Date	Open	High	Low	Close	Volume	Change (%)
Jul 31, 2012	22.12	22.16	21.96	22.07	1,073,876	-0.15(-0.68%)
Jul 30, 2012	22.30	22.32	22.20	22.22	1,298,719	+0.15(+0.68%)
Jul 27, 2012	21.98	22.14	21.75	22.07	4,671,586	-0.06(-0.27%)
Jul 26, 2012	22.09	22.16	21.96	22.13	4,071,939	-0.48(-2.12%)
Jul 25, 2012	22.62	22.78	22.59	22.61	1,571,772	-0.33(-1.44%)
Jul 24, 2012	22.81	23.04	22.78	22.94	2,592,920	+0.23(+1.01%)
Jul 23, 2012	22.87	22.93	22.66	22.71	2,405,673	+0.09(+0.40%)
Jul 20, 2012	22.51	22.66	22.50	22.62	1,739,632	+0.44(+1.98%)
Jul 19, 2012	22.28	22.35	22.14	22.18	1,701,067	+0.02(+0.09%)
Jul 18, 2012	22.31	22.31	22.14	22.16	1,014,141	+0.02(+0.09%)
Jul 17, 2012	22.16	22.50	22.12	22.14	1,591,944	-0.03(-0.14%)
Jul 16, 2012	22.30	22.42	22.13	22.17	1,316,709	-0.13(-0.58%)
Jul 13, 2012	22.54	22.54	22.25	22.30	1,422,066	-0.15(-0.67%)
Jul 12, 2012	22.51	22.56	22.42	22.45	1,471,331	+0.14(+0.65%)
Jul 11, 2012	22.26	22.41	22.15	22.30	1,820,316	+0.04(+0.16%)
Jul 10, 2012	22.11	22.33	22.11	22.27	1,329,368	+0.23(+1.04%)
Jul 09, 2012	22.14	22.18	22.02	22.04	1,143,261	-0.13(-0.58%)
Jul 06, 2012	22.00	22.25	21.97	22.17	1,969,181	+0.39(+1.79%)
Jul 05, 2012	21.80	21.87	21.76	21.78	2,158,676	+0.74(+3.52%)
Jul 03, 2012	21.20	21.21	21.00	21.04	838,859	-0.10(-0.47%)
Jul 02, 2012	21.09	21.19	21.07	21.14	1,242,370	+0.24(+1.15%)
Jun 29, 2012	20.83	20.94	20.78	20.90	3,129,122	-0.72(-3.33%)
Jun 28, 2012	21.68	21.75	21.61	21.62	1,636,238	+0.06(+0.28%)
Jun 27, 2012	21.53	21.64	21.51	21.56	1,300,878	+0.08(+0.37%)
Jun 26, 2012	21.53	21.66	21.44	21.48	1,693,428	+0.03(+0.14%)
Jun 25, 2012	21.49	21.54	21.44	21.45	1,532,878	+0.20(+0.94%)
Jun 22, 2012	21.20	21.38	21.18	21.25	2,211,784	-0.05(-0.23%)
Jun 21, 2012	20.95	21.35	20.94	21.30	2,912,980	+0.45(+2.16%)
Jun 20, 2012	20.80	20.99	20.65	20.85	2,963,435	+0.00(+0.00%)
Jun 19, 2012	20.99	21.01	20.69	20.85	2,660,436	-0.37(-1.74%)
Jun 18, 2012	21.15	21.28	21.11	21.22	2,235,560	+0.27(+1.29%)
Jun 15, 2012	21.10	21.14	20.93	20.95	2,379,762	-0.12(-0.57%)
Jun 14, 2012	21.24	21.26	21.02	21.07	2,026,558	-0.15(-0.71%)
Jun 13, 2012	21.38	21.43	21.10	21.22	2,425,729	-0.23(-1.07%)
Jun 12, 2012	21.51	21.68	21.42	21.45	2,071,819	-0.09(-0.42%)
Jun 11, 2012	21.28	21.55	21.26	21.54	2,713,770	+0.06(+0.28%)
Jun 08, 2012	21.66	21.69	21.42	21.48	3,113,226	+0.23(+1.08%)
Jun 07, 2012	21.07	21.33	21.05	21.25	3,464,366	+0.03(+0.14%)
Jun 06, 2012	21.59	21.61	21.19	21.22	4,838,567	-0.43(-1.99%)
Jun 05, 2012	21.67	21.75	21.59	21.65	2,442,640	+0.16(+0.74%)
Jun 04, 2012	21.58	21.59	21.46	21.49	3,401,542	-0.27(-1.24%)
Jun 01, 2012	21.85	21.99	21.64	21.76	6,204,703	-0.22(-1.00%)
May 31, 2012	21.87	22.08	21.86	21.98	2,800,238	+0.01(+0.05%)
May 30, 2012	21.76	21.98	21.74	21.97	3,026,641	+0.45(+2.09%)
May 29, 2012	21.38	21.64	21.34	21.52	2,918,653	+0.04(+0.19%)
May 25, 2012	21.44	21.49	21.35	21.48	2,731,646	+0.06(+0.28%)
May 24, 2012	21.20	21.44	21.15	21.42	4,175,942	+0.24(+1.13%)
May 23, 2012	20.95	21.35	20.95	21.18	6,236,098	+0.26(+1.24%)
May 22, 2012	20.64	20.98	20.59	20.92	3,087,448	+0.46(+2.25%)
May 21, 2012	20.74	20.76	20.44	20.46	3,555,836	-0.15(-0.73%)
May 18, 2012	20.81	20.85	20.57	20.61	3,417,764	-0.23(-1.10%)
May 17, 2012	20.84	20.93	20.74	20.84	3,537,844	-0.02(-0.10%)
May 16, 2012	20.74	20.90	20.67	20.86	5,095,652	+0.08(+0.38%)
May 15, 2012	20.56	20.79	20.54	20.78	4,171,662	+0.35(+1.71%)
May 14, 2012	20.42	20.47	20.36	20.43	3,679,703	+0.28(+1.39%)
May 11, 2012	20.17	20.18	20.05	20.15	1,412,554	+0.05(+0.25%)
May 10, 2012	20.03	20.10	19.98	20.10	1,402,106	+0.00(+0.00%)
May 09, 2012	20.09	20.20	20.01	20.10	3,302,741	+0.21(+1.06%)
May 08, 2012	19.91	19.98	19.79	19.89	3,265,198	+0.14(+0.71%)
May 07, 2012	19.77	19.81	19.73	19.75	1,990,779	+0.10(+0.51%)
May 04, 2012	19.47	19.68	19.39	19.65	2,134,836	+0.18(+0.92%)
May 03, 2012	19.44	19.50	19.38	19.47	1,040,257	+0.02(+0.10%)
May 02, 2012	19.50	19.53	19.42	19.45	1,076,374	+0.23(+1.20%)
May 01, 2012	19.13	19.32	19.08	19.22	1,141,239	+0.01(+0.05%)
Apr 30, 2012	19.25	19.27	19.21	19.21	665,367	-0.02(-0.10%)
Apr 27, 2012	19.17	19.23	19.14	19.23	1,028,917	+0.02(+0.10%)
Apr 26, 2012	19.29	19.31	19.18	19.21	898,193	-0.08(-0.41%)
Apr 25, 2012	19.27	19.42	19.24	19.29	1,786,348	-0.08(-0.41%)
Apr 24, 2012	19.37	19.39	19.28	19.37	1,085,935	-0.11(-0.56%)
Apr 23, 2012	19.52	19.61	19.46	19.48	1,429,034	+0.17(+0.88%)
Apr 20, 2012	19.38	19.39	19.26	19.31	1,626,393	-0.22(-1.13%)
Apr 19, 2012	19.63	19.65	19.48	19.53	1,080,411	-0.05(-0.26%)
Apr 18, 2012	19.73	19.74	19.53	19.58	2,095,207	+0.04(+0.20%)
Apr 17, 2012	19.54	19.62	19.47	19.54	1,285,609	+0.01(+0.05%)
Apr 16, 2012	19.80	19.86	19.49	19.53	2,530,878	-0.18(-0.91%)
Apr 13, 2012	19.55	19.73	19.55	19.71	2,059,230	+0.32(+1.65%)
Apr 12, 2012	19.49	19.49	19.30	19.39	1,862,838	-0.24(-1.22%)
Apr 11, 2012	19.52	19.67	19.49	19.63	2,132,809	-0.07(-0.36%)
Apr 10, 2012	19.68	19.79	19.61	19.70	2,568,395	+0.09(+0.46%)
Apr 09, 2012	19.80	19.80	19.55	19.61	1,049,699	-0.16(-0.81%)
Apr 05, 2012	19.81	19.82	19.73	19.77	1,062,892	+0.22(+1.13%)
Apr 04, 2012	19.57	19.61	19.51	19.55	1,785,142	+0.29(+1.51%)
Apr 03, 2012	19.01	19.33	18.94	19.26	1,932,158	+0.28(+1.48%)
Apr 02, 2012	19.12	19.13	18.96	18.98	920,435	+0.01(+0.05%)
Mar 30, 2012	18.94	19.05	18.91	18.97	1,207,764	-0.13(-0.68%)
Mar 29, 2012	19.17	19.20	19.08	19.10	1,069,206	+0.08(+0.42%)
Mar 28, 2012	19.01	19.15	18.98	19.02	1,441,683	-0.01(-0.05%)
Mar 27, 2012	18.98	19.03	18.94	19.03	1,043,615	+0.13(+0.69%)
Mar 26, 2012	19.05	19.05	18.88	18.90	2,415,177	-0.28(-1.46%)
Mar 23, 2012	19.27	19.31	19.12	19.18	2,098,864	-0.24(-1.24%)
Mar 22, 2012	19.54	19.54	19.37	19.42	1,966,257	+0.08(+0.41%)
Mar 21, 2012	19.28	19.44	19.21	19.34	1,674,554	+0.04(+0.21%)
Mar 20, 2012	19.38	19.41	19.22	19.30	1,426,501	+0.05(+0.26%)
Mar 19, 2012	19.51	19.53	19.18	19.25	3,190,254	-0.23(-1.18%)
Mar 16, 2012	19.60	19.61	19.41	19.48	2,829,060	-0.24(-1.22%)
Mar 15, 2012	19.81	19.85	19.62	19.72	1,813,656	-0.18(-0.90%)
Mar 14, 2012	19.82	19.95	19.78	19.90	2,424,996	+0.13(+0.66%)
Mar 13, 2012	19.79	19.81	19.61	19.77	3,048,972	+0.23(+1.18%)
Mar 12, 2012	19.61	19.67	19.51	19.54	1,306,306	-0.10(-0.51%)
Mar 09, 2012	19.59	19.70	19.56	19.64	2,410,878	+0.44(+2.29%)
Mar 08, 2012	19.32	19.32	19.12	19.20	1,958,453	-0.36(-1.84%)
Mar 07, 2012	19.66	19.71	19.51	19.56	1,621,848	-0.11(-0.56%)
Mar 06, 2012	19.63	19.70	19.60	19.67	2,374,377	+0.31(+1.60%)
Mar 05, 2012	19.33	19.40	19.29	19.36	1,343,311	-0.03(-0.15%)
Mar 02, 2012	19.34	19.45	19.34	19.39	2,238,840	+0.27(+1.41%)
Mar 01, 2012	19.12	19.14	19.02	19.12	1,573,753	+0.04(+0.21%)
Feb 29, 2012	18.71	19.09	18.66	19.08	3,812,947	+0.41(+2.20%)
Feb 28, 2012	18.75	18.88	18.64	18.67	2,166,040	-0.19(-1.01%)
Feb 27, 2012	18.93	18.95	18.80	18.86	2,334,469	+0.18(+0.96%)
Feb 24, 2012	18.80	18.80	18.61	18.68	3,037,589	-0.25(-1.32%)
Feb 23, 2012	19.17	19.23	18.93	18.93	3,269,184	-0.38(-1.97%)
Feb 22, 2012	19.34	19.40	19.24	19.31	1,349,397	+0.00(+0.00%)
Feb 21, 2012	19.31	19.38	19.21	19.31	2,063,127	-0.25(-1.28%)
Feb 17, 2012	19.46	19.62	19.45	19.56	1,654,103	-0.06(-0.31%)
Feb 16, 2012	19.99	20.01	19.57	19.62	5,635,781	-0.21(-1.06%)
Feb 15, 2012	19.73	19.91	19.72	19.83	2,853,410	+0.15(+0.76%)
Feb 14, 2012	19.55	19.80	19.51	19.68	2,059,918	+0.21(+1.08%)
Feb 13, 2012	19.31	19.49	19.31	19.47	1,847,753	-0.08(-0.41%)
Feb 10, 2012	19.51	19.56	19.47	19.55	2,120,093	+0.35(+1.82%)
Feb 09, 2012	19.15	19.25	19.10	19.20	3,099,230	-0.08(-0.41%)
Feb 08, 2012	19.32	19.39	19.21	19.28	3,562,414	-0.04(-0.21%)
Feb 07, 2012	19.51	19.53	19.25	19.32	3,185,919	-0.34(-1.73%)
Feb 06, 2012	19.89	19.91	19.63	19.66	3,056,675	+0.04(+0.20%)
Feb 03, 2012	19.80	19.82	19.55	19.62	3,333,337	+0.00(+0.00%)
Feb 02, 2012	19.64	19.68	19.50	19.62	1,996,801	+0.02(+0.10%)
Feb 01, 2012	19.57	19.62	19.41	19.60	3,330,019	-0.24(-1.21%)
Jan 31, 2012	19.58	19.94	19.56	19.84	2,292,638	+0.14(+0.71%)
Jan 30, 2012	19.78	19.81	19.65	19.70	2,515,768	+0.29(+1.49%)
Jan 27, 2012	19.76	19.77	19.41	19.41	4,273,180	-0.35(-1.77%)
Jan 26, 2012	19.57	19.80	19.52	19.76	3,742,786	+0.03(+0.15%)
Jan 25, 2012	20.18	20.25	19.71	19.73	4,431,516	-0.27(-1.35%)
Jan 24, 2012	20.18	20.22	20.00	20.00	2,484,161	+0.00(+0.00%)
Jan 23, 2012	20.03	20.08	19.92	20.00	4,420,282	-0.29(-1.43%)
Jan 20, 2012	20.35	20.39	20.25	20.29	3,449,338	+0.10(+0.50%)
Jan 19, 2012	20.42	20.49	20.19	20.19	4,976,817	-0.34(-1.66%)
Jan 18, 2012	20.67	20.72	20.53	20.53	4,921,966	-0.42(-2.00%)
Jan 17, 2012	21.01	21.03	20.89	20.95	2,701,378	-0.18(-0.85%)
Jan 13, 2012	21.08	21.31	21.05	21.13	4,141,439	+0.46(+2.23%)
Jan 12, 2012	20.77	20.81	20.60	20.67	6,656,243	-0.41(-1.94%)
Jan 11, 2012	21.08	21.21	21.05	21.08	3,252,067	+0.24(+1.15%)
Jan 10, 2012	20.80	20.88	20.75	20.84	2,470,956	-0.02(-0.10%)
Jan 09, 2012	20.91	21.03	20.84	20.86	2,863,563	-0.15(-0.71%)
Jan 06, 2012	20.94	21.11	20.93	21.01	4,553,802	+0.22(+1.06%)
Jan 05, 2012	20.74	20.85	20.72	20.79	4,421,530	+0.47(+2.31%)
Jan 04, 2012	20.31	20.46	20.26	20.32	2,246,283	-0.03(-0.15%)
Dec 30, 2011	20.18	20.38	20.17	20.35	2,582,646	+0.09(+0.44%)
Dec 29, 2011	20.43	20.46	20.26	20.26	2,236,079	-0.09(-0.44%)
Dec 28, 2011	20.10	20.42	20.10	20.35	4,289,368	+0.40(+2.01%)
Dec 27, 2011	19.97	19.98	19.91	19.95	959,680	-0.08(-0.40%)
Dec 23, 2011	20.01	20.07	19.97	20.03	1,026,820	+0.01(+0.05%)
Dec 21, 2011	20.01	20.07	19.90	20.02	2,365,783	+0.11(+0.55%)
Dec 20, 2011	19.78	19.96	19.75	19.91	4,040,836	-0.27(-1.34%)
Dec 19, 2011	20.10	20.21	20.06	20.18	3,142,611	+0.15(+0.74%)
Dec 16, 2011	20.02	20.16	20.00	20.03	4,094,343	-0.09(-0.44%)
Dec 15, 2011	20.02	20.21	20.02	20.12	3,982,261	-0.08(-0.40%)
Dec 14, 2011	20.21	20.32	20.11	20.20	7,567,438	+0.13(+0.65%)
Dec 13, 2011	19.62	20.13	19.52	20.07	6,537,924	+0.48(+2.45%)
Dec 12, 2011	19.41	19.67	19.40	19.59	3,513,311	+0.52(+2.73%)
Dec 09, 2011	19.18	19.19	19.02	19.07	2,246,403	-0.10(-0.52%)
Dec 08, 2011	19.20	19.32	19.08	19.17	3,053,656	+0.18(+0.95%)
Dec 07, 2011	19.12	19.14	18.92	18.99	3,428,520	-0.03(-0.16%)
Dec 06, 2011	19.10	19.10	18.95	19.02	2,773,857	+0.01(+0.05%)
Dec 05, 2011	18.79	19.08	18.76	19.01	3,704,986	+0.02(+0.09%)
Dec 02, 2011	18.73	19.12	18.72	18.99	2,549,477	+0.15(+0.81%)
Dec 01, 2011	18.78	18.89	18.69	18.84	2,263,015	-0.08(-0.42%)
Nov 30, 2011	18.75	18.96	18.73	18.92	5,890,749	-0.30(-1.56%)
Nov 29, 2011	19.27	19.29	19.10	19.22	2,891,703	-0.06(-0.31%)
Nov 28, 2011	19.06	19.33	19.03	19.28	3,843,840	-0.22(-1.13%)
Nov 25, 2011	19.46	19.54	19.33	19.50	2,981,230	+0.28(+1.46%)
Nov 23, 2011	19.02	19.27	19.02	19.22	5,814,466	+0.50(+2.67%)
Nov 22, 2011	18.72	18.81	18.64	18.72	3,596,385	-0.05(-0.27%)
Nov 21, 2011	18.85	18.93	18.66	18.77	4,736,852	+0.05(+0.27%)
Nov 18, 2011	18.58	18.78	18.56	18.72	4,207,674	-0.15(-0.79%)
Nov 17, 2011	18.72	18.91	18.65	18.87	4,407,911	+0.03(+0.16%)
Nov 16, 2011	18.80	18.84	18.62	18.84	3,762,982	+0.16(+0.86%)
Nov 15, 2011	18.64	18.78	18.57	18.68	4,006,669	+0.24(+1.30%)
Nov 14, 2011	18.37	18.52	18.34	18.44	3,801,922	+0.34(+1.88%)
Nov 11, 2011	18.28	18.30	17.98	18.10	4,153,595	-0.40(-2.16%)
Nov 10, 2011	18.44	18.65	18.42	18.50	5,942,573	-0.16(-0.86%)
Nov 09, 2011	18.50	18.73	18.50	18.66	8,244,297	+0.75(+4.19%)
Nov 08, 2011	17.98	18.10	17.88	17.91	2,801,368	-0.14(-0.78%)
Nov 07, 2011	18.09	18.21	17.97	18.05	3,174,356	-0.05(-0.28%)
Nov 04, 2011	18.09	18.24	18.00	18.10	3,329,822	+0.13(+0.72%)
Nov 03, 2011	18.13	18.39	17.87	17.97	5,401,307	-0.21(-1.16%)
Nov 02, 2011	18.00	18.26	17.93	18.18	3,577,619	-0.13(-0.71%)
Nov 01, 2011	18.47	18.50	18.12	18.31	8,187,336	+0.37(+2.06%)
Oct 31, 2011	17.52	17.95	17.51	17.94	5,193,683	+0.79(+4.61%)
Oct 28, 2011	17.18	17.21	17.08	17.15	3,244,204	+0.07(+0.41%)
Oct 27, 2011	17.21	17.29	16.93	17.08	12,550,801	-0.74(-4.15%)
Oct 26, 2011	17.68	18.08	17.65	17.82	5,736,414	+0.00(+0.00%)
Oct 25, 2011	17.79	17.96	17.72	17.82	5,609,660	+0.05(+0.28%)
Oct 24, 2011	18.01	18.01	17.68	17.77	3,333,428	-0.06(-0.34%)
Oct 21, 2011	17.89	18.04	17.83	17.83	4,463,504	-0.31(-1.71%)
Oct 20, 2011	18.20	18.47	18.11	18.14	4,723,535	-0.09(-0.49%)
Oct 19, 2011	18.04	18.27	18.03	18.23	3,715,264	+0.04(+0.22%)
Oct 18, 2011	18.36	18.49	18.05	18.19	6,963,974	-0.06(-0.33%)
Oct 17, 2011	18.11	18.28	18.09	18.25	4,481,994	+0.35(+1.96%)
Oct 14, 2011	17.94	18.01	17.85	17.90	6,027,212	-0.25(-1.38%)
Oct 13, 2011	18.28	18.41	18.11	18.15	3,389,291	+0.00(+0.00%)
Oct 12, 2011	18.20	18.24	18.02	18.15	4,437,736	-0.29(-1.57%)
Oct 11, 2011	18.66	18.72	18.43	18.44	3,056,171	-0.06(-0.32%)
Oct 10, 2011	18.60	18.63	18.38	18.50	6,791,935	-0.80(-4.15%)
Oct 07, 2011	19.02	19.35	18.88	19.30	7,237,940	+0.21(+1.10%)
Oct 06, 2011	19.18	19.53	19.09	19.09	4,799,887	-0.30(-1.55%)
Oct 05, 2011	19.46	19.60	19.29	19.39	4,438,880	-0.08(-0.41%)
Oct 04, 2011	19.84	19.94	19.47	19.47	7,700,117	-0.37(-1.86%)
Oct 03, 2011	19.48	19.86	19.39	19.84	6,683,002	+0.56(+2.90%)
Sep 30, 2011	19.17	19.28	19.09	19.28	5,080,809	+0.54(+2.88%)
Sep 29, 2011	18.64	18.85	18.54	18.74	3,344,899	-0.13(-0.69%)
Sep 28, 2011	18.68	18.91	18.60	18.87	4,063,601	+0.12(+0.64%)
Sep 27, 2011	18.62	18.77	18.52	18.75	6,968,995	-0.22(-1.16%)
Sep 26, 2011	19.07	19.25	18.92	18.97	5,906,302	+0.03(+0.16%)
Sep 23, 2011	19.07	19.13	18.88	18.94	5,759,347	-0.15(-0.79%)
Sep 22, 2011	19.13	19.26	18.93	19.09	10,044,939	+0.34(+1.81%)
Sep 21, 2011	18.54	18.77	18.21	18.75	5,414,837	+0.20(+1.08%)
Sep 20, 2011	18.54	18.62	18.41	18.55	3,550,509	+0.04(+0.22%)
Sep 19, 2011	18.69	18.77	18.41	18.51	5,046,579	+0.28(+1.54%)
Sep 16, 2011	18.18	18.30	18.09	18.23	4,499,731	+0.25(+1.39%)
Sep 15, 2011	17.99	18.15	17.93	17.98	8,038,866	-0.36(-1.97%)
Sep 14, 2011	18.43	18.66	18.26	18.34	4,608,993	-0.15(-0.81%)
Sep 13, 2011	18.60	18.61	18.38	18.49	5,324,279	-0.09(-0.50%)
Sep 12, 2011	18.65	18.88	18.50	18.59	11,556,198	-0.02(-0.08%)
Sep 09, 2011	18.37	18.69	18.36	18.60	11,610,155	+0.58(+3.22%)
Sep 08, 2011	17.78	18.04	17.68	18.02	5,321,098	+0.55(+3.15%)
Sep 07, 2011	17.68	17.71	17.47	17.47	3,342,777	-0.27(-1.52%)
Sep 06, 2011	17.64	17.81	17.52	17.74	7,576,900	+0.46(+2.67%)
Sep 02, 2011	17.21	17.30	17.16	17.28	3,327,931	+0.18(+1.05%)
Sep 01, 2011	17.06	17.20	16.99	17.10	1,905,034	+0.22(+1.30%)
Aug 31, 2011	16.71	16.88	16.69	16.88	2,111,082	+0.20(+1.20%)
Aug 30, 2011	16.72	16.78	16.64	16.68	1,562,328	+0.13(+0.79%)
Aug 29, 2011	16.49	16.59	16.46	16.55	1,280,260	-0.04(-0.24%)
Aug 26, 2011	16.77	16.97	16.57	16.59	3,357,227	-0.25(-1.48%)
Aug 25, 2011	16.71	16.98	16.69	16.84	2,039,203	+0.09(+0.54%)
Aug 24, 2011	16.73	16.83	16.62	16.75	1,786,328	+0.04(+0.24%)
Aug 23, 2011	16.76	16.86	16.70	16.71	2,657,361	-0.19(-1.12%)
Aug 22, 2011	16.75	16.90	16.74	16.90	2,091,300	+0.08(+0.48%)
Aug 19, 2011	16.80	16.86	16.69	16.82	3,209,846	-0.15(-0.88%)
Aug 18, 2011	16.93	17.11	16.92	16.97	4,503,983	+0.24(+1.43%)
Aug 17, 2011	16.61	16.76	16.54	16.73	3,617,823	-0.07(-0.42%)
Aug 16, 2011	16.82	16.87	16.66	16.80	3,606,480	+0.06(+0.36%)
Aug 15, 2011	16.82	16.84	16.64	16.74	4,320,341	-0.46(-2.67%)
Aug 12, 2011	17.15	17.28	17.09	17.20	1,821,146	-0.04(-0.23%)
Aug 11, 2011	17.31	17.36	17.08	17.24	4,706,385	-0.11(-0.63%)
Aug 10, 2011	17.20	17.40	17.20	17.35	5,615,085	+0.34(+2.00%)
Aug 09, 2011	17.37	17.33	16.96	17.01	4,447,140	-0.29(-1.68%)
Aug 08, 2011	17.41	17.50	17.22	17.30	5,112,494	+0.17(+0.99%)
Aug 05, 2011	17.30	17.48	17.10	17.13	5,240,209	-0.41(-2.34%)
Aug 04, 2011	17.42	17.57	17.38	17.54	7,370,893	+0.46(+2.69%)
Aug 03, 2011	17.09	17.23	17.02	17.08	2,657,007	-0.27(-1.56%)
Aug 02, 2011	17.33	17.42	17.17	17.35	3,340,496	+0.11(+0.64%)

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