21%)
Mar 20, 2012	21.71	21.87	21.70	21.82	2,929,445	-0.09(-0.41%)
Mar 19, 2012	21.75	22.01	21.74	21.91	2,287,126	+0.01(+0.05%)
Mar 16, 2012	21.94	21.98	21.85	21.90	3,354,983	+0.04(+0.18%)
Mar 15, 2012	21.79	21.86	21.61	21.86	3,248,846	+0.18(+0.83%)
Mar 14, 2012	21.76	21.82	21.63	21.68	3,246,149	-0.08(-0.36%)
Mar 13, 2012	21.56	21.78	21.53	21.76	2,810,119	+0.26(+1.20%)
Mar 12, 2012	21.44	21.53	21.36	21.50	1,741,369	+0.06(+0.29%)
Mar 09, 2012	21.38	21.53	21.34	21.44	2,431,690	-0.04(-0.18%)
Mar 08, 2012	21.24	21.52	21.20	21.48	4,666,653	+0.53(+2.53%)
Mar 07, 2012	20.93	21.02	20.84	20.95	4,161,535	+0.15(+0.70%)
Mar 06, 2012	21.00	21.05	20.77	20.80	8,210,051	-0.60(-2.81%)
Mar 05, 2012	21.47	21.52	21.39	21.40	2,632,895	+0.11(+0.50%)
Mar 02, 2012	21.34	21.40	21.26	21.30	2,652,289	-0.14(-0.66%)
Mar 01, 2012	21.17	21.45	21.16	21.44	6,991,785	+0.59(+2.84%)
Feb 29, 2012	21.18	21.22	20.85	20.85	4,991,183	-0.30(-1.44%)
Feb 28, 2012	21.09	21.24	20.98	21.15	3,728,059	+0.03(+0.16%)
Feb 27, 2012	21.02	21.23	21.00	21.12	2,718,098	-0.18(-0.85%)
Feb 24, 2012	21.28	21.42	21.27	21.30	3,782,572	+0.04(+0.21%)
Feb 23, 2012	21.09	21.26	20.99	21.25	4,829,160	+0.44(+2.14%)
Feb 22, 2012	20.88	21.02	20.80	20.81	5,407,878	-0.19(-0.89%)
Feb 21, 2012	20.97	21.14	20.90	20.99	3,032,263	+0.06(+0.30%)
Feb 17, 2012	20.95	20.97	20.85	20.93	4,287,330	+0.04(+0.19%)
Feb 16, 2012	20.75	20.93	20.69	20.89	4,538,735	+0.10(+0.46%)
Feb 15, 2012	20.88	20.90	20.75	20.80	3,318,628	-0.07(-0.35%)
Feb 14, 2012	21.01	21.06	20.76	20.87	3,696,148	-0.28(-1.33%)
Feb 13, 2012	21.14	21.20	21.03	21.15	2,877,841	+0.19(+0.91%)
Feb 10, 2012	20.85	21.03	20.78	20.96	3,847,635	-0.10(-0.48%)
Feb 09, 2012	21.13	21.13	20.89	21.06	4,992,448	+0.15(+0.73%)
Feb 08, 2012	20.86	21.00	20.68	20.91	11,339,894	-0.23(-1.07%)
Feb 07, 2012	20.89	21.16	20.84	21.13	6,465,657	+0.47(+2.26%)
Feb 06, 2012	20.48	20.72	20.44	20.67	4,957,412	-0.01(-0.05%)
Feb 03, 2012	20.62	20.70	20.52	20.68	6,252,676	+0.02(+0.08%)
Feb 02, 2012	20.71	20.75	20.59	20.66	4,529,781	-0.10(-0.46%)
Feb 01, 2012	20.78	20.98	20.74	20.76	5,773,476	-0.15(-0.70%)
Jan 31, 2012	21.08	21.16	20.81	20.90	5,781,764	+0.06(+0.30%)
Jan 30, 2012	20.78	20.88	20.73	20.84	6,175,405	+0.03(+0.16%)
Jan 27, 2012	20.70	20.82	20.67	20.81	4,057,193	+0.01(+0.03%)
Jan 26, 2012	20.72	20.91	20.64	20.80	5,969,697	+0.17(+0.85%)
Jan 25, 2012	20.35	20.66	20.19	20.63	6,754,251	+0.20(+0.96%)
Jan 24, 2012	20.37	20.43	20.26	20.43	5,160,758	+0.16(+0.78%)
Jan 23, 2012	20.26	20.41	20.24	20.27	4,847,646	-0.03(-0.17%)
Jan 20, 2012	20.19	20.32	20.19	20.31	9,282,754	-0.06(-0.30%)
Jan 19, 2012	20.39	20.40	20.21	20.37	8,413,468	-0.10(-0.47%)
Jan 18, 2012	20.33	20.50	20.29	20.46	7,963,003	+0.33(+1.62%)
Jan 17, 2012	20.06	20.26	20.01	20.14	7,337,186	+0.25(+1.27%)
Jan 13, 2012	19.87	19.92	19.66	19.88	4,726,357	-0.24(-1.20%)
Jan 12, 2012	20.24	20.28	20.03	20.13	5,605,730	-0.05(-0.25%)
Jan 11, 2012	20.12	20.19	19.97	20.18	6,245,117	-0.24(-1.16%)
Jan 10, 2012	20.45	20.47	20.30	20.41	5,746,112	+0.26(+1.31%)
Jan 09, 2012	20.25	20.25	19.95	20.15	6,689,547	-0.07(-0.36%)
Jan 06, 2012	20.19	20.25	19.90	20.22	19,176,942	+0.11(+0.53%)
Jan 05, 2012	19.90	20.14	19.75	20.12	7,671,338	-0.43(-2.11%)
Jan 04, 2012	20.59	20.64	20.40	20.55	5,228,717	-0.02(-0.11%)
Dec 30, 2011	20.57	20.75	20.53	20.57	3,073,364	+0.05(+0.22%)
Dec 29, 2011	20.24	20.54	20.18	20.53	3,931,264	+0.43(+2.16%)
Dec 28, 2011	20.35	20.37	20.06	20.09	2,582,655	-0.25(-1.24%)
Dec 27, 2011	20.33	20.41	20.28	20.35	2,392,365	-0.08(-0.39%)
Dec 23, 2011	20.28	20.43	20.21	20.42	3,068,989	+0.36(+1.80%)
Dec 21, 2011	19.97	20.09	19.84	20.06	8,488,489	-0.04(-0.20%)
Dec 20, 2011	19.90	20.13	19.84	20.10	7,858,395	+0.51(+2.61%)
Dec 19, 2011	19.63	19.80	19.56	19.59	8,406,627	+0.02(+0.09%)
Dec 16, 2011	19.72	19.77	19.47	19.57	3,878,024	+0.00(+0.00%)
Dec 15, 2011	19.37	19.63	19.30	19.57	6,130,028	+0.56(+2.93%)
Dec 14, 2011	19.10	19.15	18.94	19.02	5,700,816	-0.29(-1.49%)
Dec 13, 2011	19.59	19.75	19.25	19.30	6,694,327	-0.31(-1.58%)
Dec 12, 2011	19.86	19.88	19.51	19.61	3,698,519	-0.39(-1.94%)
Dec 09, 2011	19.90	20.13	19.88	20.00	5,481,508	+0.39(+2.01%)
Dec 08, 2011	19.95	20.04	19.56	19.61	5,594,008	-0.43(-2.16%)
Dec 07, 2011	19.70	20.13	19.63	20.04	17,270,562	+0.34(+1.71%)
Dec 06, 2011	19.49	19.81	19.43	19.70	5,289,588	+0.43(+2.22%)
Dec 05, 2011	19.56	19.57	19.16	19.28	4,484,972	-0.14(-0.73%)
Dec 02, 2011	19.66	19.70	19.41	19.42	4,427,451	-0.33(-1.65%)
Dec 01, 2011	19.87	20.01	19.64	19.74	4,556,556	+0.03(+0.17%)
Nov 30, 2011	19.75	19.90	19.53	19.71	6,968,732	+0.75(+3.98%)
Nov 29, 2011	18.80	19.03	18.71	18.96	9,036,244	+0.16(+0.84%)
Nov 28, 2011	18.74	18.87	18.65	18.80	6,556,271	+0.94(+5.26%)
Nov 25, 2011	17.80	18.09	17.80	17.86	2,739,761	-0.28(-1.52%)
Nov 23, 2011	18.42	18.32	18.07	18.13	6,482,389	-0.29(-1.56%)
Nov 22, 2011	18.60	18.65	18.33	18.42	8,888,059	-0.15(-0.82%)
Nov 21, 2011	18.62	18.66	18.41	18.57	6,354,199	-0.23(-1.20%)
Nov 18, 2011	18.95	19.01	18.76	18.80	4,277,971	+0.06(+0.33%)
Nov 17, 2011	19.08	19.10	18.58	18.74	5,992,492	-0.11(-0.57%)
Nov 16, 2011	18.96	19.11	18.82	18.84	4,601,704	-0.11(-0.59%)
Nov 15, 2011	18.87	19.09	18.81	18.96	4,642,915	-0.05(-0.24%)
Nov 14, 2011	18.99	19.08	18.86	19.00	4,202,551	-0.24(-1.23%)
Nov 11, 2011	18.98	19.39	18.98	19.24	5,982,125	+0.34(+1.82%)
Nov 10, 2011	18.84	18.94	18.61	18.89	7,799,425	+0.39(+2.13%)
Nov 09, 2011	18.78	18.85	18.42	18.50	9,973,556	-1.04(-5.30%)
Nov 08, 2011	19.41	19.59	19.23	19.54	4,629,573	+0.46(+2.39%)
Nov 07, 2011	19.04	19.21	18.89	19.08	9,780,296	-0.13(-0.67%)
Nov 04, 2011	19.59	19.64	19.11	19.21	5,653,700	-0.63(-3.18%)
Nov 03, 2011	19.52	19.93	19.27	19.84	5,876,285	+0.60(+3.10%)
Nov 02, 2011	19.25	19.57	19.20	19.24	13,234,735	+0.10(+0.50%)
Nov 01, 2011	19.22	19.46	19.08	19.15	15,128,359	-0.98(-4.87%)
Oct 31, 2011	20.71	20.84	20.13	20.13	6,620,203	-0.84(-4.00%)
Oct 28, 2011	21.02	21.08	20.85	20.97	3,764,907	-0.14(-0.64%)
Oct 27, 2011	20.99	21.20	20.68	21.10	7,016,834	+1.16(+5.82%)
Oct 26, 2011	20.00	20.01	19.55	19.94	3,694,768	+0.37(+1.87%)
Oct 25, 2011	19.83	19.84	19.55	19.57	5,847,152	-0.70(-3.44%)
Oct 24, 2011	19.74	20.27	19.73	20.27	3,860,856	+0.21(+1.07%)
Oct 21, 2011	19.78	20.07	19.74	20.06	4,001,976	+0.55(+2.83%)
Oct 20, 2011	19.73	19.77	19.24	19.51	5,465,289	+0.11(+0.55%)
Oct 19, 2011	19.48	19.71	19.36	19.40	7,483,602	-0.22(-1.12%)
Oct 18, 2011	19.28	19.76	19.08	19.62	5,367,458	+0.24(+1.25%)
Oct 17, 2011	19.74	19.77	19.33	19.38	5,717,466	-0.56(-2.82%)
Oct 14, 2011	20.01	20.04	19.77	19.94	4,696,841	+0.12(+0.62%)
Oct 13, 2011	19.59	19.82	19.39	19.82	7,362,766	+0.40(+2.06%)
Oct 12, 2011	19.43	19.62	19.29	19.42	5,486,294	+0.21(+1.08%)
Oct 11, 2011	19.05	19.25	18.97	19.21	4,077,524	-0.06(-0.32%)
Oct 10, 2011	19.20	19.33	19.11	19.27	5,848,919	+0.75(+4.07%)
Oct 07, 2011	18.72	18.75	18.49	18.52	6,595,964	-0.25(-1.35%)
Oct 06, 2011	18.62	18.78	18.61	18.77	5,707,933	+0.30(+1.62%)
Oct 05, 2011	18.21	18.48	18.03	18.47	8,454,644	-0.01(-0.06%)
Oct 04, 2011	18.12	18.49	17.81	18.48	11,411,042	+0.53(+2.98%)
Oct 03, 2011	18.30	18.50	17.94	17.95	6,198,363	-0.52(-2.80%)
Sep 30, 2011	18.67	18.78	18.47	18.47	5,285,245	-0.64(-3.33%)
Sep 29, 2011	19.28	19.30	18.79	19.10	6,536,565	+0.50(+2.66%)
Sep 28, 2011	19.06	19.16	18.56	18.61	5,022,344	-0.17(-0.90%)
Sep 27, 2011	18.69	19.07	18.61	18.78	8,917,630	+0.42(+2.27%)
Sep 26, 2011	18.21	18.38	17.93	18.36	5,930,875	+0.40(+2.23%)
Sep 23, 2011	17.64	17.99	17.57	17.96	7,750,842	+0.23(+1.27%)
Sep 22, 2011	17.49	17.82	17.45	17.73	11,534,847	-0.40(-2.20%)
Sep 21, 2011	18.63	18.71	18.13	18.13	7,227,421	-0.59(-3.13%)
Sep 20, 2011	18.75	18.98	18.53	18.72	6,595,587	+0.20(+1.06%)
Sep 19, 2011	18.16	18.59	18.11	18.52	12,466,831	-0.37(-1.97%)
Sep 16, 2011	19.01	19.08	18.60	18.89	5,792,313	-0.02(-0.09%)
Sep 15, 2011	18.99	19.02	18.75	18.91	6,330,230	+0.41(+2.22%)
Sep 14, 2011	18.31	18.65	17.90	18.50	9,082,916	+0.34(+1.89%)
Sep 13, 2011	17.91	18.22	17.88	18.16	9,240,997	+0.03(+0.19%)
Sep 12, 2011	17.81	18.13	17.73	18.12	15,297,280	-0.29(-1.56%)
Sep 09, 2011	18.67	18.82	18.38	18.41	11,520,859	-0.79(-4.11%)
Sep 08, 2011	19.43	19.69	19.15	19.20	8,960,668	-0.74(-3.70%)
Sep 07, 2011	19.69	19.93	19.60	19.93	5,071,419	+0.38(+1.93%)
Sep 06, 2011	19.25	19.60	19.15	19.56	4,989,336	-0.17(-0.88%)
Sep 02, 2011	19.94	20.02	19.67	19.73	6,682,063	-0.73(-3.55%)
Sep 01, 2011	20.62	20.87	20.42	20.46	4,729,149	-0.13(-0.63%)
Aug 31, 2011	20.52	20.71	20.41	20.59	5,506,119	+0.28(+1.36%)
Aug 30, 2011	20.10	20.41	19.96	20.31	5,019,722	-0.22(-1.07%)
Aug 29, 2011	20.38	20.55	20.38	20.53	3,619,965	+0.33(+1.62%)
Aug 26, 2011	19.82	20.28	19.55	20.21	4,897,529	+0.10(+0.50%)
Aug 25, 2011	20.41	20.50	20.00	20.10	4,571,075	-0.52(-2.54%)
Aug 24, 2011	20.51	20.78	20.42	20.63	4,664,733	-0.02(-0.08%)
Aug 23, 2011	20.19	20.64	20.06	20.64	9,411,920	+0.95(+4.80%)
Aug 22, 2011	20.22	20.22	19.65	19.70	7,114,592	+0.51(+2.64%)
Aug 19, 2011	19.17	19.62	19.15	19.19	6,843,608	-0.32(-1.64%)
Aug 18, 2011	19.84	19.84	19.36	19.51	10,952,077	-0.75(-3.72%)
Aug 17, 2011	20.38	20.51	20.06	20.27	9,179,661	+0.59(+2.97%)
Aug 16, 2011	19.63	19.91	19.48	19.68	7,788,780	-0.14(-0.71%)
Aug 15, 2011	19.71	19.84	19.61	19.82	6,546,456	+0.45(+2.33%)
Aug 12, 2011	19.28	19.54	19.01	19.37	11,037,667	+0.87(+4.68%)
Aug 11, 2011	17.44	18.67	17.44	18.51	13,919,102	+0.73(+4.12%)
Aug 10, 2011	18.67	18.75	17.62	17.77	26,827,950	-1.43(-7.45%)
Aug 09, 2011	19.41	19.27	18.12	19.20	14,091,357	+0.61(+3.27%)
Aug 08, 2011	19.41	19.63	18.58	18.60	12,276,387	-1.54(-7.63%)
Aug 05, 2011	20.37	20.40	19.46	20.13	15,001,371	+0.29(+1.45%)
Aug 04, 2011	20.58	20.70	19.84	19.84	15,278,729	-1.28(-6.08%)
Aug 03, 2011	21.13	21.17	20.73	21.13	8,138,069	+0.33(+1.60%)
Aug 02, 2011	21.18	21.37	20.79	20.80	5,679,635	-0.57(-2.69%)
Aug 01, 2011	21.96	21.98	21.06	21.37	7,632,239	-0.44(-2.04%)
Jul 29, 2011	21.86	22.20	21.75	21.82	5,053,004	-0.12(-0.56%)
Jul 28, 2011	21.77	22.11	21.70	21.94	4,875,059	+0.42(+1.96%)
Jul 27, 2011	22.15	22.19	21.51	21.52	5,189,969	-0.86(-3.82%)
Jul 26, 2011	22.46	22.49	22.33	22.37	4,738,872	+0.00(+0.00%)
Jul 25, 2011	22.52	22.53	22.31	22.37	4,107,193	+0.03(+0.15%)
Jul 22, 2011	22.39	22.43	22.32	22.34	4,614,510	-0.01(-0.05%)
Jul 21, 2011	22.23	22.44	22.13	22.35	6,530,030	+0.33(+1.51%)
Jul 20, 2011	21.93	22.16	21.87	22.02	8,869,977	+0.16(+0.72%)
Jul 19, 2011	21.62	21.91	21.61	21.86	6,241,942	+0.26(+1.23%)
Jul 18, 2011	21.66	21.73	21.38	21.60	6,797,828	-0.48(-2.17%)
Jul 15, 2011	22.09	22.16	21.92	22.07	9,223,336	+0.29(+1.34%)
Jul 14, 2011	21.92	22.03	21.69	21.78	9,015,855	+0.01(+0.05%)
Jul 13, 2011	21.53	21.98	21.52	21.77	12,163,347	+0.33(+1.52%)
Jul 12, 2011	21.17	21.67	21.17	21.44	10,558,001	-0.15(-0.70%)
Jul 11, 2011	21.56	21.73	21.44	21.60	13,644,334	-0.79(-3.55%)
Jul 08, 2011	22.41	22.58	22.26	22.39	6,231,510	+0.07(+0.33%)
Jul 07, 2011	22.75	22.85	22.14	22.32	14,535,317	-0.25(-1.10%)
Jul 06, 2011	22.45	22.64	22.39	22.56	5,355,764	+0.00(+0.00%)
Jul 05, 2011	22.51	22.66	22.47	22.56	4,576,399	-0.18(-0.79%)
Jul 01, 2011	22.54	22.83	22.48	22.74	5,482,162	+0.13(+0.57%)
Jun 30, 2011	22.27	22.65	22.24	22.61	5,097,116	+0.51(+2.32%)
Jun 29, 2011	22.04	22.16	21.94	22.10	3,815,695	+0.34(+1.55%)
Jun 28, 2011	21.60	21.84	21.56	21.76	3,967,052	+0.56(+2.66%)
Jun 27, 2011	20.95	21.26	20.93	21.20	3,902,398	+0.28(+1.32%)
Jun 24, 2011	21.22	21.22	20.85	20.93	3,108,881	-0.29(-1.35%)
Jun 23, 2011	20.87	21.22	20.70	21.21	7,196,743	-0.11(-0.50%)
Jun 22, 2011	21.38	21.55	21.31	21.32	4,956,572	+0.05(+0.24%)
Jun 21, 2011	21.16	21.36	21.09	21.27	3,127,430	+0.26(+1.23%)
Jun 20, 2011	21.04	21.08	20.97	21.01	3,506,986	-0.01(-0.03%)
Jun 17, 2011	21.09	21.19	20.95	21.02	7,545,759	+0.43(+2.08%)
Jun 16, 2011	20.50	20.70	20.47	20.59	8,753,405	-0.08(-0.41%)
Jun 15, 2011	20.96	21.03	20.53	20.67	15,644,424	-0.94(-4.35%)
Jun 14, 2011	21.40	21.72	21.39	21.61	5,122,009	+0.50(+2.35%)
Jun 13, 2011	21.07	21.22	21.02	21.12	3,433,832	+0.25(+1.21%)
Jun 10, 2011	21.18	21.20	20.77	20.86	6,908,174	-0.53(-2.47%)
Jun 09, 2011	21.43	21.61	21.35	21.39	4,462,698	-0.06(-0.26%)
Jun 08, 2011	21.65	21.67	21.39	21.45	5,428,476	-0.11(-0.52%)
Jun 07, 2011	21.76	21.76	21.55	21.56	3,056,074	+0.16(+0.74%)
Jun 06, 2011	21.56	21.63	21.38	21.40	2,710,811	-0.20(-0.91%)
Jun 03, 2011	21.36	21.71	21.32	21.60	4,236,801	+0.15(+0.71%)
May 24, 2011	21.41	21.57	21.38	21.45	2,960,706	+0.26(+1.22%)
May 23, 2011	21.09	21.29	21.09	21.19	8,967,744	-0.37(-1.70%)
May 20, 2011	21.83	21.89	21.53	21.56	5,326,316	-0.53(-2.40%)
May 19, 2011	21.88	22.11	21.86	22.09	5,976,226	+0.36(+1.66%)
May 18, 2011	21.32	21.83	21.26	21.73	8,984,981	+0.37(+1.74%)
May 17, 2011	21.20	21.36	21.06	21.35	5,277,282	-0.12(-0.55%)
May 16, 2011	21.46	21.63	21.36	21.47	10,564,626	+0.02(+0.10%)
May 13, 2011	21.57	21.60	21.23	21.45	7,852,638	-0.10(-0.44%)
May 12, 2011	21.25	21.65	21.15	21.55	7,941,859	+0.08(+0.37%)
May 11, 2011	21.39	21.52	21.33	21.47	9,393,653	+0.23(+1.07%)
May 10, 2011	21.33	21.33	21.19	21.24	4,091,790	-0.10(-0.48%)
May 09, 2011	21.23	21.37	21.11	21.34	4,788,819	+0.06(+0.30%)
May 06, 2011	21.47	21.52	21.19	21.28	7,459,913	+0.13(+0.64%)
May 05, 2011	21.27	21.36	21.10	21.14	8,519,297	-0.68(-3.13%)
May 04, 2011	21.86	21.92	21.60	21.83	6,610,178	+0.29(+1.32%)
May 03, 2011	21.38	21.63	21.38	21.54	4,652,111	+0.08(+0.38%)

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