Date	Open	High	Low	Close	Volume	Change (%)
Jul 31, 2012	25.23	25.43	25.11	25.13	3,945,074	+0.17(+0.69%)
Jul 30, 2012	24.65	25.03	24.60	24.96	3,717,731	-0.07(-0.30%)
Jul 27, 2012	24.76	25.14	24.65	25.03	6,711,512	+0.83(+3.42%)
Jul 26, 2012	23.99	24.26	23.97	24.20	9,003,784	+0.80(+3.41%)
Jul 25, 2012	23.14	23.40	23.05	23.40	7,197,645	+0.55(+2.41%)
Jul 24, 2012	23.11	23.13	22.64	22.85	6,007,233	-0.36(-1.57%)
Jul 23, 2012	22.98	23.26	22.89	23.22	4,912,802	-0.33(-1.39%)
Jul 20, 2012	23.38	23.58	23.35	23.55	8,348,027	-0.34(-1.42%)
Jul 19, 2012	23.92	23.96	23.79	23.89	5,686,735	+0.02(+0.10%)
Jul 18, 2012	23.53	23.94	23.50	23.86	7,682,717	+0.59(+2.52%)
Jul 17, 2012	23.21	23.30	22.93	23.27	2,889,475	+0.15(+0.67%)
Jul 16, 2012	22.96	23.19	22.89	23.12	2,665,861	+0.18(+0.78%)
Jul 13, 2012	22.62	22.98	22.61	22.94	1,999,907	+0.18(+0.79%)
Jul 12, 2012	22.73	22.83	22.59	22.76	2,635,754	-0.06(-0.27%)
Jul 11, 2012	22.85	22.90	22.64	22.82	2,742,138	+0.06(+0.27%)
Jul 10, 2012	23.03	23.05	22.71	22.76	3,630,782	-0.28(-1.23%)
Jul 09, 2012	22.90	23.05	22.81	23.05	3,333,624	+0.23(+1.03%)
Jul 06, 2012	22.96	22.98	22.70	22.81	2,926,049	-0.09(-0.41%)
Jul 05, 2012	23.11	23.14	22.88	22.90	4,720,396	-0.74(-3.14%)
Jul 03, 2012	23.52	23.75	23.46	23.65	8,743,937	+0.14(+0.58%)
Jul 02, 2012	23.37	23.53	23.21	23.51	11,055,764	+0.15(+0.64%)
Jun 29, 2012	23.23	23.37	23.08	23.36	15,186,175	+1.00(+4.45%)
Jun 28, 2012	22.24	22.37	22.10	22.37	7,971,243	+0.05(+0.22%)
Jun 27, 2012	22.31	22.48	22.20	22.32	5,146,818	+0.04(+0.19%)
Jun 26, 2012	22.07	22.36	22.01	22.27	4,210,004	+0.15(+0.67%)
Jun 25, 2012	22.05	22.19	21.95	22.12	2,483,858	-0.34(-1.51%)
Jun 22, 2012	22.56	22.57	22.41	22.46	7,457,796	+0.16(+0.72%)
Jun 21, 2012	22.70	22.77	22.27	22.30	5,203,579	-0.24(-1.07%)
Jun 20, 2012	22.43	22.68	22.35	22.54	5,160,830	-0.12(-0.52%)
Jun 19, 2012	22.27	22.74	22.20	22.66	7,352,010	+0.73(+3.33%)
Jun 18, 2012	21.86	22.01	21.78	21.93	3,532,022	-0.01(-0.06%)
Jun 15, 2012	21.91	21.97	21.85	21.94	3,554,615	+0.26(+1.20%)
Jun 14, 2012	21.68	21.82	21.60	21.68	3,316,712	+0.19(+0.89%)
Jun 13, 2012	21.60	21.70	21.44	21.49	4,590,752	+0.00(+0.00%)
Jun 12, 2012	21.33	21.52	21.12	21.49	4,963,272	+0.35(+1.67%)
Jun 11, 2012	21.48	21.48	21.14	21.14	2,950,296	-0.15(-0.70%)
Jun 08, 2012	21.00	21.29	20.97	21.29	2,339,524	+0.20(+0.94%)
Jun 07, 2012	21.41	21.41	21.07	21.09	3,267,596	-0.17(-0.81%)
Jun 06, 2012	21.10	21.28	21.00	21.26	4,824,696	+0.27(+1.27%)
Jun 05, 2012	20.86	21.02	20.86	21.00	4,317,372	+0.09(+0.44%)
Jun 04, 2012	20.91	20.96	20.70	20.91	4,917,643	+0.23(+1.11%)
Jun 01, 2012	20.68	20.82	20.42	20.68	7,490,462	-0.36(-1.73%)
May 31, 2012	21.05	21.17	20.83	21.04	3,579,276	+0.17(+0.80%)
May 30, 2012	20.98	21.06	20.83	20.87	6,081,727	-0.46(-2.17%)
May 29, 2012	21.44	21.54	21.26	21.34	3,459,546	+0.12(+0.58%)
May 25, 2012	21.09	21.30	21.06	21.21	6,006,218	+0.05(+0.23%)
May 24, 2012	21.17	21.28	21.01	21.17	5,008,089	+0.08(+0.38%)
May 23, 2012	21.25	21.33	20.87	21.09	6,303,624	-0.51(-2.35%)
May 22, 2012	21.62	21.76	21.47	21.59	7,556,279	+0.09(+0.40%)
May 21, 2012	21.34	21.53	21.28	21.51	10,253,089	+0.36(+1.73%)
May 18, 2012	21.31	21.33	21.07	21.14	6,739,685	+0.01(+0.06%)
May 17, 2012	21.20	21.33	21.10	21.13	15,033,363	-0.07(-0.35%)
May 16, 2012	21.38	21.51	21.17	21.20	20,184,848	-0.19(-0.90%)
May 15, 2012	21.51	21.62	21.34	21.39	5,615,850	-0.32(-1.48%)
May 14, 2012	21.75	21.88	21.70	21.72	4,582,157	-0.49(-2.23%)
May 11, 2012	22.02	22.48	22.01	22.21	8,213,772	+0.08(+0.36%)
May 10, 2012	22.35	22.47	22.12	22.13	5,658,006	-0.08(-0.36%)
May 09, 2012	22.07	22.35	22.01	22.21	4,139,330	-0.13(-0.58%)
May 08, 2012	22.37	22.44	22.09	22.34	4,437,993	-0.13(-0.58%)
May 07, 2012	22.19	22.52	22.17	22.47	4,907,355	+0.14(+0.63%)
May 04, 2012	22.55	22.68	22.33	22.33	10,452,560	-0.42(-1.84%)
May 03, 2012	22.85	22.89	22.67	22.75	3,866,549	+0.01(+0.05%)
May 02, 2012	22.68	22.74	22.55	22.74	5,701,423	+0.09(+0.39%)
May 01, 2012	22.62	22.69	22.54	22.65	2,912,935	+0.09(+0.42%)
Apr 30, 2012	22.61	22.72	22.50	22.55	4,135,717	-0.25(-1.09%)
Apr 27, 2012	22.90	22.93	22.71	22.80	6,696,180	+0.51(+2.28%)
Apr 26, 2012	22.08	22.34	22.00	22.29	7,452,367	+0.11(+0.51%)
Apr 25, 2012	22.26	22.32	22.08	22.18	5,570,423	+0.17(+0.75%)
Apr 24, 2012	21.82	22.14	21.80	22.02	10,952,608	+0.38(+1.75%)
Apr 23, 2012	21.61	21.71	21.44	21.64	11,971,787	-0.40(-1.80%)
Apr 20, 2012	21.86	22.16	21.86	22.03	13,526,671	+0.30(+1.36%)
Apr 19, 2012	21.87	21.94	21.56	21.74	16,645,562	-0.11(-0.49%)
Apr 18, 2012	21.76	22.00	21.75	21.84	10,839,629	-0.16(-0.72%)
Apr 17, 2012	21.76	22.03	21.66	22.00	5,765,806	+0.41(+1.92%)
Apr 16, 2012	21.60	21.65	21.45	21.59	5,346,946	+0.20(+0.94%)
Apr 13, 2012	21.41	21.45	21.25	21.39	7,233,445	-0.36(-1.66%)
Apr 12, 2012	21.55	21.86	21.55	21.75	6,714,531	+0.18(+0.85%)
Apr 11, 2012	21.62	21.69	21.43	21.57	11,750,825	+0.18(+0.83%)
Apr 10, 2012	21.76	21.86	21.34	21.39	8,010,142	-0.48(-2.19%)
Apr 09, 2012	21.59	21.97	21.59	21.87	4,694,994	-0.07(-0.30%)
Apr 05, 2012	21.87	21.95	21.76	21.93	8,240,184	-0.32(-1.46%)
Apr 04, 2012	22.34	22.41	22.11	22.26	7,983,902	-0.54(-2.38%)
Apr 03, 2012	23.18	23.20	22.72	22.80	3,838,922	-0.41(-1.76%)
Apr 02, 2012	22.82	23.23	22.79	23.21	3,855,748	+0.32(+1.39%)
Mar 30, 2012	22.94	23.01	22.82	22.89	3,969,030	+0.21(+0.94%)
Mar 29, 2012	22.69	22.72	22.50	22.68	4,167,234	-0.24(-1.03%)
Mar 28, 2012	23.15	23.15	22.78	22.91	6,039,424	-0.01(-0.03%)
Mar 27, 2012	22.98	22.98	22.82	22.92	3,949,552	-0.01(-0.05%)
Mar 26, 2012	22.71	22.97	22.68	22.93	3,561,203	+0.30(+1.33%)
Mar 23, 2012	22.52	22.66	22.40	22.63	2,178,976	-0.08(-0.36%)
Mar 22, 2012	22.58	22.78	22.56	22.71	3,148,835	-0.14(-0.59%)
Mar 21, 2012	22.96	23.02	22.77	22.85	3,089,087	-0.05(-0.21%)
Mar 20, 2012	22.78	22.95	22.77	22.90	2,791,958	-0.09(-0.41%)
Mar 19, 2012	22.82	23.09	22.81	22.99	2,179,785	+0.01(+0.05%)
Mar 16, 2012	23.03	23.07	22.93	22.98	3,197,524	+0.04(+0.18%)
Mar 15, 2012	22.86	22.94	22.67	22.94	3,096,368	+0.19(+0.83%)
Mar 14, 2012	22.83	22.89	22.69	22.75	3,093,798	-0.08(-0.36%)
Mar 13, 2012	22.62	22.85	22.59	22.83	2,678,232	+0.27(+1.20%)
Mar 12, 2012	22.49	22.59	22.42	22.56	1,659,641	+0.06(+0.29%)
Mar 09, 2012	22.43	22.59	22.39	22.49	2,317,564	-0.04(-0.18%)
Mar 08, 2012	22.29	22.58	22.24	22.54	4,447,634	+0.56(+2.53%)
Mar 07, 2012	21.96	22.05	21.86	21.98	3,966,222	+0.15(+0.70%)
Mar 06, 2012	22.03	22.09	21.80	21.83	7,824,730	-0.63(-2.81%)
Mar 05, 2012	22.53	22.58	22.44	22.46	2,509,326	+0.11(+0.50%)
Mar 02, 2012	22.39	22.46	22.30	22.35	2,527,809	-0.15(-0.66%)
Mar 01, 2012	22.21	22.51	22.20	22.49	6,663,640	+0.62(+2.84%)
Feb 29, 2012	22.23	22.26	21.87	21.87	4,756,932	-0.32(-1.44%)
Feb 28, 2012	22.13	22.29	22.02	22.19	3,553,090	+0.04(+0.16%)
Feb 27, 2012	22.05	22.28	22.03	22.16	2,590,529	-0.19(-0.85%)
Feb 24, 2012	22.33	22.47	22.32	22.35	3,605,046	+0.05(+0.21%)
Feb 23, 2012	22.13	22.30	22.02	22.30	4,602,514	+0.47(+2.14%)
Feb 22, 2012	21.90	22.06	21.82	21.83	5,154,071	-0.19(-0.88%)
Feb 21, 2012	22.00	22.18	21.93	22.03	2,889,950	+0.07(+0.30%)
Feb 17, 2012	21.98	22.00	21.88	21.96	4,086,113	+0.04(+0.19%)
Feb 16, 2012	21.77	21.96	21.71	21.92	4,325,719	+0.10(+0.46%)
Feb 15, 2012	21.91	21.93	21.77	21.82	3,162,875	-0.08(-0.35%)
Feb 14, 2012	22.04	22.09	21.79	21.90	3,522,677	-0.30(-1.33%)
Feb 13, 2012	22.18	22.25	22.07	22.19	2,742,776	+0.20(+0.91%)
Feb 10, 2012	21.87	22.07	21.80	21.99	3,667,055	-0.11(-0.48%)
Feb 09, 2012	22.17	22.17	21.92	22.10	4,758,138	+0.16(+0.73%)
Feb 08, 2012	21.89	22.03	21.70	21.94	10,807,680	-0.24(-1.07%)
Feb 07, 2012	21.92	22.20	21.86	22.17	6,162,205	+0.49(+2.26%)
Feb 06, 2012	21.48	21.74	21.45	21.68	4,724,747	-0.01(-0.05%)
Feb 03, 2012	21.63	21.72	21.53	21.70	5,959,220	+0.02(+0.08%)
Feb 02, 2012	21.73	21.77	21.60	21.68	4,317,185	-0.10(-0.46%)
Feb 01, 2012	21.80	22.02	21.76	21.78	5,502,510	-0.15(-0.70%)
Jan 31, 2012	22.12	22.20	21.84	21.93	5,510,409	+0.07(+0.30%)
Jan 30, 2012	21.80	21.90	21.76	21.87	5,885,576	+0.04(+0.16%)
Jan 27, 2012	21.72	21.85	21.68	21.83	3,866,777	+0.01(+0.03%)
Jan 26, 2012	21.74	21.94	21.66	21.83	5,689,522	+0.18(+0.85%)
Jan 25, 2012	21.35	21.67	21.19	21.64	6,437,255	+0.21(+0.96%)
Jan 24, 2012	21.38	21.44	21.25	21.44	4,918,549	+0.17(+0.78%)
Jan 23, 2012	21.25	21.42	21.24	21.27	4,620,132	-0.04(-0.17%)
Jan 20, 2012	21.18	21.32	21.18	21.31	8,847,087	-0.06(-0.30%)
Jan 19, 2012	21.39	21.41	21.21	21.37	8,018,600	-0.10(-0.47%)
Jan 18, 2012	21.34	21.51	21.29	21.47	7,589,277	+0.34(+1.62%)
Jan 17, 2012	21.05	21.26	20.99	21.13	6,992,831	+0.27(+1.27%)
Jan 13, 2012	20.85	20.90	20.63	20.86	4,504,535	-0.25(-1.20%)
Jan 12, 2012	21.24	21.28	21.01	21.12	5,342,637	-0.05(-0.25%)
Jan 11, 2012	21.11	21.18	20.95	21.17	5,952,015	-0.25(-1.16%)
Jan 10, 2012	21.45	21.48	21.30	21.42	5,476,431	+0.28(+1.31%)
Jan 09, 2012	21.25	21.25	20.93	21.14	6,375,587	-0.08(-0.36%)
Jan 06, 2012	21.19	21.25	20.88	21.22	18,276,914	+0.11(+0.53%)
Jan 05, 2012	20.88	21.14	20.73	21.11	7,311,300	-0.45(-2.11%)
Jan 04, 2012	21.61	21.66	21.41	21.56	4,983,318	-0.02(-0.11%)
Dec 30, 2011	21.58	21.77	21.54	21.58	2,929,122	+0.05(+0.22%)
Dec 29, 2011	21.24	21.55	21.18	21.54	3,746,759	+0.45(+2.16%)
Dec 28, 2011	21.35	21.37	21.04	21.08	2,461,444	-0.27(-1.25%)
Dec 27, 2011	21.34	21.41	21.28	21.35	2,280,084	-0.08(-0.39%)
Dec 23, 2011	21.28	21.44	21.20	21.43	2,924,953	+0.38(+1.80%)
Dec 21, 2011	20.96	21.08	20.82	21.05	8,090,099	-0.04(-0.20%)
Dec 20, 2011	20.88	21.12	20.82	21.09	7,489,578	+0.54(+2.61%)
Dec 19, 2011	20.59	20.77	20.52	20.56	8,012,080	+0.02(+0.09%)
Dec 16, 2011	20.69	20.74	20.43	20.54	3,696,017	+0.00(+0.00%)
Dec 15, 2011	20.33	20.59	20.26	20.54	5,842,329	+0.58(+2.93%)
Dec 14, 2011	20.04	20.09	19.87	19.95	5,433,260	-0.30(-1.49%)
Dec 13, 2011	20.56	20.72	20.20	20.26	6,380,143	-0.32(-1.58%)
Dec 12, 2011	20.83	20.86	20.47	20.58	3,524,937	-0.41(-1.94%)
Dec 09, 2011	20.88	21.12	20.86	20.99	5,224,246	+0.41(+2.01%)
Dec 08, 2011	20.93	21.03	20.52	20.57	5,331,466	-0.45(-2.16%)
Dec 07, 2011	20.67	21.12	20.60	21.03	16,460,006	+0.35(+1.71%)
Dec 06, 2011	20.45	20.79	20.39	20.67	5,041,332	+0.45(+2.22%)
Dec 05, 2011	20.52	20.53	20.11	20.23	4,274,480	-0.15(-0.72%)
Dec 02, 2011	20.63	20.67	20.36	20.37	4,219,658	-0.34(-1.65%)
Dec 01, 2011	20.85	21.00	20.61	20.72	4,342,704	+0.04(+0.17%)
Nov 30, 2011	20.73	20.88	20.49	20.68	6,641,670	+0.79(+3.98%)
Nov 29, 2011	19.72	19.97	19.63	19.89	8,612,148	+0.17(+0.84%)
Nov 28, 2011	19.66	19.80	19.57	19.72	6,248,567	+0.99(+5.26%)
Nov 25, 2011	18.67	18.99	18.67	18.74	2,611,176	-0.29(-1.52%)
Nov 23, 2011	19.33	19.22	18.96	19.03	6,178,152	-0.30(-1.56%)
Nov 22, 2011	19.51	19.56	19.23	19.33	8,470,917	-0.16(-0.82%)
Nov 21, 2011	19.54	19.58	19.32	19.49	6,055,979	-0.24(-1.20%)
Nov 18, 2011	19.88	19.95	19.69	19.72	4,077,193	+0.07(+0.33%)
Nov 17, 2011	20.02	20.04	19.49	19.66	5,711,247	-0.11(-0.57%)
Nov 16, 2011	19.89	20.05	19.75	19.77	4,385,732	-0.12(-0.59%)
Nov 15, 2011	19.79	20.03	19.74	19.89	4,425,010	-0.05(-0.24%)
Nov 14, 2011	19.92	20.02	19.79	19.94	4,005,313	-0.25(-1.23%)
Nov 11, 2011	19.91	20.35	19.91	20.18	5,701,367	+0.36(+1.82%)
Nov 10, 2011	19.76	19.87	19.52	19.82	7,433,376	+0.41(+2.13%)
Nov 09, 2011	19.71	19.78	19.32	19.41	9,505,469	-1.09(-5.30%)
Nov 08, 2011	20.36	20.56	20.18	20.50	4,412,294	+0.48(+2.39%)
Nov 07, 2011	19.98	20.16	19.82	20.02	9,321,279	-0.14(-0.67%)
Nov 04, 2011	20.56	20.61	20.05	20.15	5,388,356	-0.66(-3.18%)
Nov 03, 2011	20.49	20.91	20.22	20.82	5,600,494	+0.63(+3.10%)
Nov 02, 2011	20.20	20.54	20.14	20.19	12,613,591	+0.10(+0.50%)
Nov 01, 2011	20.17	20.41	20.02	20.09	14,418,342	-1.03(-4.87%)
Oct 31, 2011	21.73	21.87	21.12	21.12	6,309,498	-0.88(-4.00%)
Oct 28, 2011	22.06	22.12	21.88	22.00	3,588,210	-0.14(-0.64%)
Oct 27, 2011	22.03	22.25	21.70	22.14	6,687,514	+1.22(+5.82%)
Oct 26, 2011	20.98	20.99	20.52	20.92	3,521,362	+0.38(+1.87%)
Oct 25, 2011	20.81	20.82	20.51	20.54	5,572,728	-0.73(-3.44%)
Oct 24, 2011	20.71	21.27	20.70	21.27	3,679,655	+0.22(+1.07%)
Oct 21, 2011	20.76	21.06	20.72	21.05	3,814,152	+0.58(+2.83%)
Oct 20, 2011	20.70	20.74	20.19	20.47	5,208,788	+0.11(+0.55%)
Oct 19, 2011	20.44	20.68	20.32	20.36	7,132,375	-0.23(-1.12%)
Oct 18, 2011	20.23	20.73	20.02	20.59	5,115,547	+0.25(+1.25%)
Oct 17, 2011	20.71	20.75	20.28	20.33	5,449,129	-0.59(-2.82%)
Oct 14, 2011	21.00	21.03	20.75	20.92	4,476,404	+0.13(+0.62%)
Oct 13, 2011	20.56	20.79	20.34	20.79	7,017,210	+0.42(+2.06%)
Oct 12, 2011	20.39	20.59	20.24	20.37	5,228,806	+0.22(+1.08%)
Oct 11, 2011	19.99	20.20	19.90	20.15	3,886,154	-0.07(-0.32%)
Oct 10, 2011	20.14	20.28	20.05	20.22	5,574,413	+0.79(+4.07%)
Oct 07, 2011	19.64	19.68	19.40	19.43	6,286,397	-0.27(-1.35%)
Oct 06, 2011	19.53	19.70	19.52	19.69	5,440,044	+0.31(+1.62%)
Oct 05, 2011	19.11	19.39	18.92	19.38	8,057,843	-0.01(-0.06%)
Oct 04, 2011	19.01	19.40	18.68	19.39	10,875,490	+0.56(+2.98%)
Oct 03, 2011	19.20	19.41	18.83	18.83	5,907,457	-0.54(-2.81%)
Sep 30, 2011	19.59	19.70	19.38	19.38	5,037,193	-0.67(-3.33%)
Sep 29, 2011	20.23	20.25	19.72	20.04	6,229,786	+0.52(+2.66%)
Sep 28, 2011	20.00	20.11	19.48	19.52	4,786,631	-0.18(-0.90%)
Sep 27, 2011	19.61	20.00	19.53	19.70	8,499,101	+0.44(+2.27%)
Sep 26, 2011	19.10	19.29	18.82	19.26	5,652,522	+0.42(+2.23%)
Sep 23, 2011	18.51	18.87	18.44	18.84	7,387,073	+0.24(+1.27%)
Sep 22, 2011	18.35	18.70	18.31	18.61	10,993,484	-0.42(-2.20%)
Sep 21, 2011	19.55	19.63	19.03	19.03	6,888,218	-0.61(-3.13%)
Sep 20, 2011	19.67	19.92	19.45	19.64	6,286,038	+0.21(+1.06%)
Sep 19, 2011	19.06	19.50	19.00	19.43	11,881,727	-0.39(-1.97%)
Sep 16, 2011	19.95	20.02	19.51	19.82	5,520,463	-0.02(-0.09%)
Sep 15, 2011	19.92	19.96	19.67	19.84	6,033,134	+0.43(+2.22%)
Sep 14, 2011	19.21	19.56	18.78	19.41	8,656,629	+0.36(+1.89%)
Sep 13, 2011	18.79	19.12	18.76	19.05	8,807,291	+0.04(+0.19%)
Sep 12, 2011	18.69	19.03	18.61	19.01	14,579,335	-0.30(-1.56%)
Sep 09, 2011	19.59	19.75	19.28	19.32	10,980,152	-0.83(-4.11%)
Sep 08, 2011	20.39	20.66	20.09	20.14	8,540,118	-0.77(-3.70%)
Sep 07, 2011	20.66	20.92	20.56	20.92	4,833,403	+0.40(+1.93%)
Sep 06, 2011	20.20	20.56	20.09	20.52	4,755,172	-0.18(-0.88%)
Sep 02, 2011	20.92	21.01	20.64	20.70	6,368,455	-0.76(-3.55%)
Sep 01, 2011	21.64	21.90	21.43	21.47	4,507,197	-0.14(-0.63%)
Aug 31, 2011	21.53	21.73	21.42	21.60	5,247,701	+0.29(+1.36%)
Aug 30, 2011	21.09	21.42	20.94	21.31	4,784,132	-0.23(-1.07%)
Aug 29, 2011	21.38	21.56	21.38	21.54	3,450,070	+0.34(+1.62%)
Aug 26, 2011	20.79	21.28	20.52	21.20	4,667,674	+0.11(+0.50%)
Aug 25, 2011	21.41	21.51	20.99	21.09	4,356,542	-0.55(-2.54%)
Aug 24, 2011	21.53	21.80	21.42	21.64	4,445,804	-0.02(-0.08%)
Aug 23, 2011	21.18	21.66	21.05	21.66	8,970,192	+0.99(+4.80%)
Aug 22, 2011	21.21	21.21	20.62	20.67	6,780,684	+0.53(+2.64%)
Aug 19, 2011	20.11	20.59	20.09	20.14	6,522,418	-0.34(-1.64%)
Aug 18, 2011	20.82	20.82	20.31	20.47	10,438,065	-0.79(-3.72%)
Aug 17, 2011	21.38	21.53	21.05	21.27	8,748,833	+0.61(+2.97%)
Aug 16, 2011	20.59	20.89	20.44	20.65	7,423,230	-0.15(-0.71%)
Aug 15, 2011	20.68	20.82	20.58	20.80	6,239,212	+0.47(+2.33%)
Aug 12, 2011	20.23	20.50	19.94	20.33	10,519,638	+0.91(+4.69%)
Aug 11, 2011	18.30	19.59	18.30	19.42	13,265,839	+0.77(+4.12%)
Aug 10, 2011	19.59	19.67	18.49	18.65	25,568,838	-1.50(-7.45%)
Aug 09, 2011	20.36	20.21	19.01	20.15	13,430,010	+0.64(+3.27%)
Aug 08, 2011	20.36	20.60	19.49	19.51	11,700,221	-1.61(-7.63%)
Aug 05, 2011	21.37	21.40	20.41	21.12	14,297,314	+0.30(+1.45%)
Aug 04, 2011	21.60	21.71	20.82	20.82	14,561,655	-1.35(-6.08%)
Aug 03, 2011	22.17	22.21	21.76	22.17	7,756,126	+0.35(+1.60%)
Aug 02, 2011	22.22	22.42	21.81	21.82	5,413,074	-0.60(-2.69%)

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