Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	53.86	54.27	53.86	54.02	870,962	+0.32(+0.60%)
May 23, 2011	53.94	54.11	53.49	53.69	539,006	-0.63(-1.16%)
May 20, 2011	53.86	54.71	53.57	54.32	1,009,307	+0.40(+0.75%)
May 19, 2011	53.41	53.94	53.15	53.92	1,149,088	+0.64(+1.19%)
May 18, 2011	53.52	53.65	53.20	53.28	1,028,796	-0.27(-0.51%)
May 17, 2011	52.51	53.83	52.36	53.56	779,414	+1.04(+1.98%)
May 16, 2011	52.68	52.71	52.38	52.51	375,947	-0.15(-0.29%)
May 13, 2011	53.00	53.09	52.60	52.67	380,237	-0.30(-0.57%)
May 12, 2011	52.18	53.06	52.11	52.97	661,550	+0.80(+1.53%)
May 11, 2011	52.38	52.51	52.00	52.17	342,762	-0.15(-0.29%)
May 10, 2011	51.98	52.42	51.93	52.33	395,348	+0.51(+0.98%)
May 09, 2011	51.45	51.85	51.24	51.82	518,780	+0.43(+0.84%)
May 06, 2011	51.81	52.23	51.31	51.39	611,102	+0.10(+0.20%)
May 05, 2011	51.85	51.92	51.20	51.29	741,833	-0.78(-1.51%)
May 04, 2011	52.20	52.62	51.96	52.07	502,418	-0.06(-0.12%)
May 03, 2011	52.12	52.16	51.83	52.13	491,245	-0.08(-0.16%)
May 02, 2011	52.18	52.25	52.16	52.22	414,095	+0.11(+0.21%)
Apr 29, 2011	52.00	52.38	51.75	52.10	728,743	+0.06(+0.12%)
Apr 28, 2011	51.87	52.10	51.63	52.04	581,925	+0.00(+0.00%)
Apr 27, 2011	51.67	52.06	51.56	52.04	675,728	+0.45(+0.87%)
Apr 26, 2011	50.74	51.69	50.74	51.59	796,749	+0.94(+1.86%)
Apr 25, 2011	50.92	51.05	50.56	50.65	970,816	-0.43(-0.84%)
Apr 21, 2011	51.58	51.70	50.87	51.08	704,155	-0.43(-0.84%)
Apr 20, 2011	51.22	51.57	51.22	51.51	808,629	+0.67(+1.31%)
Apr 19, 2011	51.15	51.21	50.60	50.84	1,095,565	-0.31(-0.61%)
Apr 18, 2011	51.37	51.41	50.94	51.15	838,537	-0.52(-1.01%)
Apr 15, 2011	51.75	51.86	51.52	51.67	920,440	+0.02(+0.04%)
Apr 14, 2011	51.46	51.69	51.23	51.65	909,185	+0.06(+0.12%)
Apr 13, 2011	51.29	51.68	51.17	51.59	758,443	+0.35(+0.68%)
Apr 12, 2011	50.56	51.39	50.53	51.24	730,518	+0.56(+1.10%)
Apr 11, 2011	50.72	51.24	50.53	50.69	592,822	-0.03(-0.05%)
Apr 08, 2011	50.98	50.98	50.61	50.72	674,309	-0.01(-0.01%)
Apr 07, 2011	50.87	51.07	50.63	50.72	557,373	-0.23(-0.45%)
Apr 06, 2011	50.83	51.04	50.67	50.95	662,206	+0.22(+0.42%)
Apr 05, 2011	50.63	51.09	50.63	50.74	837,110	-0.02(-0.04%)
Apr 04, 2011	50.30	50.76	50.20	50.76	924,001	+0.48(+0.95%)
Apr 01, 2011	49.72	50.46	49.68	50.28	804,793	+0.73(+1.47%)
Mar 31, 2011	49.49	49.86	49.43	49.55	1,582,982	+0.09(+0.18%)
Mar 30, 2011	50.10	50.25	49.29	49.46	2,097,512	-0.38(-0.77%)
Mar 29, 2011	50.22	50.38	49.74	49.84	1,698,713	-0.42(-0.83%)
Mar 28, 2011	50.36	50.76	50.25	50.26	921,363	-0.03(-0.06%)
Mar 25, 2011	49.99	50.51	49.99	50.29	886,040	+0.44(+0.89%)
Mar 24, 2011	50.05	50.25	49.78	49.84	1,766,757	-0.08(-0.17%)
Mar 23, 2011	49.70	50.04	49.51	49.92	826,063	+0.15(+0.29%)
Mar 22, 2011	50.17	50.29	49.56	49.78	796,030	-0.34(-0.68%)
Mar 21, 2011	50.00	50.27	49.92	50.12	1,379,332	+1.24(+2.53%)
Mar 18, 2011	48.58	49.01	48.43	48.88	1,006,602	+0.90(+1.87%)
Mar 17, 2011	48.60	48.72	47.81	47.99	773,358	-0.12(-0.25%)
Mar 16, 2011	48.29	48.61	47.81	48.11	683,264	-0.19(-0.40%)
Mar 15, 2011	48.22	48.54	48.12	48.30	760,113	-0.42(-0.87%)
Mar 14, 2011	49.21	49.35	48.64	48.72	907,470	-0.83(-1.68%)
Mar 11, 2011	48.88	50.03	48.74	49.56	1,154,505	+0.82(+1.68%)
Mar 10, 2011	48.86	48.99	48.66	48.74	901,864	-0.40(-0.82%)
Mar 09, 2011	48.70	49.24	48.70	49.14	770,491	+0.29(+0.60%)
Mar 08, 2011	47.64	49.02	47.64	48.85	834,689	+0.60(+1.25%)
Mar 07, 2011	48.45	48.59	47.91	48.25	635,274	-0.21(-0.43%)
Mar 04, 2011	48.32	48.56	48.16	48.45	848,539	+0.08(+0.16%)
Mar 03, 2011	47.65	48.65	47.65	48.38	1,526,899	+1.04(+2.20%)
Mar 02, 2011	47.11	47.46	46.88	47.34	529,899	+0.26(+0.56%)

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