Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	23.19	23.25	23.07	23.21	4,158,076	-0.05(-0.22%)
Apr 27, 2012	23.39	23.51	23.22	23.26	5,825,864	-0.02(-0.09%)
Apr 26, 2012	23.00	23.40	22.96	23.28	5,789,650	+0.21(+0.89%)
Apr 25, 2012	22.89	23.15	22.83	23.07	6,938,432	+0.37(+1.61%)
Apr 24, 2012	22.43	22.74	22.41	22.71	6,118,954	+0.33(+1.46%)
Apr 23, 2012	22.31	22.47	22.26	22.38	5,860,718	-0.28(-1.22%)
Apr 20, 2012	22.83	22.98	22.64	22.66	8,848,103	+0.05(+0.20%)
Apr 19, 2012	22.52	22.82	22.46	22.61	10,170,628	+0.05(+0.20%)
Apr 18, 2012	22.14	22.74	22.10	22.57	9,241,473	+0.20(+0.88%)
Apr 17, 2012	22.05	22.46	21.46	22.37	12,631,933	+0.44(+1.99%)
Apr 16, 2012	21.86	22.07	21.66	21.93	6,163,961	+0.25(+1.13%)
Apr 13, 2012	22.11	22.15	21.67	21.69	6,607,746	-0.50(-2.24%)
Apr 12, 2012	21.76	22.22	21.73	22.18	5,794,384	+0.43(+1.99%)
Apr 11, 2012	21.90	22.00	21.70	21.75	4,521,360	+0.16(+0.74%)
Apr 10, 2012	21.94	22.09	21.58	21.59	6,216,105	-0.41(-1.87%)
Apr 09, 2012	22.01	22.10	21.79	22.00	7,684,147	-0.37(-1.66%)
Apr 05, 2012	22.32	22.56	22.24	22.37	4,897,981	-0.02(-0.09%)
Apr 04, 2012	22.77	22.80	22.30	22.39	7,512,434	-0.65(-2.83%)
Apr 03, 2012	22.96	23.06	22.63	23.05	5,430,359	+0.01(+0.04%)
Apr 02, 2012	22.76	23.16	22.65	23.04	5,457,962	+0.19(+0.84%)
Mar 30, 2012	22.78	22.86	22.51	22.85	4,963,186	+0.22(+0.98%)
Mar 29, 2012	22.55	22.66	22.33	22.63	5,636,556	-0.09(-0.38%)
Mar 28, 2012	22.67	22.78	22.39	22.71	4,615,601	-0.01(-0.04%)
Mar 27, 2012	23.12	23.18	22.71	22.72	4,341,185	-0.40(-1.73%)
Mar 26, 2012	23.12	23.32	22.98	23.12	5,847,372	+0.33(+1.45%)
Mar 23, 2012	22.48	22.88	22.40	22.79	5,370,007	+0.31(+1.38%)
Mar 22, 2012	22.71	22.79	22.36	22.48	5,609,572	-0.26(-1.14%)
Mar 21, 2012	22.93	23.02	22.74	22.74	4,600,889	-0.18(-0.81%)
Mar 20, 2012	22.70	23.03	22.62	22.93	6,845,664	-0.03(-0.13%)
Mar 19, 2012	22.79	23.22	22.54	22.96	6,866,526	+0.10(+0.44%)
Mar 16, 2012	23.50	23.58	22.75	22.86	10,478,228	-0.04(-0.17%)
Mar 15, 2012	22.44	23.08	22.23	22.90	11,060,230	+0.48(+2.14%)
Mar 14, 2012	22.29	22.44	22.05	22.42	11,804,897	+0.50(+2.30%)
Mar 13, 2012	21.04	22.01	20.97	21.91	11,883,831	+1.09(+5.25%)
Mar 12, 2012	21.01	21.04	20.61	20.82	5,316,050	-0.21(-1.00%)
Mar 09, 2012	20.90	21.15	20.78	21.03	4,500,580	+0.17(+0.81%)
Mar 08, 2012	20.86	20.97	20.67	20.86	5,264,039	+0.17(+0.82%)
Mar 07, 2012	20.52	20.73	20.43	20.69	6,252,768	+0.25(+1.22%)
Mar 06, 2012	20.63	20.77	20.38	20.44	11,686,451	-0.42(-2.01%)
Mar 05, 2012	20.93	20.97	20.65	20.86	4,643,582	-0.11(-0.52%)
Mar 02, 2012	21.22	21.28	20.96	20.97	6,144,083	-0.22(-1.04%)
Mar 01, 2012	21.17	21.39	21.03	21.19	8,408,130	+0.09(+0.45%)
Feb 29, 2012	20.94	21.48	20.94	21.09	14,270,040	+0.10(+0.50%)
Feb 28, 2012	20.66	21.13	20.47	20.99	8,732,634	+0.28(+1.35%)
Feb 27, 2012	20.06	20.80	20.03	20.71	8,370,592	+0.46(+2.29%)
Feb 24, 2012	20.46	20.53	20.21	20.24	6,412,471	-0.16(-0.81%)
Feb 23, 2012	19.76	20.45	19.76	20.41	8,070,698	+0.62(+3.13%)
Feb 22, 2012	19.97	19.97	19.72	19.79	5,480,429	-0.19(-0.97%)
Feb 21, 2012	19.94	20.23	19.89	19.98	5,842,701	-0.12(-0.60%)
Feb 17, 2012	20.20	20.20	19.75	20.10	8,854,039	-0.05(-0.27%)
Feb 16, 2012	19.57	20.19	19.54	20.16	7,283,588	+0.42(+2.13%)
Feb 15, 2012	19.75	19.91	19.61	19.74	5,610,679	+0.03(+0.15%)
Feb 14, 2012	20.06	20.12	19.53	19.71	9,126,334	-0.38(-1.91%)
Feb 13, 2012	20.51	20.59	20.05	20.09	8,161,474	-0.21(-1.06%)
Feb 10, 2012	20.26	20.46	20.22	20.31	4,747,408	-0.22(-1.07%)
Feb 09, 2012	20.90	21.00	20.51	20.53	8,423,715	-0.35(-1.70%)
Feb 08, 2012	20.80	20.90	20.53	20.88	6,057,218	+0.08(+0.41%)
Feb 07, 2012	20.78	20.87	20.55	20.80	5,960,157	-0.09(-0.45%)
Feb 06, 2012	20.98	21.07	20.80	20.89	8,311,312	-0.37(-1.74%)
Feb 03, 2012	20.75	21.38	20.73	21.26	11,838,465	+0.79(+3.88%)
Feb 02, 2012	20.23	20.56	20.06	20.47	9,262,459	+0.39(+1.94%)
Feb 01, 2012	19.73	20.16	19.60	20.08	9,626,495	+0.51(+2.60%)
Jan 31, 2012	19.58	19.60	19.21	19.57	8,570,091	+0.17(+0.90%)
Jan 30, 2012	19.27	19.49	19.08	19.39	7,868,655	-0.11(-0.59%)
Jan 27, 2012	19.25	19.64	19.15	19.51	12,224,973	+0.14(+0.72%)
Jan 26, 2012	19.98	20.06	19.24	19.37	17,868,400	-0.56(-2.83%)
Jan 25, 2012	20.51	20.63	19.80	19.93	18,270,316	-0.70(-3.39%)
Jan 24, 2012	20.65	20.76	20.54	20.63	7,258,035	-0.24(-1.15%)
Jan 23, 2012	20.66	20.94	20.43	20.87	6,707,786	+0.14(+0.70%)
Jan 20, 2012	20.51	20.77	20.33	20.73	7,177,167	+0.22(+1.07%)
Jan 19, 2012	20.07	20.57	19.98	20.51	12,845,043	+0.55(+2.78%)
Jan 18, 2012	20.45	20.48	19.49	19.95	28,426,226	-1.40(-6.55%)
Jan 17, 2012	21.86	21.93	21.25	21.35	11,108,787	-0.09(-0.44%)
Jan 13, 2012	21.40	21.73	21.25	21.45	6,494,551	-0.33(-1.54%)
Jan 12, 2012	21.63	21.81	21.46	21.78	6,743,978	+0.28(+1.30%)
Jan 11, 2012	21.52	21.56	21.33	21.50	5,704,452	-0.06(-0.28%)
Jan 10, 2012	21.13	21.63	21.10	21.56	9,410,171	+0.70(+3.35%)
Jan 09, 2012	20.87	20.97	20.71	20.86	5,512,884	+0.00(+0.02%)
Jan 06, 2012	20.85	20.95	20.60	20.86	4,648,742	+0.00(+0.00%)
Jan 05, 2012	20.41	20.92	20.18	20.86	5,965,541	+0.23(+1.11%)
Jan 04, 2012	20.71	20.74	20.36	20.63	5,941,980	+0.49(+2.46%)
Dec 30, 2011	20.33	20.37	20.12	20.13	3,113,558	-0.23(-1.15%)
Dec 29, 2011	20.05	20.40	20.05	20.37	3,613,516	+0.33(+1.65%)
Dec 28, 2011	20.47	20.51	20.02	20.04	3,925,251	-0.44(-2.14%)
Dec 27, 2011	20.51	20.76	20.48	20.48	3,256,194	-0.10(-0.51%)
Dec 23, 2011	20.49	20.59	20.28	20.58	3,608,246	+0.38(+1.90%)
Dec 21, 2011	20.19	20.25	19.92	20.20	8,017,757	+0.07(+0.35%)
Dec 20, 2011	19.73	20.24	19.67	20.13	8,659,363	+0.72(+3.72%)
Dec 19, 2011	19.96	20.08	19.25	19.41	6,896,802	-0.50(-2.52%)
Dec 16, 2011	19.79	20.20	19.61	19.91	11,790,576	+0.46(+2.38%)
Dec 15, 2011	19.74	19.84	19.43	19.45	5,859,701	-0.06(-0.31%)
Dec 14, 2011	19.49	19.75	19.36	19.51	7,279,310	-0.16(-0.81%)
Dec 13, 2011	20.00	20.19	19.38	19.67	7,422,486	-0.26(-1.30%)
Dec 12, 2011	19.99	20.06	19.79	19.92	7,673,307	-0.43(-2.10%)
Dec 09, 2011	19.93	20.53	19.91	20.35	9,692,665	+0.56(+2.81%)
Dec 08, 2011	20.37	20.39	19.71	19.80	7,617,813	-0.76(-3.70%)
Dec 07, 2011	19.89	20.65	19.64	20.56	8,355,340	+0.53(+2.66%)
Dec 06, 2011	19.93	20.19	19.73	20.02	5,758,549	+0.05(+0.25%)
Dec 05, 2011	20.15	20.37	19.80	19.97	7,210,547	+0.09(+0.48%)
Dec 02, 2011	19.75	20.29	19.71	19.88	6,306,811	+0.38(+1.94%)
Dec 01, 2011	19.57	19.65	19.36	19.50	7,574,639	-0.21(-1.08%)
Nov 30, 2011	18.89	19.76	18.71	19.72	9,204,070	+1.50(+8.22%)
Nov 29, 2011	18.43	18.54	18.15	18.22	7,425,639	-0.13(-0.73%)
Nov 28, 2011	18.15	18.67	18.14	18.35	7,893,784	+0.33(+1.85%)
Nov 25, 2011	18.02	18.39	17.97	18.02	2,823,906	-0.04(-0.25%)
Nov 23, 2011	18.35	18.40	18.05	18.06	7,737,974	-0.46(-2.47%)
Nov 22, 2011	18.44	18.76	18.31	18.52	7,488,743	+0.03(+0.16%)
Nov 21, 2011	18.68	18.89	18.40	18.49	9,782,260	-0.65(-3.40%)
Nov 18, 2011	19.35	19.35	18.97	19.14	9,685,427	-0.02(-0.10%)
Nov 17, 2011	19.65	19.88	19.03	19.16	10,938,355	-0.69(-3.48%)
Nov 16, 2011	20.07	20.42	19.83	19.85	8,031,429	-0.53(-2.61%)
Nov 15, 2011	20.20	20.57	20.08	20.39	6,509,827	+0.05(+0.24%)
Nov 14, 2011	20.35	20.49	20.15	20.34	8,670,949	-0.17(-0.82%)
Nov 11, 2011	20.20	20.61	20.20	20.51	7,738,034	+0.56(+2.82%)
Nov 10, 2011	19.86	20.08	19.58	19.94	9,065,727	+0.33(+1.70%)
Nov 09, 2011	20.19	20.20	19.54	19.61	10,073,428	-1.14(-5.51%)
Nov 08, 2011	20.20	20.81	20.20	20.75	10,712,560	+0.57(+2.81%)
Nov 07, 2011	19.81	20.20	19.80	20.19	7,711,717	+0.30(+1.53%)
Nov 04, 2011	19.74	19.99	19.43	19.88	7,284,764	-0.19(-0.94%)
Nov 03, 2011	20.35	20.35	19.40	20.07	13,010,345	+0.07(+0.35%)
Nov 02, 2011	20.52	20.52	19.65	20.00	12,094,384	+0.73(+3.79%)
Nov 01, 2011	19.44	19.88	19.16	19.27	14,184,695	-0.81(-4.04%)
Oct 31, 2011	20.43	20.67	20.07	20.08	12,263,344	-0.81(-3.86%)
Oct 28, 2011	20.63	20.98	20.53	20.89	9,808,653	+0.06(+0.29%)
Oct 27, 2011	20.45	21.00	20.33	20.83	18,427,830	+1.51(+7.80%)
Oct 26, 2011	19.57	19.68	19.07	19.32	12,521,541	+0.05(+0.28%)
Oct 25, 2011	19.35	19.53	19.05	19.27	9,307,696	-0.32(-1.65%)
Oct 24, 2011	19.28	19.68	19.24	19.59	9,014,663	+0.31(+1.60%)
Oct 21, 2011	19.32	19.44	18.92	19.28	16,426,390	+0.30(+1.57%)
Oct 20, 2011	18.41	19.18	18.31	18.98	14,606,842	+0.63(+3.44%)
Oct 19, 2011	18.55	19.07	18.26	18.35	15,971,810	-0.29(-1.55%)
Oct 18, 2011	17.95	18.67	17.43	18.64	30,415,774	+1.80(+10.69%)
Oct 17, 2011	17.14	17.60	16.82	16.84	15,744,585	-0.01(-0.09%)
Oct 14, 2011	16.76	16.97	16.42	16.86	8,566,002	+0.34(+2.05%)
Oct 13, 2011	16.57	16.77	16.13	16.52	10,209,062	-0.29(-1.72%)
Oct 12, 2011	16.60	17.01	16.55	16.81	10,876,305	+0.35(+2.11%)
Oct 11, 2011	16.34	16.56	16.06	16.46	8,879,682	-0.06(-0.39%)
Oct 10, 2011	16.15	16.53	16.13	16.52	8,326,151	+0.82(+5.19%)
Oct 07, 2011	16.35	16.41	15.69	15.71	11,125,789	-0.51(-3.16%)
Oct 06, 2011	16.17	16.33	15.85	16.22	15,715,653	+0.07(+0.46%)
Oct 05, 2011	15.84	16.30	15.55	16.15	12,116,959	+0.20(+1.28%)
Oct 04, 2011	14.87	15.98	14.85	15.94	18,619,378	+0.84(+5.53%)
Oct 03, 2011	15.56	15.90	15.10	15.11	23,070,118	-0.89(-5.53%)
Sep 30, 2011	16.06	16.34	15.95	15.99	12,093,544	-0.45(-2.75%)
Sep 29, 2011	16.34	16.64	15.90	16.44	10,458,780	+0.51(+3.21%)
Sep 28, 2011	16.57	16.62	15.90	15.93	13,080,148	-0.61(-3.71%)
Sep 27, 2011	16.34	17.00	16.34	16.54	15,459,771	+0.61(+3.85%)
Sep 26, 2011	15.53	15.97	15.30	15.93	10,748,547	+0.63(+4.14%)
Sep 23, 2011	15.34	15.64	15.23	15.30	16,749,555	-0.14(-0.90%)
Sep 22, 2011	15.07	15.59	14.93	15.44	22,308,028	-0.13(-0.83%)
Sep 21, 2011	16.20	16.37	15.57	15.57	14,041,699	-0.59(-3.64%)
Sep 20, 2011	16.29	16.57	16.15	16.15	7,595,699	-0.06(-0.37%)
Sep 19, 2011	16.66	16.69	16.08	16.21	10,737,588	-0.81(-4.76%)
Sep 16, 2011	17.27	17.41	16.81	17.02	9,874,232	-0.01(-0.09%)
Sep 15, 2011	16.63	17.05	16.53	17.04	6,782,682	+0.61(+3.73%)
Sep 14, 2011	16.32	16.65	15.85	16.43	8,458,322	+0.23(+1.40%)
Sep 13, 2011	16.06	16.34	15.76	16.20	9,234,046	+0.18(+1.11%)
Sep 12, 2011	15.59	16.07	15.34	16.02	13,321,740	+0.17(+1.09%)
Sep 09, 2011	16.27	16.44	15.83	15.85	12,064,102	-0.62(-3.75%)
Sep 08, 2011	16.71	16.88	16.37	16.47	8,864,912	-0.45(-2.63%)
Sep 07, 2011	16.45	16.94	16.28	16.91	8,114,000	+0.80(+4.97%)
Sep 06, 2011	15.84	16.17	15.70	16.11	9,480,840	-0.37(-2.25%)
Sep 02, 2011	16.76	16.81	16.45	16.48	6,040,347	-0.73(-4.22%)
Sep 01, 2011	17.51	17.68	17.21	17.21	8,710,303	-0.36(-2.03%)
Aug 31, 2011	17.50	17.79	17.39	17.56	8,070,496	+0.21(+1.20%)
Aug 30, 2011	17.33	17.49	17.05	17.36	8,105,487	-0.11(-0.65%)
Aug 29, 2011	17.10	17.47	17.08	17.47	5,937,985	+0.64(+3.79%)
Aug 26, 2011	16.44	17.00	16.11	16.83	7,864,972	+0.22(+1.34%)
Aug 25, 2011	17.40	17.73	16.35	16.61	10,942,485	-0.24(-1.44%)
Aug 24, 2011	16.30	17.02	16.18	16.85	9,112,807	+0.50(+3.05%)
Aug 23, 2011	15.76	16.35	15.50	16.35	9,228,047	+0.64(+4.09%)
Aug 22, 2011	16.20	16.21	15.67	15.71	8,213,746	-0.07(-0.44%)
Aug 19, 2011	15.96	16.45	15.75	15.78	14,294,135	-0.38(-2.33%)
Aug 18, 2011	16.53	16.56	16.06	16.15	13,700,180	-1.06(-6.15%)
Aug 17, 2011	17.19	17.40	17.06	17.21	8,488,486	+0.11(+0.64%)
Aug 16, 2011	17.10	17.36	16.91	17.10	10,879,487	-0.13(-0.75%)
Aug 15, 2011	17.31	17.57	17.14	17.23	15,366,697	+0.08(+0.49%)
Aug 12, 2011	17.79	18.13	17.10	17.15	13,945,345	-0.45(-2.53%)
Aug 11, 2011	16.63	17.91	16.51	17.59	19,850,418	+1.16(+7.04%)
Aug 10, 2011	17.25	17.27	16.41	16.44	29,757,978	-1.20(-6.79%)
Aug 09, 2011	18.53	17.94	16.76	17.63	27,049,926	+0.41(+2.35%)
Aug 08, 2011	18.53	19.23	17.22	17.23	27,672,602	-1.93(-10.07%)
Aug 05, 2011	19.40	19.55	18.74	19.16	14,652,193	+0.07(+0.39%)
Aug 04, 2011	19.93	20.00	19.05	19.08	14,306,568	-1.12(-5.56%)
Aug 03, 2011	20.04	20.23	19.75	20.20	7,935,675	+0.16(+0.79%)
Aug 02, 2011	20.22	20.49	20.05	20.05	9,846,643	-0.41(-2.01%)
Aug 01, 2011	20.76	20.93	20.13	20.46	8,464,948	-0.05(-0.24%)
Jul 29, 2011	20.39	20.72	20.33	20.51	6,873,712	-0.14(-0.69%)
Jul 28, 2011	20.58	20.98	20.58	20.65	5,754,574	+0.07(+0.36%)
Jul 27, 2011	20.88	20.90	20.54	20.57	9,544,319	-0.40(-1.91%)
Jul 26, 2011	21.04	21.21	20.90	20.98	6,600,246	-0.10(-0.49%)
Jul 25, 2011	20.85	21.19	20.82	21.08	5,941,874	+0.00(+0.02%)
Jul 22, 2011	21.16	21.19	21.04	21.07	6,332,000	-0.41(-1.89%)
Jul 21, 2011	21.28	21.69	21.15	21.48	9,753,578	+0.42(+1.97%)
Jul 20, 2011	20.87	21.26	20.75	21.06	8,494,861	+0.29(+1.38%)
Jul 19, 2011	20.80	20.96	20.06	20.78	20,885,186	-0.46(-2.17%)
Jul 18, 2011	21.56	21.59	21.07	21.24	10,174,987	-0.44(-2.01%)
Jul 15, 2011	21.98	22.02	21.52	21.67	8,829,753	-0.18(-0.84%)
Jul 14, 2011	22.21	22.32	21.82	21.86	5,542,280	-0.22(-0.99%)
Jul 13, 2011	22.19	22.59	22.03	22.07	6,531,313	+0.08(+0.38%)
Jul 12, 2011	21.95	22.36	21.93	21.99	7,036,339	-0.05(-0.25%)
Jul 11, 2011	22.56	22.75	21.98	22.04	8,345,163	-0.87(-3.80%)
Jul 08, 2011	22.75	22.93	22.61	22.91	4,977,255	-0.25(-1.07%)
Jul 07, 2011	23.03	23.21	23.03	23.16	5,537,157	+0.39(+1.72%)
Jul 06, 2011	22.28	22.84	22.15	22.77	8,208,176	+0.45(+2.04%)
Jul 05, 2011	22.62	22.64	22.27	22.32	6,520,091	-0.41(-1.78%)
Jul 01, 2011	22.32	22.76	22.23	22.72	5,354,080	+0.43(+1.91%)
Jun 30, 2011	22.40	22.44	22.15	22.30	7,029,143	-0.03(-0.15%)
Jun 29, 2011	21.89	22.37	21.86	22.33	7,370,521	+0.66(+3.03%)
Jun 28, 2011	21.85	21.94	21.59	21.67	7,265,041	-0.10(-0.48%)
Jun 27, 2011	21.40	21.90	21.31	21.78	6,766,454	+0.45(+2.10%)
Jun 24, 2011	21.74	21.76	21.19	21.33	10,686,517	-0.40(-1.86%)
Jun 23, 2011	21.37	21.81	21.28	21.73	10,635,934	+0.04(+0.20%)
Jun 22, 2011	21.70	21.93	21.64	21.69	5,788,364	-0.09(-0.43%)
Jun 21, 2011	21.49	21.83	21.46	21.78	6,240,344	+0.40(+1.89%)
Jun 20, 2011	21.33	21.39	21.28	21.38	3,884,978	+0.00(+0.00%)
Jun 17, 2011	21.43	21.59	21.30	21.38	8,100,007	+0.13(+0.60%)
Jun 16, 2011	21.06	21.38	21.01	21.25	7,870,205	+0.24(+1.12%)
Jun 15, 2011	21.49	21.63	20.95	21.01	8,475,187	-0.71(-3.29%)
Jun 14, 2011	21.43	21.83	21.37	21.73	8,576,519	+0.56(+2.63%)
Jun 13, 2011	21.09	21.29	20.86	21.17	5,667,080	+0.14(+0.66%)
Jun 10, 2011	21.21	21.26	20.85	21.03	10,091,751	-0.33(-1.54%)
Jun 09, 2011	20.86	21.42	20.76	21.36	8,305,437	+0.61(+2.92%)
Jun 08, 2011	20.97	21.05	20.73	20.76	7,129,157	-0.25(-1.20%)
Jun 07, 2011	21.26	21.38	21.00	21.01	6,888,312	-0.19(-0.88%)
Jun 06, 2011	21.36	21.45	21.09	21.19	6,279,949	-0.23(-1.06%)
Jun 03, 2011	21.32	21.63	21.24	21.42	5,951,597	-0.72(-3.25%)
May 24, 2011	22.46	22.60	22.04	22.14	8,677,250	-0.34(-1.51%)
May 23, 2011	22.76	22.78	22.47	22.48	7,369,110	-0.59(-2.54%)
May 20, 2011	23.26	23.32	23.04	23.07	5,625,195	-0.31(-1.33%)
May 19, 2011	23.29	23.46	23.19	23.38	4,697,716	+0.19(+0.83%)
May 18, 2011	22.85	23.21	22.76	23.18	5,105,814	+0.33(+1.44%)
May 17, 2011	22.51	22.85	22.46	22.85	5,241,194	+0.31(+1.35%)
May 16, 2011	22.36	22.84	22.36	22.55	6,474,001	+0.12(+0.53%)
May 13, 2011	22.90	22.99	22.35	22.43	8,375,364	-0.48(-2.09%)
May 12, 2011	22.94	22.98	22.44	22.91	9,497,955	-0.18(-0.77%)
May 11, 2011	23.13	23.29	22.94	23.09	6,029,103	-0.10(-0.42%)
May 10, 2011	23.01	23.27	22.90	23.18	5,387,163	+0.29(+1.27%)
May 09, 2011	22.87	23.01	22.78	22.89	3,792,680	-0.03(-0.13%)
May 06, 2011	22.83	23.02	22.83	22.92	5,728,170	+0.33(+1.46%)
May 05, 2011	22.69	22.80	22.46	22.59	4,985,078	-0.24(-1.06%)
May 04, 2011	23.02	23.04	22.68	22.83	4,103,227	-0.16(-0.71%)
May 03, 2011	23.06	23.07	22.81	23.00	3,134,446	-0.09(-0.41%)

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