Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	53.19	53.32	52.48	53.13	420,633	-0.51(-0.95%)
Apr 28, 2011	53.86	54.06	53.22	53.64	589,255	-0.16(-0.30%)
Apr 27, 2011	53.78	54.25	53.28	53.80	347,764	+0.26(+0.49%)
Apr 26, 2011	53.05	53.62	52.77	53.54	378,937	+0.87(+1.65%)
Apr 25, 2011	52.75	52.96	52.30	52.67	305,090	+0.16(+0.30%)
Apr 21, 2011	52.08	52.55	51.81	52.51	426,040	+0.78(+1.51%)
Apr 20, 2011	51.24	51.83	51.02	51.73	422,110	+1.17(+2.31%)
Apr 19, 2011	50.71	50.95	50.35	50.56	357,831	+0.10(+0.20%)
Apr 18, 2011	50.66	50.78	49.71	50.46	443,626	-0.97(-1.89%)
Apr 15, 2011	51.24	51.48	50.74	51.43	319,197	+0.39(+0.76%)
Apr 14, 2011	50.70	51.13	50.20	51.04	354,675	-0.19(-0.37%)
Apr 13, 2011	51.27	51.46	50.66	51.23	345,957	+0.44(+0.87%)
Apr 12, 2011	51.65	51.92	50.63	50.79	400,141	-1.11(-2.14%)
Apr 11, 2011	52.38	52.52	51.59	51.90	324,934	-0.39(-0.75%)
Apr 08, 2011	53.20	53.20	52.19	52.29	461,769	-0.70(-1.32%)
Apr 07, 2011	52.69	53.40	52.69	52.99	596,394	+0.07(+0.13%)
Apr 06, 2011	51.78	53.16	51.78	52.92	577,352	+0.85(+1.63%)
Apr 05, 2011	51.55	52.39	51.55	52.07	453,032	+0.23(+0.44%)
Apr 04, 2011	51.00	52.21	50.83	51.84	650,701	+0.86(+1.69%)
Apr 01, 2011	51.00	51.15	50.02	50.98	670,081	+0.12(+0.24%)
Mar 31, 2011	50.75	51.00	50.44	50.86	518,361	+0.06(+0.12%)
Mar 30, 2011	50.73	50.90	50.38	50.80	542,014	+0.27(+0.53%)
Mar 29, 2011	49.82	50.65	49.56	50.53	366,534	+0.54(+1.08%)
Mar 28, 2011	49.81	50.28	49.80	49.99	347,012	+0.21(+0.42%)
Mar 25, 2011	49.61	50.42	49.61	49.78	549,022	+0.24(+0.48%)
Mar 24, 2011	48.63	49.63	48.38	49.54	627,266	+1.05(+2.17%)
Mar 23, 2011	48.56	48.89	48.06	48.49	563,198	-0.30(-0.61%)
Mar 22, 2011	48.94	49.28	48.55	48.79	326,268	-0.38(-0.77%)
Mar 21, 2011	49.30	49.74	48.76	49.17	380,713	+0.80(+1.65%)
Mar 18, 2011	48.39	48.74	48.07	48.37	389,801	+0.40(+0.83%)
Mar 17, 2011	48.66	48.81	47.95	47.97	352,342	+0.03(+0.06%)
Mar 16, 2011	48.01	48.73	47.41	47.94	626,827	-0.16(-0.33%)
Mar 15, 2011	47.45	48.43	46.62	48.10	368,171	-0.65(-1.33%)
Mar 14, 2011	49.00	49.26	48.27	48.75	378,045	-0.43(-0.87%)
Mar 11, 2011	48.83	49.40	48.55	49.18	265,829	+0.20(+0.41%)
Mar 10, 2011	48.98	49.25	48.48	48.98	444,704	-0.54(-1.09%)
Mar 09, 2011	49.92	49.92	49.21	49.52	408,316	-0.65(-1.30%)
Mar 08, 2011	49.48	50.76	49.44	50.17	450,264	+0.73(+1.48%)
Mar 07, 2011	49.92	50.61	49.06	49.44	640,222	-0.68(-1.36%)
Mar 04, 2011	50.97	51.11	49.52	50.12	715,617	-1.16(-2.26%)
Mar 03, 2011	50.81	51.60	50.56	51.28	393,624	+0.98(+1.95%)
Mar 02, 2011	51.37	51.58	50.08	50.30	632,707	-0.57(-1.12%)
Mar 01, 2011	52.96	53.00	50.44	50.87	1,154,159	+1.29(+2.60%)
Feb 28, 2011	50.19	50.58	49.23	49.58	794,865	-0.22(-0.44%)
Feb 25, 2011	49.75	49.98	49.49	49.80	338,162	+0.39(+0.79%)
Feb 24, 2011	48.83	49.67	48.36	49.41	376,549	+0.69(+1.42%)
Feb 23, 2011	50.16	50.16	48.28	48.72	430,580	-1.34(-2.68%)
Feb 22, 2011	50.55	50.95	49.83	50.06	327,450	-1.14(-2.23%)
Feb 18, 2011	51.00	51.37	50.86	51.20	197,208	+0.11(+0.22%)
Feb 17, 2011	50.43	51.24	50.43	51.09	226,374	+0.30(+0.59%)
Feb 16, 2011	50.49	51.24	50.22	50.79	304,607	+0.63(+1.26%)
Feb 15, 2011	49.94	50.38	49.69	50.16	219,251	-0.06(-0.12%)
Feb 14, 2011	50.07	50.40	50.00	50.22	234,340	+0.29(+0.58%)
Feb 11, 2011	49.75	50.17	49.48	49.93	289,852	-0.10(-0.20%)
Feb 10, 2011	49.37	50.20	49.12	50.03	350,501	+0.41(+0.83%)
Feb 09, 2011	49.35	49.75	49.27	49.62	481,495	-0.44(-0.88%)
Feb 08, 2011	49.30	50.14	49.08	50.06	345,866	+0.75(+1.52%)
Feb 07, 2011	49.11	49.50	48.97	49.31	265,044	+0.27(+0.55%)
Feb 04, 2011	48.78	49.09	48.43	49.04	391,160	+0.38(+0.78%)
Feb 03, 2011	48.24	48.86	47.97	48.66	401,631	+0.42(+0.87%)
Feb 02, 2011	48.10	48.45	47.61	48.24	369,698	+0.06(+0.12%)

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