Date	Open	High	Low	Close	Volume	Change (%)
Aug 31, 2012	15.55	15.63	15.43	15.45	3,257,216	+0.01(+0.06%)
Aug 30, 2012	15.46	15.50	15.38	15.44	4,407,870	-0.06(-0.39%)
Aug 29, 2012	15.44	15.56	15.28	15.50	4,000,783	+0.00(+0.00%)
Aug 27, 2012	15.57	15.71	15.44	15.50	3,207,921	-0.06(-0.39%)
Aug 24, 2012	15.43	15.64	15.39	15.56	4,154,547	+0.06(+0.39%)
Aug 23, 2012	15.83	15.89	15.46	15.50	5,200,193	-0.43(-2.70%)
Aug 22, 2012	16.04	16.12	15.84	15.93	3,680,530	-0.12(-0.75%)
Aug 21, 2012	16.19	16.35	16.02	16.05	4,661,256	-0.16(-0.99%)
Aug 20, 2012	15.95	16.22	15.83	16.21	4,755,992	+0.25(+1.57%)
Aug 17, 2012	15.93	16.03	15.78	15.96	5,805,500	+0.05(+0.31%)
Aug 16, 2012	16.08	16.13	15.87	15.91	3,514,500	-0.12(-0.75%)
Aug 15, 2012	15.97	16.11	15.93	16.03	2,536,428	+0.01(+0.06%)
Aug 14, 2012	15.95	16.12	15.89	16.02	5,142,525	+0.17(+1.07%)
Aug 13, 2012	15.95	16.10	15.73	15.85	2,554,599	-0.43(-2.64%)
Aug 10, 2012	16.35	16.40	16.13	16.28	3,276,205	-0.16(-0.97%)
Aug 09, 2012	16.17	16.61	16.07	16.44	5,853,007	+0.22(+1.36%)
Aug 08, 2012	16.00	16.23	15.82	16.22	4,474,627	+0.20(+1.25%)
Aug 07, 2012	15.66	16.22	15.53	16.02	5,665,947	+0.43(+2.76%)
Aug 06, 2012	14.93	15.64	14.86	15.59	8,780,660	+0.70(+4.70%)
Aug 03, 2012	14.79	14.93	14.73	14.89	18,296,874	+0.44(+3.04%)
Aug 02, 2012	15.13	15.24	14.45	14.45	14,499,306	-0.85(-5.56%)
Aug 01, 2012	15.00	15.46	14.82	15.30	18,928,910	-0.19(-1.23%)
Jul 31, 2012	15.44	15.60	15.28	15.49	6,865,761	+0.04(+0.26%)
Jul 30, 2012	16.01	16.01	15.42	15.45	6,315,525	-0.72(-4.45%)
Jul 27, 2012	15.79	16.25	15.71	16.17	5,386,739	+0.48(+3.06%)
Jul 26, 2012	15.35	15.72	15.30	15.69	5,457,527	+0.53(+3.50%)
Jul 25, 2012	15.29	15.40	15.06	15.16	4,872,635	-0.11(-0.72%)
Jul 24, 2012	15.15	15.29	15.01	15.27	5,405,040	+0.09(+0.59%)
Jul 23, 2012	15.55	15.70	15.10	15.18	5,706,391	-0.55(-3.50%)
Jul 20, 2012	16.43	16.43	15.24	15.73	43,480,612	-0.88(-5.30%)
Jul 19, 2012	16.34	16.69	16.18	16.61	8,066,371	+0.39(+2.40%)
Jul 18, 2012	16.37	16.42	16.07	16.22	9,994,245	-0.23(-1.40%)
Jul 17, 2012	15.92	16.98	15.65	16.45	17,399,474	+0.61(+3.85%)
Jul 16, 2012	15.41	15.93	15.21	15.84	7,463,374	+0.65(+4.28%)
Jul 13, 2012	15.30	15.51	15.06	15.19	7,667,550	-0.05(-0.33%)
Jul 12, 2012	15.42	15.44	15.10	15.24	7,364,746	-0.26(-1.68%)
Jul 11, 2012	15.83	15.98	15.45	15.50	4,284,134	-0.31(-1.96%)
Jul 10, 2012	16.07	16.18	15.70	15.81	4,380,301	-0.21(-1.31%)
Jul 09, 2012	16.41	16.46	15.86	16.02	4,180,637	-0.45(-2.73%)
Jul 06, 2012	16.35	16.72	16.30	16.47	4,637,563	-0.18(-1.08%)
Jul 05, 2012	15.72	16.80	15.72	16.65	7,269,689	+0.70(+4.39%)
Jul 03, 2012	15.70	16.00	15.57	15.95	2,011,960	+0.20(+1.27%)
Jul 02, 2012	16.17	16.20	15.70	15.75	5,632,165	-0.46(-2.84%)
Jun 29, 2012	15.68	16.22	15.60	16.21	7,901,577	+0.76(+4.92%)
Jun 28, 2012	15.17	15.46	15.11	15.45	4,348,471	+0.22(+1.44%)
Jun 27, 2012	15.18	15.32	15.14	15.23	2,658,405	+0.09(+0.59%)
Jun 26, 2012	15.26	15.34	15.04	15.14	8,211,708	+0.04(+0.26%)
Jun 25, 2012	15.37	15.37	14.89	15.10	3,212,894	-0.40(-2.58%)
Jun 22, 2012	15.66	15.66	15.37	15.50	3,687,836	-0.03(-0.19%)
Jun 21, 2012	16.17	16.19	15.45	15.53	5,555,871	-0.60(-3.72%)
Jun 20, 2012	15.76	16.21	15.61	16.13	4,659,041	+0.43(+2.74%)
Jun 19, 2012	15.63	15.90	15.64	15.70	3,159,979	+0.07(+0.45%)
Jun 18, 2012	15.75	15.75	15.26	15.63	3,917,904	-0.16(-1.01%)
Jun 15, 2012	15.70	15.91	15.62	15.79	5,693,491	+0.15(+0.96%)
Jun 14, 2012	15.64	15.73	15.43	15.64	3,833,278	+0.04(+0.26%)
Jun 13, 2012	15.68	15.94	15.54	15.60	3,305,448	-0.20(-1.27%)
Jun 12, 2012	15.90	16.04	15.63	15.80	4,727,238	-0.06(-0.38%)
Jun 11, 2012	15.99	16.05	15.78	15.86	3,476,558	-0.03(-0.19%)
Jun 08, 2012	16.32	16.32	15.86	15.89	4,027,032	-0.36(-2.22%)
Jun 07, 2012	16.36	16.50	16.20	16.25	4,558,443	-0.06(-0.37%)
Jun 06, 2012	15.94	16.34	15.94	16.31	11,661,672	+0.44(+2.77%)
Jun 05, 2012	15.65	15.92	15.60	15.87	2,742,287	+0.17(+1.08%)
Jun 04, 2012	15.72	15.88	15.60	15.70	3,855,118	+0.03(+0.19%)
Jun 01, 2012	16.28	16.32	15.60	15.67	9,025,770	-0.88(-5.32%)
May 31, 2012	16.34	16.69	16.07	16.55	7,679,398	+0.37(+2.29%)
May 30, 2012	16.55	16.56	16.15	16.18	4,829,579	-0.57(-3.40%)
May 29, 2012	16.71	16.81	16.62	16.75	4,238,037	+0.16(+0.96%)
May 25, 2012	16.54	16.73	16.48	16.59	3,291,589	-0.13(-0.78%)
May 24, 2012	16.87	16.93	16.50	16.72	4,635,733	+0.13(+0.78%)
May 23, 2012	16.77	16.78	16.18	16.59	8,465,101	-0.21(-1.25%)
May 22, 2012	16.79	16.96	16.61	16.80	7,083,988	+0.03(+0.18%)
May 21, 2012	16.44	16.94	16.10	16.77	10,361,489	-0.18(-1.06%)
May 18, 2012	17.88	17.93	16.84	16.95	9,485,722	-0.80(-4.51%)
May 17, 2012	18.69	18.77	17.70	17.75	9,094,553	-0.93(-4.98%)
May 16, 2012	18.62	19.16	18.48	18.68	9,650,926	-0.03(-0.16%)
May 15, 2012	18.10	21.85	18.10	18.71	36,657,264	-2.25(-10.73%)
May 14, 2012	21.19	21.38	20.87	20.96	10,604,360	+0.77(+3.81%)
May 11, 2012	20.97	21.18	19.83	20.19	39,926,712	-0.70(-3.35%)
May 10, 2012	22.05	22.12	20.28	20.89	43,078,236	-0.71(-3.29%)
May 09, 2012	19.55	22.13	19.45	21.60	18,587,060	+1.83(+9.26%)
May 08, 2012	20.00	20.20	19.76	19.77	6,458,394	-0.30(-1.49%)
May 07, 2012	20.36	20.36	19.94	20.07	4,263,473	-0.50(-2.43%)
May 04, 2012	21.13	21.23	20.27	20.57	11,784,789	-0.43(-2.05%)
May 03, 2012	19.84	22.71	19.65	21.00	8,398,187	+1.09(+5.47%)
May 02, 2012	19.52	20.13	19.52	19.91	5,492,392	+0.04(+0.20%)
May 01, 2012	20.84	21.00	19.55	19.87	17,795,228	-1.73(-8.01%)
Apr 30, 2012	21.52	21.60	21.50	21.60	3,873,869	+0.03(+0.14%)
Apr 27, 2012	21.82	22.00	21.54	21.57	3,817,131	-0.23(-1.06%)
Apr 26, 2012	21.82	21.86	21.70	21.80	4,756,620	-0.04(-0.18%)
Apr 25, 2012	21.65	21.92	21.50	21.84	4,435,683	+0.20(+0.92%)
Apr 24, 2012	21.67	21.90	21.53	21.64	3,312,038	-0.05(-0.23%)
Apr 23, 2012	21.77	21.85	21.45	21.69	4,284,942	-0.31(-1.41%)
Apr 20, 2012	22.23	22.23	21.94	22.00	7,033,536	-0.19(-0.86%)
Apr 19, 2012	21.98	22.42	21.91	22.19	9,767,781	+0.34(+1.56%)
Apr 18, 2012	22.54	22.70	21.81	21.85	7,931,354	-0.70(-3.10%)
Apr 17, 2012	23.09	23.24	22.51	22.55	7,716,257	-0.48(-2.08%)
Apr 16, 2012	23.18	23.31	22.98	23.03	14,549,825	-0.49(-2.08%)
Apr 13, 2012	23.04	23.58	22.86	23.52	6,168,027	+0.45(+1.95%)
Apr 12, 2012	22.70	23.11	22.63	23.07	4,996,450	+0.36(+1.59%)
Apr 11, 2012	23.02	23.23	22.39	22.71	9,135,310	+0.49(+2.21%)
Apr 10, 2012	22.68	22.89	22.19	22.22	9,755,176	-0.47(-2.07%)
Apr 09, 2012	22.55	22.90	22.40	22.69	9,446,390	-0.73(-3.12%)
Apr 05, 2012	22.64	23.50	22.64	23.42	17,937,898	+0.67(+2.95%)
Apr 04, 2012	22.15	23.00	22.06	22.75	14,264,148	+0.56(+2.52%)
Apr 03, 2012	22.83	23.24	22.10	22.19	16,659,038	-0.51(-2.25%)
Apr 02, 2012	23.16	23.38	21.81	22.70	65,280,044	+3.34(+17.25%)
Mar 30, 2012	19.30	19.42	19.14	19.36	3,033,292	+0.18(+0.94%)
Mar 29, 2012	19.13	19.24	19.01	19.18	3,416,656	-0.09(-0.47%)
Mar 28, 2012	19.38	19.38	19.17	19.27	3,142,559	-0.13(-0.67%)
Mar 27, 2012	19.21	19.40	19.08	19.40	3,447,061	+0.23(+1.20%)
Mar 26, 2012	19.23	19.34	19.00	19.17	3,016,786	+0.08(+0.42%)
Mar 23, 2012	18.85	19.16	18.73	19.09	3,098,290	+0.25(+1.33%)
Mar 22, 2012	18.62	18.84	18.53	18.84	4,588,333	+0.14(+0.75%)
Mar 21, 2012	18.90	18.90	18.57	18.70	3,507,104	-0.16(-0.85%)
Mar 20, 2012	18.90	18.94	18.69	18.86	3,312,044	-0.10(-0.53%)
Mar 19, 2012	18.84	19.04	18.81	18.96	3,090,897	+0.01(+0.05%)
Mar 16, 2012	19.03	19.03	18.78	18.95	4,833,173	-0.09(-0.47%)
Mar 15, 2012	18.82	19.05	18.79	19.04	2,547,338	+0.22(+1.17%)
Mar 14, 2012	18.80	18.94	18.76	18.82	2,127,524	+0.03(+0.16%)
Mar 13, 2012	18.55	18.83	18.49	18.79	2,594,252	+0.45(+2.45%)
Mar 12, 2012	18.54	18.69	18.29	18.34	2,310,851	-0.23(-1.24%)
Mar 09, 2012	18.24	18.70	18.13	18.57	4,487,543	+0.32(+1.75%)
Mar 08, 2012	18.20	18.36	18.15	18.25	2,409,862	+0.14(+0.77%)
Mar 07, 2012	18.18	18.29	18.11	18.11	3,125,156	-0.07(-0.39%)
Mar 06, 2012	18.54	18.59	18.09	18.18	5,180,951	-0.44(-2.36%)
Mar 05, 2012	18.60	18.73	18.55	18.62	2,965,981	-0.03(-0.16%)
Mar 02, 2012	18.83	18.84	18.64	18.65	2,450,970	-0.16(-0.85%)
Mar 01, 2012	18.72	18.86	18.68	18.81	3,139,152	+0.12(+0.64%)
Feb 29, 2012	18.84	18.98	18.64	18.69	4,055,308	-0.09(-0.48%)
Feb 28, 2012	18.79	18.82	18.54	18.78	5,045,574	-0.01(-0.05%)
Feb 27, 2012	18.80	18.93	18.70	18.79	2,357,501	-0.13(-0.69%)
Feb 24, 2012	19.14	19.16	18.87	18.92	11,981,259	-0.20(-1.05%)
Feb 23, 2012	19.09	19.25	19.09	19.12	3,693,148	-0.04(-0.21%)
Feb 22, 2012	18.83	19.23	18.83	19.16	5,494,374	+0.00(+0.00%)
Feb 21, 2012	19.29	19.29	19.10	19.16	6,113,979	-0.03(-0.16%)
Feb 17, 2012	19.80	19.83	19.00	19.19	9,882,473	-0.44(-2.24%)
Feb 16, 2012	18.66	19.64	18.66	19.63	11,438,263	+1.01(+5.42%)
Feb 15, 2012	18.03	18.67	17.86	18.62	14,016,194	+0.82(+4.61%)
Feb 14, 2012	16.96	18.48	16.87	17.80	22,395,854	+0.27(+1.54%)
Feb 13, 2012	18.05	18.15	17.46	17.53	19,240,300	-0.34(-1.90%)
Feb 10, 2012	18.07	18.15	17.83	17.87	11,253,192	-0.28(-1.54%)
Feb 09, 2012	18.13	18.24	17.97	18.15	10,712,979	+0.04(+0.22%)
Feb 08, 2012	18.24	18.41	18.07	18.11	5,941,591	-0.09(-0.49%)
Feb 07, 2012	18.39	18.41	18.16	18.20	4,974,077	-0.26(-1.41%)
Feb 06, 2012	18.45	18.55	18.41	18.46	4,595,064	-0.06(-0.32%)
Feb 03, 2012	18.52	18.77	18.50	18.52	4,201,804	+0.08(+0.43%)
Feb 02, 2012	18.28	18.45	18.18	18.44	4,415,165	+0.20(+1.10%)
Feb 01, 2012	17.85	18.38	17.83	18.24	5,532,110	+0.47(+2.64%)
Jan 31, 2012	18.38	18.45	17.50	17.77	15,386,709	-0.21(-1.17%)
Jan 30, 2012	18.27	18.33	17.90	17.98	4,786,298	-0.38(-2.07%)
Jan 27, 2012	18.43	18.45	18.25	18.36	2,453,573	-0.10(-0.54%)
Jan 26, 2012	18.50	18.67	18.36	18.46	4,328,006	+0.05(+0.27%)
Jan 25, 2012	18.27	18.47	18.26	18.41	5,256,118	+0.10(+0.55%)
Jan 24, 2012	18.41	18.50	18.23	18.31	4,307,124	-0.17(-0.92%)
Jan 23, 2012	18.60	18.66	18.42	18.48	4,321,805	-0.10(-0.54%)
Jan 20, 2012	18.30	18.67	18.23	18.58	6,832,173	+0.36(+1.98%)
Jan 19, 2012	17.93	18.26	17.75	18.22	6,612,703	+0.38(+2.13%)
Jan 18, 2012	17.80	17.89	17.68	17.84	4,463,837	+0.01(+0.06%)
Jan 17, 2012	17.69	17.97	17.65	17.83	4,623,734	+0.31(+1.77%)
Jan 13, 2012	17.74	17.77	17.45	17.52	3,220,050	-0.36(-2.01%)
Jan 12, 2012	17.86	18.02	17.81	17.88	5,312,190	-0.01(-0.06%)
Jan 11, 2012	17.85	17.93	17.72	17.89	2,139,711	+0.02(+0.11%)
Jan 10, 2012	17.68	17.96	17.68	17.87	4,824,371	+0.29(+1.65%)
Jan 09, 2012	17.63	17.72	17.45	17.58	11,828,984	+0.04(+0.23%)
Jan 06, 2012	17.48	17.64	17.47	17.54	2,503,459	+0.07(+0.40%)
Jan 05, 2012	17.39	17.51	17.20	17.47	4,734,827	+0.06(+0.34%)
Jan 04, 2012	17.63	17.72	17.37	17.41	2,967,333	-0.06(-0.34%)
Dec 30, 2011	17.55	17.56	17.44	17.47	2,447,749	+0.03(+0.17%)
Dec 29, 2011	17.23	17.47	17.19	17.44	1,783,359	+0.27(+1.57%)
Dec 28, 2011	17.37	17.41	17.13	17.17	1,996,975	-0.20(-1.15%)
Dec 27, 2011	17.37	17.50	17.34	17.37	1,727,452	-0.11(-0.63%)
Dec 23, 2011	17.12	17.48	17.12	17.48	2,495,640	+0.31(+1.81%)
Dec 21, 2011	16.87	17.18	16.82	17.17	2,908,062	+0.27(+1.60%)
Dec 20, 2011	16.66	16.93	16.66	16.90	5,363,520	+0.43(+2.61%)
Dec 19, 2011	16.84	16.84	16.42	16.47	3,933,879	-0.25(-1.50%)
Dec 16, 2011	16.90	16.90	16.41	16.72	12,203,639	-0.01(-0.06%)
Dec 15, 2011	16.96	16.99	16.64	16.73	6,139,491	-0.23(-1.36%)
Dec 14, 2011	17.45	17.93	16.94	16.96	20,724,700	+0.82(+5.08%)
Dec 13, 2011	16.62	16.70	16.13	16.14	8,815,565	-0.39(-2.36%)
Dec 12, 2011	16.52	16.72	16.41	16.53	4,335,406	-0.05(-0.30%)
Dec 09, 2011	16.82	16.95	16.58	16.58	6,250,382	-0.22(-1.31%)
Dec 08, 2011	17.17	17.17	16.77	16.80	4,300,629	-0.50(-2.89%)
Dec 07, 2011	16.94	17.38	16.90	17.30	4,187,585	+0.27(+1.59%)
Dec 06, 2011	17.01	17.15	16.84	17.03	4,393,258	+0.03(+0.18%)
Dec 05, 2011	16.92	17.11	16.70	17.00	5,901,956	+0.33(+1.98%)
Dec 02, 2011	16.87	17.06	16.67	16.67	5,167,334	-0.07(-0.42%)
Dec 01, 2011	16.98	17.23	16.73	16.74	5,594,949	-0.26(-1.53%)
Nov 30, 2011	17.00	17.11	16.81	17.00	6,616,878	+0.42(+2.53%)
Nov 29, 2011	16.50	16.83	16.47	16.58	4,429,655	+0.13(+0.79%)
Nov 28, 2011	16.47	16.62	16.32	16.45	4,649,736	+0.36(+2.24%)
Nov 25, 2011	16.24	16.34	16.09	16.09	2,421,738	-0.27(-1.65%)
Nov 23, 2011	16.49	16.49	16.20	16.36	3,832,496	-0.23(-1.39%)
Nov 22, 2011	16.61	16.84	16.51	16.59	3,745,465	-0.10(-0.60%)
Nov 21, 2011	16.72	16.93	16.45	16.69	6,850,655	-0.15(-0.89%)
Nov 18, 2011	17.14	17.21	16.68	16.84	8,148,616	-0.23(-1.35%)
Nov 17, 2011	17.51	17.69	17.02	17.07	8,378,816	-0.46(-2.62%)
Nov 16, 2011	17.71	17.82	17.50	17.53	5,801,473	-0.08(-0.45%)
Nov 15, 2011	17.82	17.86	17.44	17.61	11,133,660	-0.24(-1.34%)
Nov 14, 2011	18.17	18.26	17.75	17.85	6,554,762	-0.38(-2.08%)
Nov 11, 2011	18.33	18.40	18.17	18.23	4,379,179	+0.10(+0.55%)
Nov 10, 2011	18.54	18.55	18.09	18.13	6,701,358	-0.47(-2.53%)
Nov 09, 2011	18.63	18.73	18.42	18.60	5,644,389	-0.40(-2.11%)
Nov 08, 2011	18.84	19.04	18.50	19.00	4,935,840	+0.28(+1.50%)
Nov 07, 2011	18.55	18.80	18.32	18.72	9,531,345	+0.20(+1.08%)
Nov 04, 2011	18.08	18.55	18.07	18.52	12,292,383	+0.24(+1.31%)
Nov 03, 2011	18.17	18.42	17.74	18.28	14,567,008	+0.44(+2.47%)
Nov 02, 2011	17.96	18.05	17.65	17.84	8,328,713	+0.18(+1.02%)
Nov 01, 2011	17.66	17.96	17.55	17.66	8,988,274	-0.62(-3.39%)
Oct 31, 2011	18.57	18.75	18.03	18.28	9,001,616	-0.59(-3.13%)
Oct 28, 2011	18.76	19.18	18.42	18.87	12,139,587	+0.06(+0.32%)
Oct 27, 2011	19.97	20.09	18.51	18.81	31,517,720	-4.20(-18.25%)
Oct 26, 2011	23.49	23.60	22.85	23.01	6,523,905	-0.05(-0.22%)
Oct 25, 2011	23.80	23.82	23.03	23.06	3,419,578	-0.79(-3.31%)
Oct 24, 2011	23.40	23.94	23.25	23.85	3,798,904	+0.41(+1.75%)
Oct 21, 2011	22.75	23.44	22.75	23.44	4,212,424	+0.83(+3.67%)
Oct 20, 2011	22.48	22.70	22.12	22.61	2,917,245	+0.13(+0.58%)
Oct 19, 2011	22.61	22.86	22.46	22.48	3,830,442	-0.09(-0.40%)
Oct 18, 2011	22.03	22.84	21.73	22.57	5,429,986	+0.51(+2.31%)
Oct 17, 2011	22.23	22.26	21.82	22.06	3,383,847	-0.24(-1.08%)
Oct 14, 2011	22.23	22.49	22.01	22.30	3,246,562	+0.31(+1.41%)
Oct 13, 2011	22.32	22.32	21.65	21.99	4,277,314	+0.11(+0.50%)
Oct 12, 2011	21.45	22.10	21.36	21.88	4,374,796	+0.56(+2.63%)
Oct 11, 2011	20.71	21.35	20.68	21.32	4,569,315	+0.46(+2.21%)
Oct 10, 2011	20.18	20.86	20.17	20.86	3,551,723	+1.04(+5.25%)
Oct 07, 2011	20.51	20.58	19.67	19.82	4,021,217	-0.60(-2.94%)
Oct 06, 2011	20.01	20.42	20.00	20.42	3,391,000	+0.75(+3.81%)
Oct 05, 2011	19.34	19.71	19.15	19.67	3,597,495	+0.41(+2.13%)
Oct 04, 2011	18.63	19.29	18.17	19.26	5,564,421	+0.29(+1.53%)
Oct 03, 2011	19.25	19.64	18.96	18.97	4,307,522	-0.63(-3.21%)
Sep 30, 2011	19.55	20.03	19.51	19.60	3,722,445	-0.23(-1.16%)
Sep 29, 2011	19.96	20.25	19.51	19.83	3,976,145	+0.22(+1.12%)
Sep 28, 2011	20.51	20.52	19.50	19.61	5,058,106	-0.84(-4.11%)
Sep 27, 2011	20.76	20.96	20.31	20.45	3,929,601	+0.20(+0.99%)
Sep 26, 2011	20.22	20.30	19.74	20.25	2,654,871	+0.31(+1.55%)
Sep 23, 2011	19.84	20.12	19.60	19.94	4,516,744	-0.04(-0.20%)
Sep 22, 2011	20.23	20.46	19.86	19.98	7,768,694	-1.03(-4.90%)
Sep 21, 2011	21.70	21.75	20.85	21.01	5,354,114	-0.72(-3.31%)
Sep 20, 2011	21.79	22.25	21.66	21.73	3,839,960	+0.12(+0.56%)
Sep 19, 2011	21.71	21.73	21.32	21.61	2,439,068	-0.49(-2.22%)
Sep 16, 2011	21.81	22.12	21.64	22.10	3,713,111	+0.49(+2.27%)
Sep 15, 2011	21.69	21.75	21.36	21.61	4,490,052	+0.25(+1.17%)
Sep 14, 2011	21.33	21.69	20.91	21.36	6,587,037	+0.02(+0.09%)
Sep 13, 2011	21.22	21.41	21.05	21.34	4,573,260	+0.14(+0.66%)
Sep 12, 2011	20.88	21.25	20.80	21.20	5,091,940	+0.10(+0.47%)
Sep 09, 2011	21.58	21.62	21.00	21.10	4,054,941	-0.55(-2.54%)
Sep 08, 2011	21.93	22.27	21.63	21.65	2,216,143	-0.45(-2.04%)
Sep 07, 2011	21.58	22.10	21.58	22.10	2,472,103	+0.86(+4.05%)
Sep 06, 2011	20.87	21.36	20.87	21.24	3,361,630	-0.24(-1.12%)
Sep 02, 2011	21.76	21.92	21.43	21.48	2,628,864	-0.64(-2.89%)

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