Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	38.30	38.49	37.74	37.75	71,954	-0.55(-1.44%)
May 23, 2011	38.53	38.93	38.15	38.30	50,348	-0.88(-2.25%)
May 20, 2011	39.30	39.64	38.93	39.18	83,956	-0.30(-0.76%)
May 19, 2011	39.68	39.98	39.09	39.48	99,253	-0.28(-0.70%)
May 18, 2011	40.40	40.40	39.33	39.76	119,502	-0.56(-1.39%)
May 17, 2011	39.75	40.43	39.52	40.32	212,494	+0.42(+1.05%)
May 16, 2011	39.96	40.27	39.71	39.90	141,832	-0.19(-0.47%)
May 13, 2011	40.17	40.62	39.87	40.09	123,578	-0.13(-0.32%)
May 12, 2011	39.14	40.65	38.91	40.22	185,593	+0.83(+2.11%)
May 11, 2011	39.56	39.96	39.32	39.39	146,402	-0.45(-1.13%)
May 10, 2011	38.25	40.00	37.99	39.84	219,983	+1.70(+4.46%)
May 09, 2011	37.56	38.18	37.56	38.14	51,980	+0.51(+1.36%)
May 06, 2011	37.89	38.04	37.50	37.63	86,289	+0.06(+0.16%)
May 05, 2011	36.21	38.07	35.75	37.57	121,901	+1.06(+2.90%)
May 04, 2011	37.41	37.41	35.76	36.51	114,710	-0.92(-2.46%)
May 03, 2011	38.23	38.45	37.31	37.43	69,577	-0.83(-2.17%)
May 02, 2011	38.28	38.86	37.54	38.26	91,079	-0.13(-0.34%)
Apr 29, 2011	38.41	38.57	38.20	38.39	80,981	-0.01(-0.03%)
Apr 28, 2011	38.06	38.71	38.06	38.40	75,634	+0.17(+0.44%)
Apr 27, 2011	37.54	38.25	37.10	38.23	104,724	+0.70(+1.87%)
Apr 26, 2011	38.00	38.67	37.31	37.53	320,897	+0.76(+2.07%)
Apr 25, 2011	36.40	36.96	36.14	36.77	70,250	+0.05(+0.14%)
Apr 21, 2011	36.59	37.00	36.24	36.72	66,807	+0.27(+0.74%)
Apr 20, 2011	34.79	36.52	34.79	36.45	194,088	+2.20(+6.42%)
Apr 19, 2011	35.62	35.85	34.08	34.25	541,317	-1.38(-3.87%)
Apr 18, 2011	36.16	36.44	35.29	35.63	121,783	-0.95(-2.60%)
Apr 15, 2011	36.01	36.70	35.90	36.58	69,467	+0.43(+1.19%)
Apr 14, 2011	35.84	36.33	35.80	36.15	60,822	+0.05(+0.14%)
Apr 13, 2011	36.73	36.83	35.75	36.10	114,057	-0.41(-1.12%)
Apr 12, 2011	36.53	36.96	36.10	36.51	57,304	-0.28(-0.76%)
Apr 11, 2011	37.88	38.52	36.38	36.79	131,618	-1.16(-3.06%)
Apr 08, 2011	39.22	39.22	37.05	37.95	159,741	-1.04(-2.67%)
Apr 07, 2011	39.19	39.46	38.81	38.99	57,926	-0.15(-0.38%)
Apr 06, 2011	39.09	39.40	38.87	39.14	50,727	+0.21(+0.54%)
Apr 05, 2011	38.50	39.48	38.33	38.93	111,922	+0.46(+1.20%)
Apr 04, 2011	38.22	38.49	37.98	38.47	52,166	+0.39(+1.02%)
Apr 01, 2011	37.67	38.23	37.28	38.08	56,458	+0.55(+1.47%)
Mar 31, 2011	36.63	37.63	36.40	37.53	69,336	+0.92(+2.51%)
Mar 30, 2011	36.61	37.34	36.19	36.61	93,218	+0.02(+0.05%)
Mar 29, 2011	36.24	36.60	35.86	36.59	64,794	+0.22(+0.60%)
Mar 28, 2011	36.63	37.02	36.01	36.37	100,046	-1.05(-2.81%)
Mar 25, 2011	37.22	38.05	37.22	37.42	73,439	+0.22(+0.59%)
Mar 24, 2011	37.20	37.49	36.51	37.20	46,133	+0.17(+0.46%)
Mar 23, 2011	36.95	37.37	36.58	37.03	84,805	-0.05(-0.13%)
Mar 22, 2011	36.63	37.22	36.40	37.08	37,241	+0.30(+0.82%)
Mar 21, 2011	37.13	37.18	36.54	36.78	59,708	+0.42(+1.16%)
Mar 18, 2011	36.00	36.36	35.60	36.36	167,908	+0.40(+1.11%)
Mar 17, 2011	37.03	37.36	35.64	35.96	164,118	-0.72(-1.96%)
Mar 16, 2011	37.85	38.27	36.64	36.68	186,370	-1.35(-3.55%)
Mar 15, 2011	37.97	38.35	37.31	38.03	162,267	+1.00(+2.70%)
Mar 14, 2011	37.09	37.67	36.49	37.03	105,263	-0.51(-1.36%)
Mar 11, 2011	37.51	37.97	37.03	37.54	83,775	-0.19(-0.50%)
Mar 10, 2011	37.81	38.09	37.45	37.73	137,500	-0.51(-1.33%)
Mar 09, 2011	38.12	38.56	37.82	38.24	84,443	+0.12(+0.31%)
Mar 08, 2011	38.42	38.99	38.03	38.12	107,826	-0.28(-0.73%)
Mar 07, 2011	39.09	39.09	38.09	38.40	136,159	-0.54(-1.39%)
Mar 04, 2011	38.54	38.94	38.43	38.94	100,665	+0.37(+0.96%)
Mar 03, 2011	37.83	39.09	37.83	38.57	91,704	+0.84(+2.23%)
Mar 02, 2011	37.48	37.88	37.16	37.73	85,307	+0.06(+0.16%)

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