Date	Open	High	Low	Close	Volume	Change (%)
Aug 31, 2012	21.57	21.66	21.31	21.42	532,378	-0.03(-0.13%)
Aug 30, 2012	21.58	21.67	21.43	21.45	337,104	-0.24(-1.09%)
Aug 29, 2012	21.56	21.77	21.47	21.69	531,105	+0.02(+0.10%)
Aug 27, 2012	21.91	22.03	21.62	21.67	535,762	-0.15(-0.69%)
Aug 24, 2012	21.60	22.01	21.60	21.82	304,184	+0.12(+0.56%)
Aug 23, 2012	21.80	21.93	21.57	21.70	302,461	-0.19(-0.85%)
Aug 22, 2012	22.10	22.24	21.83	21.88	271,092	-0.27(-1.23%)
Aug 21, 2012	22.19	22.61	22.08	22.15	473,898	+0.05(+0.23%)
Aug 20, 2012	21.98	22.24	21.97	22.10	355,110	+0.05(+0.23%)
Aug 17, 2012	21.75	22.09	21.61	22.05	473,506	+0.31(+1.42%)
Aug 16, 2012	21.60	21.81	21.54	21.75	359,013	+0.11(+0.50%)
Aug 15, 2012	21.52	21.73	21.52	21.64	586,245	+0.04(+0.17%)
Aug 14, 2012	21.94	22.00	21.52	21.60	645,189	-0.21(-0.95%)
Aug 13, 2012	21.63	21.81	21.45	21.81	302,511	+0.12(+0.56%)
Aug 10, 2012	21.83	21.83	21.57	21.69	294,192	-0.16(-0.72%)
Aug 09, 2012	22.04	22.21	21.80	21.85	429,784	-0.26(-1.17%)
Aug 08, 2012	21.89	22.24	21.87	22.10	399,762	+0.14(+0.65%)
Aug 07, 2012	21.92	22.31	21.41	21.96	543,771	+0.20(+0.92%)
Aug 06, 2012	21.67	22.03	21.57	21.76	459,683	+0.11(+0.53%)
Aug 03, 2012	21.18	21.77	21.12	21.65	531,879	+0.65(+3.11%)
Aug 02, 2012	21.11	21.15	20.71	20.99	613,702	-0.29(-1.35%)
Aug 01, 2012	21.93	22.04	21.27	21.28	778,770	-0.57(-2.62%)
Jul 31, 2012	21.29	21.96	21.27	21.85	1,078,714	+0.46(+2.14%)
Jul 30, 2012	21.07	21.43	21.04	21.39	672,455	+0.37(+1.77%)
Jul 27, 2012	20.79	21.73	20.07	21.02	1,738,347	+0.01(+0.03%)
Jul 26, 2012	21.47	21.47	20.97	21.01	644,425	-0.11(-0.51%)
Jul 25, 2012	21.15	21.27	20.90	21.12	765,693	+0.10(+0.48%)
Jul 24, 2012	21.42	21.46	20.83	21.02	583,509	-0.29(-1.38%)
Jul 23, 2012	21.39	21.49	21.20	21.32	443,914	-0.41(-1.88%)
Jul 20, 2012	21.86	21.93	21.67	21.72	533,132	-0.29(-1.34%)
Jul 19, 2012	22.20	22.26	21.99	22.02	418,182	-0.09(-0.42%)
Jul 18, 2012	22.04	22.46	21.99	22.11	623,793	+0.02(+0.10%)
Jul 17, 2012	22.18	22.33	21.85	22.09	577,005	+0.00(+0.00%)
Jul 16, 2012	22.18	22.24	21.98	22.09	562,282	-0.16(-0.74%)
Jul 13, 2012	21.98	22.45	21.98	22.25	467,361	+0.28(+1.27%)
Jul 12, 2012	21.79	22.12	21.70	21.98	599,196	+0.04(+0.20%)
Jul 11, 2012	21.94	21.99	21.77	21.93	500,537	+0.06(+0.26%)
Jul 10, 2012	22.17	22.31	21.75	21.87	539,531	-0.18(-0.81%)
Jul 09, 2012	21.98	22.08	21.76	22.05	565,213	+0.03(+0.13%)
Jul 06, 2012	22.22	22.27	21.97	22.03	480,822	-0.37(-1.66%)
Jul 05, 2012	22.39	22.69	22.37	22.40	423,338	-0.14(-0.64%)
Jul 03, 2012	22.23	22.58	22.02	22.54	253,193	+0.23(+1.03%)
Jul 02, 2012	21.89	22.31	21.72	22.31	608,687	+0.49(+2.23%)
Jun 29, 2012	21.91	22.00	21.72	21.82	832,572	+0.30(+1.40%)
Jun 28, 2012	21.19	21.53	20.95	21.52	643,787	+0.04(+0.20%)
Jun 27, 2012	21.13	21.56	21.04	21.48	598,137	+0.47(+2.25%)
Jun 26, 2012	20.93	21.22	20.63	21.01	572,121	+0.09(+0.41%)
Jun 25, 2012	20.84	20.96	20.58	20.92	689,518	-0.27(-1.29%)
Jun 22, 2012	20.79	21.24	20.76	21.19	971,399	+0.52(+2.50%)
Jun 21, 2012	21.24	21.32	20.65	20.68	577,486	-0.52(-2.47%)
Jun 20, 2012	21.24	21.51	21.09	21.20	552,849	-0.14(-0.64%)
Jun 19, 2012	21.05	21.43	20.91	21.34	716,380	+0.39(+1.88%)
Jun 18, 2012	20.81	21.17	20.73	20.94	653,259	-0.02(-0.10%)
Jun 15, 2012	20.77	21.06	20.63	20.96	1,709,329	+0.19(+0.90%)
Jun 14, 2012	20.66	20.86	20.53	20.78	730,709	+0.14(+0.69%)
Jun 13, 2012	20.48	20.92	20.44	20.63	940,013	+0.06(+0.28%)
Jun 12, 2012	20.48	20.68	20.30	20.58	792,893	+0.17(+0.81%)
Jun 11, 2012	21.15	21.15	20.41	20.41	680,690	-0.52(-2.50%)
Jun 08, 2012	20.55	21.09	20.43	20.94	482,399	+0.36(+1.74%)
Jun 07, 2012	20.58	20.87	20.46	20.58	595,714	+0.21(+1.02%)
Jun 06, 2012	20.31	20.44	20.18	20.37	960,111	+0.30(+1.50%)
Jun 05, 2012	20.07	20.46	20.04	20.07	708,933	-0.16(-0.82%)
Jun 04, 2012	20.56	20.57	20.12	20.23	453,260	-0.27(-1.33%)
Jun 01, 2012	21.06	21.17	20.43	20.51	840,295	-1.18(-5.45%)
May 31, 2012	21.39	21.78	21.13	21.69	947,780	+0.34(+1.60%)
May 30, 2012	21.47	21.57	21.26	21.35	535,422	-0.33(-1.54%)
May 29, 2012	21.40	21.71	21.21	21.68	984,259	+0.54(+2.56%)
May 25, 2012	21.20	21.55	21.09	21.14	667,872	-0.06(-0.30%)
May 24, 2012	21.18	21.21	20.76	21.20	681,341	+0.06(+0.27%)
May 23, 2012	20.83	21.18	20.64	21.15	1,290,955	+0.18(+0.88%)
May 22, 2012	21.11	21.50	20.82	20.96	1,017,559	+0.12(+0.58%)
May 21, 2012	20.81	21.03	20.49	20.84	1,156,454	+0.40(+1.95%)
May 18, 2012	20.82	20.93	20.42	20.44	1,349,363	-0.36(-1.71%)
May 17, 2012	21.43	21.58	20.75	20.80	1,624,118	-0.83(-3.83%)
May 16, 2012	22.08	22.25	21.62	21.63	652,402	-0.28(-1.28%)
May 15, 2012	22.15	22.35	21.76	21.91	852,601	-0.29(-1.31%)
May 14, 2012	22.41	22.55	22.20	22.20	850,523	-0.42(-1.86%)
May 11, 2012	22.73	23.08	22.56	22.62	711,116	-0.25(-1.09%)
May 10, 2012	22.70	22.98	22.68	22.87	1,077,101	+0.34(+1.52%)
May 09, 2012	22.34	22.58	22.20	22.53	699,185	-0.07(-0.32%)
May 08, 2012	22.44	22.66	22.31	22.60	618,446	-0.06(-0.25%)
May 07, 2012	22.24	22.73	22.23	22.66	481,078	+0.31(+1.37%)
May 04, 2012	22.76	22.76	22.28	22.35	816,624	-0.45(-1.97%)
May 03, 2012	22.96	23.15	22.68	22.80	779,443	-0.23(-0.99%)
May 02, 2012	22.78	23.14	22.63	23.03	1,214,082	+0.09(+0.40%)
May 01, 2012	22.82	23.17	22.76	22.93	1,448,934	+0.05(+0.22%)
Apr 30, 2012	23.52	23.59	22.78	22.88	1,942,179	-0.73(-3.07%)
Apr 27, 2012	24.26	24.26	23.09	23.61	2,852,716	-2.25(-8.72%)
Apr 26, 2012	25.69	26.01	25.53	25.86	480,384	+0.12(+0.47%)
Apr 25, 2012	25.55	25.82	25.16	25.74	924,958	+0.48(+1.89%)
Apr 24, 2012	24.88	25.48	24.87	25.27	729,548	+0.50(+2.01%)
Apr 23, 2012	24.68	24.96	24.55	24.77	518,018	-0.36(-1.42%)
Apr 20, 2012	25.25	25.58	25.08	25.12	872,105	+0.29(+1.17%)
Apr 19, 2012	24.77	25.20	24.47	24.83	869,791	+0.14(+0.58%)
Apr 18, 2012	25.07	25.11	24.65	24.69	480,516	-0.55(-2.20%)
Apr 17, 2012	24.72	25.52	24.72	25.25	972,801	+0.74(+3.02%)
Apr 16, 2012	24.26	24.57	24.07	24.51	505,464	+0.31(+1.29%)
Apr 13, 2012	24.90	24.98	24.17	24.19	612,144	-0.88(-3.52%)
Apr 12, 2012	24.97	25.26	24.97	25.07	468,991	+0.07(+0.28%)
Apr 11, 2012	24.71	25.00	24.61	25.00	736,407	+0.60(+2.45%)
Apr 10, 2012	24.41	24.55	24.17	24.41	1,212,582	-0.11(-0.46%)
Apr 09, 2012	24.51	24.78	24.38	24.52	581,516	-0.46(-1.82%)
Apr 05, 2012	25.18	25.32	24.97	24.97	422,840	-0.29(-1.15%)
Apr 04, 2012	25.46	25.57	25.09	25.27	585,809	-0.36(-1.39%)
Apr 03, 2012	25.65	25.76	25.31	25.62	472,497	-0.06(-0.25%)
Apr 02, 2012	25.22	25.73	25.09	25.69	689,957	+0.43(+1.69%)
Mar 30, 2012	25.79	25.79	25.26	25.26	454,711	-0.26(-1.00%)
Mar 29, 2012	25.59	25.65	25.04	25.52	486,397	-0.31(-1.21%)
Mar 28, 2012	25.71	26.13	25.36	25.83	601,207	+0.10(+0.39%)
Mar 27, 2012	25.91	26.07	25.73	25.73	566,875	-0.13(-0.50%)
Mar 26, 2012	25.56	25.86	25.39	25.86	651,224	+0.60(+2.39%)
Mar 23, 2012	25.10	25.30	24.83	25.25	385,043	+0.14(+0.54%)
Mar 22, 2012	25.24	25.34	24.84	25.12	402,679	-0.39(-1.53%)
Mar 21, 2012	25.66	25.71	25.34	25.51	391,704	-0.09(-0.36%)
Mar 20, 2012	25.36	25.82	25.22	25.60	648,747	-0.01(-0.03%)
Mar 19, 2012	25.39	25.96	25.05	25.61	1,122,228	+0.17(+0.67%)
Mar 16, 2012	25.65	25.79	25.34	25.44	1,628,667	-0.27(-1.05%)
Mar 15, 2012	25.28	25.84	25.00	25.71	992,000	+0.53(+2.11%)
Mar 14, 2012	25.45	25.69	25.00	25.18	727,373	-0.32(-1.24%)
Mar 13, 2012	24.71	25.51	24.46	25.49	756,346	+1.07(+4.37%)
Mar 12, 2012	24.61	24.61	24.24	24.43	563,330	-0.13(-0.52%)
Mar 09, 2012	24.31	24.85	24.21	24.56	718,463	+0.27(+1.11%)
Mar 08, 2012	24.08	24.38	23.89	24.28	647,095	+0.44(+1.85%)
Mar 07, 2012	23.53	23.93	23.36	23.84	754,726	+0.42(+1.79%)
Mar 06, 2012	23.73	23.88	23.37	23.42	915,519	-0.61(-2.55%)
Mar 05, 2012	23.89	24.15	23.66	24.04	453,530	+0.04(+0.15%)
Mar 02, 2012	24.33	24.36	23.67	24.00	949,591	-0.31(-1.29%)
Mar 01, 2012	24.11	24.54	24.04	24.31	733,587	+0.31(+1.30%)
Feb 29, 2012	23.98	24.26	23.82	24.00	903,336	+0.06(+0.27%)
Feb 28, 2012	24.09	24.40	23.72	23.94	613,999	-0.17(-0.70%)
Feb 27, 2012	23.56	24.42	23.43	24.11	569,054	+0.35(+1.46%)
Feb 24, 2012	24.06	24.35	23.65	23.76	614,567	-0.32(-1.32%)
Feb 23, 2012	23.60	24.18	23.46	24.08	783,440	+0.47(+2.00%)
Feb 22, 2012	24.05	24.16	23.59	23.60	476,570	-0.49(-2.02%)
Feb 21, 2012	24.35	24.35	23.87	24.09	671,561	-0.24(-0.99%)
Feb 17, 2012	24.81	24.81	24.28	24.33	487,019	-0.31(-1.26%)
Feb 16, 2012	23.87	24.75	23.78	24.64	867,273	+0.83(+3.50%)
Feb 15, 2012	23.84	24.21	23.31	23.81	522,927	+0.04(+0.15%)
Feb 14, 2012	23.99	24.06	23.46	23.77	601,461	-0.28(-1.17%)
Feb 13, 2012	24.02	24.16	23.87	24.06	368,154	+0.38(+1.61%)
Feb 10, 2012	23.85	23.85	23.50	23.68	589,142	-0.39(-1.61%)
Feb 09, 2012	24.09	24.16	23.84	24.06	507,322	+0.02(+0.09%)
Feb 08, 2012	24.13	24.29	23.80	24.04	429,334	-0.04(-0.15%)
Feb 07, 2012	24.07	24.35	23.96	24.08	437,331	-0.07(-0.29%)
Feb 06, 2012	24.28	24.32	23.96	24.15	309,706	-0.22(-0.90%)
Feb 03, 2012	24.36	24.69	24.01	24.37	825,587	+0.40(+1.68%)
Feb 02, 2012	23.77	24.13	23.60	23.96	620,690	+0.14(+0.61%)
Feb 01, 2012	23.54	24.17	23.54	23.82	1,064,290	+0.37(+1.58%)
Jan 31, 2012	23.54	23.66	23.30	23.45	968,262	+0.16(+0.70%)
Jan 30, 2012	22.81	23.40	22.54	23.29	1,065,370	+0.61(+2.68%)
Jan 27, 2012	22.73	23.27	22.29	22.68	1,417,894	-0.75(-3.20%)
Jan 26, 2012	24.58	24.59	23.22	23.43	1,253,448	-1.06(-4.33%)
Jan 25, 2012	24.09	24.61	23.73	24.49	865,688	+0.39(+1.61%)
Jan 24, 2012	24.18	24.35	23.99	24.10	811,177	-0.19(-0.79%)
Jan 23, 2012	24.45	24.69	24.16	24.29	539,482	-0.20(-0.81%)
Jan 20, 2012	24.24	24.52	24.07	24.49	487,539	+0.19(+0.78%)
Jan 19, 2012	24.53	24.57	24.10	24.30	562,077	-0.23(-0.92%)
Jan 18, 2012	24.37	24.56	24.17	24.52	501,239	+0.16(+0.67%)
Jan 17, 2012	24.57	24.72	24.20	24.36	724,851	-0.12(-0.49%)
Jan 13, 2012	23.94	24.54	23.94	24.48	821,133	+0.06(+0.26%)
Jan 12, 2012	24.24	24.45	23.96	24.42	516,767	+0.21(+0.88%)
Jan 11, 2012	23.97	24.30	23.97	24.21	657,594	+0.07(+0.29%)
Jan 10, 2012	24.19	24.37	23.83	24.13	1,164,758	+0.26(+1.09%)
Jan 09, 2012	23.41	23.91	23.24	23.87	775,058	+0.64(+2.74%)
Jan 06, 2012	23.29	23.43	22.80	23.24	516,580	-0.04(-0.18%)
Jan 05, 2012	22.85	23.58	22.56	23.28	760,163	+0.32(+1.38%)
Jan 04, 2012	22.60	23.06	22.33	22.96	618,761	+0.38(+1.69%)
Dec 30, 2011	22.94	22.99	22.54	22.58	402,862	-0.36(-1.57%)
Dec 29, 2011	22.55	23.02	22.51	22.94	411,065	+0.34(+1.50%)
Dec 28, 2011	23.02	23.07	22.28	22.60	706,625	-0.36(-1.57%)
Dec 27, 2011	22.76	23.20	22.61	22.96	311,255	+0.14(+0.62%)
Dec 23, 2011	22.93	23.01	22.71	22.82	399,356	+0.44(+1.96%)
Dec 21, 2011	21.94	22.44	21.82	22.38	796,706	+0.21(+0.96%)
Dec 20, 2011	21.99	22.34	21.87	22.17	964,973	+0.65(+3.02%)
Dec 19, 2011	22.21	22.52	21.42	21.52	919,501	-0.68(-3.05%)
Dec 16, 2011	21.51	22.35	21.37	22.20	3,436,409	+0.64(+2.98%)
Dec 15, 2011	21.25	21.60	21.03	21.56	628,402	+0.72(+3.46%)
Dec 14, 2011	21.25	21.57	20.80	20.84	762,649	-0.61(-2.83%)
Dec 13, 2011	22.07	22.19	21.21	21.44	742,796	-0.41(-1.87%)
Dec 12, 2011	21.82	21.89	21.42	21.85	1,201,167	-0.35(-1.56%)
Dec 09, 2011	21.56	22.33	21.31	22.20	1,059,288	+0.75(+3.49%)
Dec 08, 2011	21.87	21.87	21.10	21.45	1,296,302	-0.61(-2.78%)
Dec 07, 2011	21.51	22.15	21.11	22.07	957,312	+0.41(+1.89%)
Dec 06, 2011	21.57	21.90	21.44	21.66	758,653	+0.08(+0.39%)
Dec 05, 2011	21.66	21.90	21.45	21.57	589,623	+0.32(+1.50%)
Dec 02, 2011	21.27	21.80	21.21	21.25	482,640	+0.32(+1.55%)
Dec 01, 2011	21.22	21.61	20.92	20.93	764,491	-0.47(-2.19%)
Nov 30, 2011	20.88	21.42	20.03	21.40	953,122	+1.36(+6.80%)
Nov 29, 2011	19.96	20.30	19.83	20.03	384,883	+0.07(+0.35%)
Nov 28, 2011	19.96	20.00	19.61	19.96	572,420	+0.64(+3.30%)
Nov 25, 2011	19.32	19.71	19.07	19.33	245,852	-0.03(-0.14%)
Nov 23, 2011	19.85	19.85	19.14	19.35	591,171	-0.72(-3.60%)
Nov 22, 2011	20.16	20.35	19.68	20.08	386,450	-0.07(-0.35%)
Nov 21, 2011	20.67	20.67	19.89	20.15	687,655	-0.85(-4.04%)
Nov 18, 2011	20.78	21.11	20.60	20.99	414,784	+0.15(+0.71%)
Nov 17, 2011	20.98	21.40	20.67	20.85	538,535	-0.13(-0.63%)
Nov 16, 2011	21.18	21.65	20.92	20.98	602,571	-0.37(-1.74%)
Nov 15, 2011	20.83	21.54	20.75	21.35	543,716	+0.41(+1.97%)
Nov 14, 2011	21.46	21.53	20.64	20.94	630,202	-0.57(-2.64%)
Nov 11, 2011	21.27	21.79	21.14	21.51	466,335	+0.53(+2.54%)
Nov 10, 2011	21.37	21.46	20.83	20.97	598,830	-0.10(-0.47%)
Nov 09, 2011	21.55	21.72	20.97	21.07	806,123	-1.07(-4.81%)
Nov 08, 2011	21.88	22.25	21.42	22.14	592,629	+0.43(+1.97%)
Nov 07, 2011	21.34	21.76	21.03	21.71	560,096	+0.32(+1.51%)
Nov 04, 2011	21.20	21.45	20.87	21.39	535,675	-0.06(-0.26%)
Nov 03, 2011	21.20	21.60	20.52	21.44	760,258	+0.51(+2.44%)
Nov 02, 2011	20.74	21.18	20.38	20.93	854,166	+0.55(+2.72%)
Nov 01, 2011	20.39	21.10	20.15	20.38	1,310,251	-0.86(-4.03%)
Oct 31, 2011	21.56	21.91	21.06	21.23	934,262	-0.73(-3.32%)
Oct 28, 2011	22.09	22.27	21.76	21.96	1,037,086	-0.16(-0.73%)
Oct 27, 2011	22.20	22.75	21.93	22.12	1,604,714	+0.78(+3.68%)
Oct 26, 2011	21.47	21.50	20.84	21.34	845,616	+0.33(+1.57%)
Oct 25, 2011	22.56	23.04	20.81	21.01	1,810,742	-2.33(-10.00%)
Oct 24, 2011	22.84	23.63	22.67	23.34	1,504,057	+0.48(+2.08%)
Oct 21, 2011	22.96	22.98	22.32	22.87	5,143,037	+0.36(+1.62%)
Oct 20, 2011	21.81	22.54	21.41	22.50	1,053,086	+0.69(+3.15%)
Oct 19, 2011	21.51	22.04	21.16	21.81	1,312,178	+0.25(+1.14%)
Oct 18, 2011	20.27	21.72	20.15	21.57	768,948	+1.42(+7.06%)
Oct 17, 2011	20.77	21.03	20.06	20.15	1,118,479	-0.81(-3.88%)
Oct 14, 2011	20.69	21.13	20.44	20.96	533,412	+0.48(+2.36%)
Oct 13, 2011	20.55	20.67	20.06	20.48	350,807	-0.25(-1.18%)
Oct 12, 2011	20.42	21.10	20.31	20.72	667,957	+0.46(+2.25%)
Oct 11, 2011	20.06	20.45	19.94	20.27	558,667	+0.04(+0.17%)
Oct 10, 2011	19.65	20.26	19.35	20.23	640,696	+1.00(+5.21%)
Oct 07, 2011	20.11	20.17	19.15	19.23	755,184	-0.82(-4.09%)
Oct 06, 2011	19.87	20.08	19.10	20.05	675,644	+0.47(+2.40%)
Oct 05, 2011	19.32	19.75	18.99	19.58	704,581	+0.25(+1.31%)
Oct 04, 2011	18.00	19.40	17.79	19.33	1,257,584	+1.16(+6.36%)
Oct 03, 2011	18.62	18.94	18.05	18.17	1,060,565	-0.62(-3.28%)
Sep 30, 2011	19.31	19.69	18.77	18.79	549,029	-0.73(-3.73%)
Sep 29, 2011	19.03	19.54	18.82	19.52	596,434	+0.95(+5.13%)
Sep 28, 2011	19.54	19.88	18.54	18.56	649,155	-0.93(-4.75%)
Sep 27, 2011	19.80	20.17	19.30	19.49	595,996	+0.09(+0.47%)
Sep 26, 2011	18.98	19.42	18.59	19.40	543,912	+0.60(+3.21%)
Sep 23, 2011	18.58	19.08	18.56	18.79	1,027,801	+0.17(+0.90%)
Sep 22, 2011	18.22	18.86	17.95	18.63	1,006,741	-0.07(-0.37%)
Sep 21, 2011	19.61	19.61	18.63	18.70	1,299,497	-0.94(-4.78%)
Sep 20, 2011	20.00	20.21	19.63	19.64	520,936	-0.31(-1.55%)
Sep 19, 2011	20.13	20.50	19.75	19.94	429,368	-0.64(-3.10%)
Sep 16, 2011	20.48	20.76	20.14	20.58	862,052	-0.05(-0.24%)
Sep 15, 2011	20.65	20.67	20.24	20.63	421,213	+0.26(+1.27%)
Sep 14, 2011	20.17	20.60	19.65	20.37	788,104	+0.41(+2.07%)
Sep 13, 2011	19.96	20.60	19.71	19.96	638,057	+0.06(+0.32%)
Sep 12, 2011	19.21	19.96	19.14	19.89	621,318	+0.33(+1.68%)
Sep 09, 2011	20.28	20.48	19.38	19.57	818,520	-0.70(-3.46%)
Sep 08, 2011	20.50	20.78	20.03	20.27	636,393	-0.50(-2.43%)
Sep 07, 2011	20.01	20.93	19.78	20.77	1,137,024	+1.21(+6.20%)
Sep 06, 2011	19.02	19.60	18.93	19.56	982,229	-0.13(-0.68%)
Sep 02, 2011	20.22	20.42	19.57	19.69	687,468	-1.00(-4.81%)

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