Date	Open	High	Low	Close	Volume	Change (%)
Jul 31, 2012	21.16	21.41	21.07	21.11	25,239,554	-1.02(-4.59%)
Jul 30, 2012	22.13	22.25	22.07	22.13	9,924,783	+0.14(+0.65%)
Jul 27, 2012	21.90	22.05	21.71	21.99	14,036,697	+0.34(+1.56%)
Jul 26, 2012	21.54	21.70	21.45	21.65	12,284,723	+0.55(+2.58%)
Jul 25, 2012	21.08	21.71	21.01	21.10	9,881,097	+0.04(+0.18%)
Jul 24, 2012	21.34	21.36	20.86	21.07	9,476,093	-0.31(-1.46%)
Jul 23, 2012	21.18	21.41	21.06	21.38	9,754,197	-0.61(-2.77%)
Jul 20, 2012	21.86	21.99	21.80	21.99	9,488,701	-0.16(-0.74%)
Jul 19, 2012	22.11	22.22	22.02	22.15	8,969,854	+0.06(+0.29%)
Jul 18, 2012	21.95	22.14	21.88	22.09	9,213,533	+0.03(+0.12%)
Jul 17, 2012	22.06	22.07	21.85	22.06	14,823,602	+0.18(+0.82%)
Jul 16, 2012	21.90	21.96	21.72	21.88	12,613,335	+0.21(+0.98%)
Jul 13, 2012	21.45	21.72	21.43	21.67	12,134,032	+0.34(+1.61%)
Jul 12, 2012	21.30	21.38	21.19	21.33	12,949,918	+0.01(+0.02%)
Jul 11, 2012	21.19	21.42	21.12	21.32	8,207,524	+0.34(+1.61%)
Jul 10, 2012	21.23	21.23	20.87	20.98	7,617,955	-0.01(-0.05%)
Jul 09, 2012	20.89	20.99	20.71	20.99	5,796,704	+0.02(+0.10%)
Jul 06, 2012	21.11	21.19	20.92	20.97	10,750,713	-0.38(-1.78%)
Jul 05, 2012	21.47	21.51	21.30	21.35	7,784,825	-0.24(-1.13%)
Jul 03, 2012	21.42	21.64	21.42	21.60	7,827,729	+0.06(+0.29%)
Jul 02, 2012	21.47	21.55	21.30	21.53	9,565,784	+0.08(+0.37%)
Jun 29, 2012	21.17	21.48	20.97	21.45	19,929,030	+1.06(+5.22%)
Jun 28, 2012	20.08	20.40	20.01	20.39	7,821,266	+0.15(+0.76%)
Jun 27, 2012	19.99	20.29	19.99	20.24	10,211,022	+0.23(+1.14%)
Jun 26, 2012	20.09	20.11	19.88	20.01	11,523,052	+0.08(+0.40%)
Jun 25, 2012	19.99	19.99	19.82	19.93	8,569,431	-0.38(-1.85%)
Jun 22, 2012	20.19	20.34	20.11	20.30	8,848,040	+0.24(+1.19%)
Jun 21, 2012	20.80	20.91	20.04	20.07	20,105,626	-1.10(-5.18%)
Jun 20, 2012	21.30	21.37	20.99	21.16	9,331,804	-0.13(-0.62%)
Jun 19, 2012	21.27	21.42	21.18	21.29	11,847,813	+0.38(+1.82%)
Jun 18, 2012	20.95	21.03	20.79	20.91	8,603,646	-0.37(-1.72%)
Jun 15, 2012	21.01	21.28	20.95	21.28	13,422,785	+0.43(+2.08%)
Jun 14, 2012	20.42	20.88	20.42	20.84	19,376,892	+0.30(+1.44%)
Jun 13, 2012	20.60	20.75	20.42	20.55	10,571,835	-0.10(-0.49%)
Jun 12, 2012	20.45	20.68	20.31	20.65	11,043,468	+0.39(+1.91%)
Jun 11, 2012	20.68	20.68	20.24	20.26	13,254,232	+0.10(+0.50%)
Jun 08, 2012	20.02	20.24	19.96	20.16	8,795,370	-0.20(-0.99%)
Jun 07, 2012	20.79	20.79	20.30	20.36	12,076,632	+0.15(+0.76%)
Jun 06, 2012	19.87	20.21	19.80	20.21	13,471,968	+0.73(+3.75%)
Jun 05, 2012	19.39	19.52	19.30	19.48	8,635,223	+0.12(+0.63%)
Jun 04, 2012	19.62	19.64	19.18	19.36	11,031,128	-0.10(-0.49%)
Jun 01, 2012	19.65	19.71	19.38	19.45	21,549,374	+0.16(+0.82%)
May 31, 2012	19.59	19.65	19.18	19.29	20,492,942	-0.30(-1.51%)
May 30, 2012	19.83	19.86	19.59	19.59	12,240,335	-0.58(-2.86%)
May 29, 2012	20.21	20.32	20.08	20.17	12,012,473	-0.13(-0.65%)
May 25, 2012	20.21	20.38	20.19	20.30	9,641,971	+0.07(+0.34%)
May 24, 2012	20.30	20.46	20.05	20.23	11,173,967	+0.16(+0.82%)
May 23, 2012	19.83	20.08	19.70	20.07	12,960,279	+0.04(+0.18%)
May 22, 2012	20.10	20.31	19.94	20.03	15,455,227	+0.07(+0.37%)
May 21, 2012	19.89	20.00	19.77	19.96	11,963,201	+0.32(+1.64%)
May 18, 2012	19.99	20.06	19.58	19.63	18,176,712	-0.21(-1.07%)
May 17, 2012	20.00	20.17	19.84	19.84	20,751,542	-0.36(-1.78%)
May 16, 2012	20.39	20.52	20.20	20.20	11,367,743	+0.00(+0.00%)
May 15, 2012	20.47	20.55	20.19	20.20	12,930,512	-0.36(-1.75%)
May 14, 2012	20.68	20.79	20.56	20.56	7,273,599	-0.42(-1.99%)
May 11, 2012	20.96	21.32	20.93	20.98	8,779,366	-0.07(-0.33%)
May 10, 2012	21.07	21.23	20.99	21.05	10,930,539	+0.28(+1.32%)
May 09, 2012	20.71	20.93	20.55	20.78	21,498,240	-0.36(-1.70%)
May 08, 2012	21.44	21.47	20.93	21.14	18,101,014	-0.48(-2.20%)
May 07, 2012	21.43	21.69	21.33	21.61	7,869,049	+0.19(+0.90%)
May 04, 2012	21.84	21.87	21.41	21.42	12,026,013	-0.55(-2.52%)
May 03, 2012	22.19	22.24	21.88	21.97	11,334,212	-0.18(-0.80%)
May 02, 2012	22.00	22.18	21.97	22.15	14,121,839	-0.18(-0.80%)
May 01, 2012	22.24	22.55	22.11	22.33	18,504,944	-0.37(-1.64%)
Apr 30, 2012	22.65	22.74	22.58	22.70	4,926,661	-0.06(-0.28%)
Apr 27, 2012	22.79	22.82	22.64	22.76	6,948,602	+0.13(+0.55%)
Apr 26, 2012	22.27	22.67	22.18	22.64	11,756,686	+0.58(+2.61%)
Apr 25, 2012	22.04	22.08	21.84	22.06	12,728,076	+0.15(+0.67%)
Apr 24, 2012	22.17	22.20	21.78	21.91	19,927,998	-0.02(-0.10%)
Apr 23, 2012	21.71	21.98	21.62	21.94	10,916,166	-0.02(-0.10%)
Apr 20, 2012	22.16	22.24	21.96	21.96	16,019,039	-0.27(-1.20%)
Apr 19, 2012	22.40	22.47	22.18	22.22	8,880,182	-0.37(-1.62%)
Apr 18, 2012	22.53	22.67	22.45	22.59	8,368,538	-0.04(-0.16%)
Apr 17, 2012	22.43	22.71	22.36	22.63	8,646,871	+0.40(+1.79%)
Apr 16, 2012	22.29	22.30	22.05	22.23	9,362,189	+0.19(+0.85%)
Apr 13, 2012	22.22	22.24	22.01	22.04	10,173,430	-0.42(-1.89%)
Apr 12, 2012	21.99	22.50	21.99	22.46	10,248,462	+0.48(+2.16%)
Apr 11, 2012	22.50	22.51	21.96	21.99	12,992,659	-0.13(-0.59%)
Apr 10, 2012	22.55	22.60	22.06	22.12	13,913,963	-0.50(-2.22%)
Apr 09, 2012	22.51	22.74	22.35	22.62	8,433,769	-0.06(-0.25%)
Apr 05, 2012	22.35	22.78	22.35	22.68	14,976,763	+0.02(+0.09%)
Apr 04, 2012	22.86	22.89	22.53	22.66	20,420,450	-0.62(-2.65%)
Apr 03, 2012	23.60	23.61	23.16	23.27	10,200,737	-0.43(-1.83%)
Apr 02, 2012	23.53	23.84	23.34	23.71	11,880,065	+0.18(+0.76%)
Mar 30, 2012	23.17	23.56	23.15	23.53	17,975,172	+0.34(+1.47%)
Mar 29, 2012	22.88	23.22	22.82	23.19	16,247,978	-0.18(-0.78%)
Mar 28, 2012	23.53	23.59	23.23	23.37	10,301,227	-0.10(-0.45%)
Mar 27, 2012	23.96	24.04	23.46	23.48	14,496,051	-0.70(-2.88%)
Mar 26, 2012	24.10	24.19	24.02	24.17	7,004,437	+0.33(+1.40%)
Mar 23, 2012	23.69	23.91	23.67	23.84	6,806,680	+0.15(+0.64%)
Mar 22, 2012	23.71	23.79	23.60	23.69	12,282,724	-0.37(-1.52%)
Mar 21, 2012	24.13	24.16	23.92	24.05	13,382,455	-0.11(-0.48%)
Mar 20, 2012	24.19	24.26	24.08	24.17	15,765,116	-0.37(-1.49%)
Mar 19, 2012	24.51	24.67	24.37	24.53	11,863,294	+0.05(+0.19%)
Mar 16, 2012	24.30	24.53	24.30	24.49	18,985,840	+0.07(+0.30%)
Mar 15, 2012	24.37	24.43	24.17	24.41	16,695,040	-0.01(-0.02%)
Mar 14, 2012	24.66	24.78	24.38	24.42	16,026,211	-0.33(-1.33%)
Mar 13, 2012	24.50	24.76	24.45	24.75	7,859,881	+0.32(+1.31%)
Mar 12, 2012	24.34	24.47	24.25	24.43	9,574,959	+0.02(+0.06%)
Mar 09, 2012	24.28	24.51	24.28	24.41	19,666,666	-0.22(-0.89%)
Mar 08, 2012	24.63	24.71	24.46	24.63	11,293,507	+0.30(+1.22%)
Mar 07, 2012	24.28	24.45	24.18	24.34	10,061,368	+0.16(+0.67%)
Mar 06, 2012	24.64	24.68	24.02	24.17	20,179,344	-0.90(-3.61%)
Mar 05, 2012	25.19	25.28	24.98	25.08	40,222,988	+0.24(+0.97%)
Mar 02, 2012	24.80	24.94	24.72	24.84	12,890,471	-0.18(-0.71%)
Mar 01, 2012	24.74	25.08	24.74	25.02	12,337,578	+0.36(+1.44%)
Feb 29, 2012	25.01	25.07	24.59	24.66	12,774,143	-0.36(-1.42%)
Feb 28, 2012	24.86	25.07	24.71	25.02	17,041,904	+0.16(+0.63%)
Feb 27, 2012	25.06	25.10	24.84	24.86	26,189,728	+0.29(+1.17%)
Feb 24, 2012	24.85	24.85	24.57	24.57	14,585,284	-0.15(-0.59%)
Feb 23, 2012	24.45	24.79	24.40	24.72	16,325,865	+0.21(+0.85%)
Feb 22, 2012	24.58	24.61	24.44	24.51	38,476,816	-0.15(-0.61%)
Feb 21, 2012	24.81	24.97	24.58	24.66	16,180,376	-0.24(-0.97%)
Feb 17, 2012	24.36	24.93	24.28	24.90	23,220,408	+0.51(+2.08%)
Feb 16, 2012	24.14	24.42	24.07	24.39	10,537,988	+0.36(+1.50%)
Feb 15, 2012	24.13	24.17	23.97	24.03	14,464,591	-0.02(-0.07%)
Feb 14, 2012	24.34	24.45	23.99	24.05	23,687,640	-0.47(-1.90%)
Feb 13, 2012	24.35	24.56	24.18	24.51	18,676,466	+0.53(+2.20%)
Feb 10, 2012	24.00	24.12	23.91	23.99	20,829,384	-0.22(-0.90%)
Feb 09, 2012	24.46	24.47	24.15	24.20	16,344,917	-0.10(-0.43%)
Feb 08, 2012	24.02	24.37	24.00	24.31	23,919,478	+0.19(+0.79%)
Feb 07, 2012	23.92	24.17	23.64	24.12	21,976,680	-0.14(-0.58%)
Feb 06, 2012	23.87	24.28	23.78	24.26	16,976,382	+0.16(+0.64%)
Feb 03, 2012	23.57	24.20	23.56	24.10	23,334,034	+0.54(+2.28%)
Feb 02, 2012	23.42	23.63	23.40	23.56	14,518,418	-0.01(-0.04%)
Feb 01, 2012	23.76	23.85	23.57	23.57	22,999,566	-0.19(-0.78%)
Jan 31, 2012	23.23	23.82	23.06	23.76	45,146,360	+0.92(+4.01%)
Jan 30, 2012	22.21	22.85	22.17	22.84	20,831,858	+0.23(+1.01%)
Jan 27, 2012	22.68	22.86	22.59	22.61	16,966,096	-0.55(-2.39%)
Jan 26, 2012	23.28	23.34	23.13	23.17	12,910,448	-0.07(-0.29%)
Jan 25, 2012	22.96	23.26	22.82	23.24	11,297,375	+0.10(+0.45%)
Jan 24, 2012	23.03	23.16	22.91	23.13	11,856,082	+0.04(+0.16%)
Jan 23, 2012	23.01	23.15	22.94	23.10	12,470,209	+0.32(+1.39%)
Jan 20, 2012	22.58	22.79	22.52	22.78	17,558,816	-0.36(-1.54%)
Jan 19, 2012	23.19	23.23	23.04	23.14	14,468,256	+0.08(+0.34%)
Jan 18, 2012	22.87	23.08	22.83	23.06	10,826,358	+0.17(+0.72%)
Jan 17, 2012	23.12	23.14	22.76	22.89	11,459,675	+0.24(+1.07%)
Jan 13, 2012	22.50	22.68	22.44	22.65	9,105,342	-0.22(-0.97%)
Jan 12, 2012	22.72	22.98	22.72	22.87	11,329,781	+0.07(+0.32%)
Jan 11, 2012	22.62	22.82	22.55	22.80	12,419,209	-0.17(-0.74%)
Jan 10, 2012	23.14	23.16	22.95	22.97	12,969,200	+0.17(+0.73%)
Jan 09, 2012	22.78	22.82	22.64	22.81	7,035,618	-0.01(-0.02%)
Jan 06, 2012	23.07	23.08	22.73	22.81	11,548,222	-0.09(-0.38%)
Jan 05, 2012	22.90	22.99	22.80	22.90	10,764,567	-0.26(-1.12%)
Jan 04, 2012	23.01	23.17	22.87	23.16	13,301,988	+1.04(+4.70%)
Dec 30, 2011	22.06	22.16	22.05	22.12	5,004,169	+0.06(+0.26%)
Dec 29, 2011	21.91	22.09	21.86	22.06	5,289,581	+0.14(+0.64%)
Dec 28, 2011	22.22	22.27	21.91	21.92	5,548,898	-0.40(-1.81%)
Dec 27, 2011	22.29	22.49	22.26	22.32	4,362,432	-0.07(-0.32%)
Dec 23, 2011	22.31	22.41	22.20	22.40	5,701,104	+0.80(+3.69%)
Dec 21, 2011	21.47	21.68	21.33	21.60	11,966,825	-0.08(-0.36%)
Dec 20, 2011	21.33	21.73	21.33	21.68	10,255,674	+0.72(+3.46%)
Dec 19, 2011	21.07	21.30	20.91	20.95	12,077,330	-0.47(-2.17%)
Dec 16, 2011	21.45	21.61	21.35	21.42	11,505,258	+0.00(+0.00%)
Dec 15, 2011	21.63	21.81	21.37	21.42	12,468,247	+0.15(+0.71%)
Dec 14, 2011	21.40	21.48	21.09	21.27	11,962,846	-0.27(-1.27%)
Dec 13, 2011	21.90	22.14	21.36	21.54	12,109,606	-0.10(-0.48%)
Dec 12, 2011	21.76	21.77	21.47	21.65	9,763,376	-0.46(-2.06%)
Dec 09, 2011	21.81	22.19	21.78	22.10	10,363,013	+0.33(+1.52%)
Dec 08, 2011	21.89	22.00	21.72	21.77	10,152,122	-0.50(-2.23%)
Dec 07, 2011	22.49	22.53	22.19	22.27	12,874,280	-0.27(-1.22%)
Dec 06, 2011	22.67	22.73	22.50	22.54	9,677,882	-0.01(-0.02%)
Dec 05, 2011	22.86	22.90	22.43	22.55	12,103,958	+0.14(+0.65%)
Dec 02, 2011	22.49	22.71	22.34	22.40	11,851,775	+0.28(+1.26%)
Dec 01, 2011	22.35	22.46	22.08	22.12	9,546,442	-0.41(-1.84%)
Nov 30, 2011	22.46	22.70	22.31	22.54	24,007,050	+1.32(+6.22%)
Nov 29, 2011	21.13	21.36	21.05	21.22	8,853,386	+0.09(+0.44%)
Nov 28, 2011	21.08	21.27	21.01	21.12	9,550,594	+0.73(+3.58%)
Nov 25, 2011	20.45	20.73	20.39	20.39	5,462,819	-0.14(-0.68%)
Nov 23, 2011	20.80	20.87	20.49	20.53	18,779,570	-0.75(-3.50%)
Nov 22, 2011	21.37	21.54	21.19	21.28	13,184,927	-0.30(-1.39%)
Nov 21, 2011	21.61	21.68	21.33	21.58	12,241,278	-0.40(-1.84%)
Nov 18, 2011	22.06	22.22	21.95	21.98	9,136,156	-0.08(-0.35%)
Nov 17, 2011	22.25	22.42	21.90	22.06	13,604,507	-0.46(-2.02%)
Nov 16, 2011	22.50	22.93	22.46	22.52	9,413,083	-0.10(-0.44%)
Nov 15, 2011	22.60	22.78	22.41	22.61	9,748,074	+0.07(+0.30%)
Nov 14, 2011	22.73	22.79	22.50	22.55	6,762,936	-0.23(-1.00%)
Nov 11, 2011	22.62	22.93	22.61	22.78	11,271,521	+0.47(+2.11%)
Nov 10, 2011	22.35	22.47	21.94	22.30	10,948,598	+0.35(+1.58%)
Nov 09, 2011	23.13	22.45	21.86	21.96	20,787,926	-1.17(-5.08%)
Nov 08, 2011	23.12	23.23	22.80	23.13	10,974,396	+0.36(+1.59%)
Nov 07, 2011	22.49	22.80	22.46	22.77	15,389,859	+0.08(+0.34%)
Nov 04, 2011	22.43	22.77	22.32	22.69	10,589,617	-0.09(-0.39%)
Nov 03, 2011	22.69	22.84	22.34	22.78	11,938,560	+0.32(+1.41%)
Nov 02, 2011	22.21	22.58	22.18	22.46	19,450,746	+0.57(+2.62%)
Nov 01, 2011	21.48	22.16	21.38	21.89	29,323,104	-0.75(-3.30%)
Oct 31, 2011	22.98	23.20	22.62	22.64	16,800,442	-0.68(-2.90%)
Oct 28, 2011	23.00	23.34	22.99	23.31	15,702,397	+0.04(+0.15%)
Oct 27, 2011	23.15	23.49	22.94	23.28	26,187,980	+0.40(+1.75%)
Oct 26, 2011	22.53	22.95	22.20	22.88	35,177,636	+0.58(+2.60%)
Oct 25, 2011	22.26	22.55	21.95	22.30	33,517,634	+0.86(+4.02%)
Oct 24, 2011	21.17	21.58	21.17	21.44	18,760,804	-0.26(-1.20%)
Oct 21, 2011	21.30	21.76	21.27	21.70	21,146,752	+0.53(+2.49%)
Oct 20, 2011	20.91	21.27	20.62	21.17	19,876,950	+0.28(+1.32%)
Oct 19, 2011	21.17	21.28	20.82	20.90	15,491,699	-0.17(-0.80%)
Oct 18, 2011	20.84	21.20	20.54	21.07	15,719,932	+0.48(+2.34%)
Oct 17, 2011	20.92	20.92	20.45	20.58	20,308,406	+0.15(+0.73%)
Oct 14, 2011	20.22	20.45	20.07	20.43	11,319,113	+0.58(+2.92%)
Oct 13, 2011	19.57	19.95	19.46	19.86	11,332,661	+0.06(+0.31%)
Oct 12, 2011	19.88	20.12	19.79	19.79	14,544,313	+0.14(+0.70%)
Oct 11, 2011	19.34	19.67	19.34	19.66	15,235,396	+0.03(+0.13%)
Oct 10, 2011	19.37	19.64	19.27	19.63	12,889,758	+0.61(+3.23%)
Oct 07, 2011	19.12	19.21	18.87	19.02	23,467,728	+0.17(+0.90%)
Oct 06, 2011	18.60	18.86	18.60	18.85	24,341,174	+0.04(+0.22%)
Oct 05, 2011	18.29	18.87	18.17	18.81	17,208,530	+0.66(+3.61%)
Oct 04, 2011	17.72	18.18	17.23	18.15	31,230,862	+0.10(+0.57%)
Oct 03, 2011	18.40	18.55	18.02	18.05	19,745,406	-0.44(-2.36%)
Sep 30, 2011	18.61	18.81	18.46	18.48	17,992,296	-0.48(-2.54%)
Sep 29, 2011	19.07	19.11	18.64	18.96	15,571,629	+0.30(+1.59%)
Sep 28, 2011	19.41	19.51	18.66	18.67	15,795,163	-0.77(-3.98%)
Sep 27, 2011	19.46	19.71	19.33	19.44	18,783,556	+0.52(+2.73%)
Sep 26, 2011	18.56	18.94	18.27	18.92	16,464,451	+0.55(+2.98%)
Sep 23, 2011	18.04	18.44	17.99	18.38	17,392,910	+0.07(+0.36%)
Sep 22, 2011	18.23	18.38	18.06	18.31	23,048,738	-0.60(-3.17%)
Sep 21, 2011	19.69	19.74	18.90	18.91	15,959,884	-0.96(-4.82%)
Sep 20, 2011	19.93	20.18	19.70	19.87	11,556,019	+0.08(+0.41%)
Sep 19, 2011	19.76	19.93	19.55	19.78	15,748,286	-0.55(-2.72%)
Sep 16, 2011	20.19	20.35	20.16	20.34	20,097,546	+0.09(+0.43%)
Sep 15, 2011	20.00	20.29	19.93	20.25	28,435,672	+0.63(+3.21%)
Sep 14, 2011	19.47	19.77	19.10	19.62	36,996,704	+0.94(+5.05%)
Sep 13, 2011	18.53	18.83	18.42	18.68	22,836,254	+0.01(+0.05%)
Sep 12, 2011	18.06	18.69	18.04	18.67	20,036,062	+0.22(+1.19%)
Sep 09, 2011	18.69	18.79	18.42	18.45	20,337,326	-0.55(-2.91%)
Sep 08, 2011	18.98	19.29	18.95	19.00	12,218,475	-0.11(-0.56%)
Sep 07, 2011	18.95	19.15	18.86	19.11	13,825,539	+0.46(+2.47%)
Sep 06, 2011	18.03	18.66	18.01	18.65	25,422,308	-0.07(-0.38%)
Sep 02, 2011	18.47	18.81	18.41	18.72	39,440,292	-0.65(-3.33%)
Sep 01, 2011	19.85	19.86	19.27	19.36	45,245,016	-0.82(-4.06%)
Aug 31, 2011	20.12	20.35	20.08	20.18	15,570,921	+0.00(+0.00%)
Aug 30, 2011	19.91	20.24	19.66	20.18	14,041,343	+0.07(+0.36%)
Aug 29, 2011	19.87	20.11	19.83	20.11	9,641,346	+0.54(+2.78%)
Aug 26, 2011	19.08	19.70	18.86	19.57	24,745,008	+0.37(+1.92%)
Aug 25, 2011	19.73	19.84	19.12	19.20	40,098,820	-1.07(-5.26%)
Aug 24, 2011	20.20	20.47	19.97	20.27	12,618,896	-0.14(-0.70%)
Aug 23, 2011	20.05	20.41	19.88	20.41	16,318,051	+0.76(+3.86%)
Aug 22, 2011	20.38	20.38	19.60	19.65	16,433,774	-0.06(-0.29%)
Aug 19, 2011	19.84	20.26	19.68	19.71	20,765,648	-0.44(-2.19%)
Aug 18, 2011	20.49	20.52	19.96	20.15	27,882,138	-0.81(-3.86%)
Aug 17, 2011	21.05	21.31	20.88	20.96	15,826,817	-0.04(-0.17%)
Aug 16, 2011	20.82	21.21	20.70	20.99	15,073,715	-0.35(-1.63%)
Aug 15, 2011	20.82	21.34	20.80	21.34	23,223,116	+0.76(+3.68%)
Aug 12, 2011	20.05	20.66	20.01	20.58	34,331,724	+0.24(+1.18%)
Aug 11, 2011	19.67	20.56	19.47	20.34	45,094,948	+0.72(+3.68%)
Aug 10, 2011	20.26	20.28	19.60	19.62	28,383,318	-0.87(-4.25%)
Aug 09, 2011	20.38	20.49	19.39	20.49	29,489,910	+0.92(+4.71%)
Aug 08, 2011	20.38	20.68	19.53	19.57	33,096,116	-1.40(-6.69%)
Aug 05, 2011	21.00	21.18	20.32	20.97	33,950,604	+0.21(+1.01%)
Aug 04, 2011	21.54	21.56	20.71	20.76	26,737,778	-1.36(-6.16%)
Aug 03, 2011	22.13	22.17	21.69	22.13	20,711,766	-0.01(-0.02%)
Aug 02, 2011	22.52	22.68	22.11	22.13	23,033,402	-0.77(-3.37%)

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