Date	Open	High	Low	Close	Volume	Change (%)
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%)
Mar 01, 2011	47.80	47.89	47.05	47.07	991,039	-0.71(-1.48%)
Feb 28, 2011	47.66	47.83	47.33	47.78	1,089,378	+0.23(+0.48%)
Feb 25, 2011	46.99	47.55	46.75	47.55	929,976	+0.71(+1.51%)
Feb 24, 2011	46.89	47.05	46.61	46.84	911,324	+0.03(+0.07%)
Feb 23, 2011	46.76	47.27	46.63	46.81	1,385,505	+0.01(+0.03%)
Feb 22, 2011	46.40	46.80	46.18	46.79	1,454,006	+0.06(+0.13%)
Feb 18, 2011	46.95	47.50	46.59	46.73	1,868,416	+0.47(+1.02%)
Feb 17, 2011	44.98	46.48	44.94	46.26	2,739,002	+1.87(+4.22%)
Feb 16, 2011	43.73	44.42	43.73	44.39	1,333,652	+0.72(+1.65%)
Feb 15, 2011	43.53	43.79	43.38	43.66	1,074,530	+0.04(+0.10%)
Feb 14, 2011	43.78	43.82	43.39	43.62	671,034	+0.08(+0.19%)
Feb 11, 2011	43.23	43.71	43.10	43.54	807,444	+0.15(+0.34%)
Feb 10, 2011	43.69	43.89	43.28	43.39	793,929	-0.31(-0.71%)
Feb 09, 2011	43.89	44.03	43.64	43.71	782,410	-0.18(-0.41%)
Feb 08, 2011	43.34	43.97	43.28	43.89	1,153,509	+0.55(+1.27%)
Feb 07, 2011	43.18	43.42	43.09	43.34	1,070,098	+0.30(+0.69%)
Feb 04, 2011	42.84	43.17	42.61	43.04	955,508	+0.13(+0.31%)
Feb 03, 2011	42.23	43.07	42.23	42.91	1,750,064	+0.72(+1.72%)
Feb 02, 2011	42.55	42.76	42.16	42.18	1,041,236	-0.35(-0.83%)

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