Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	54.48	54.89	54.48	54.64	861,034	+0.32(+0.60%)
May 23, 2011	54.56	54.74	54.11	54.31	532,862	-0.64(-1.16%)
May 20, 2011	54.48	55.34	54.19	54.95	997,802	+0.41(+0.75%)
May 19, 2011	54.02	54.56	53.76	54.54	1,135,990	+0.64(+1.19%)
May 18, 2011	54.14	54.27	53.81	53.90	1,017,069	-0.28(-0.51%)
May 17, 2011	53.12	54.45	52.97	54.17	770,530	+1.05(+1.98%)
May 16, 2011	53.28	53.32	52.98	53.12	371,662	-0.16(-0.29%)
May 13, 2011	53.61	53.71	53.21	53.28	375,903	-0.30(-0.57%)
May 12, 2011	52.78	53.67	52.71	53.58	654,009	+0.81(+1.53%)
May 11, 2011	52.99	53.11	52.60	52.77	338,855	-0.16(-0.29%)
May 10, 2011	52.58	53.02	52.53	52.93	390,841	+0.51(+0.98%)
May 09, 2011	52.04	52.45	51.83	52.42	512,866	+0.44(+0.84%)
May 06, 2011	52.41	52.83	51.90	51.98	604,136	+0.11(+0.20%)
May 05, 2011	52.45	52.52	51.79	51.88	733,377	-0.79(-1.51%)
May 04, 2011	52.80	53.22	52.56	52.67	496,691	-0.06(-0.12%)
May 03, 2011	52.72	52.76	52.43	52.73	485,645	-0.08(-0.16%)
May 02, 2011	52.78	52.85	52.76	52.82	409,375	+0.11(+0.21%)
Apr 29, 2011	52.60	52.98	52.35	52.71	720,437	+0.06(+0.12%)
Apr 28, 2011	52.47	52.70	52.23	52.64	575,292	+0.00(+0.00%)
Apr 27, 2011	52.27	52.66	52.15	52.64	668,025	+0.46(+0.87%)
Apr 26, 2011	51.32	52.28	51.32	52.19	787,667	+0.95(+1.86%)
Apr 25, 2011	51.51	51.64	51.14	51.23	959,750	-0.44(-0.84%)
Apr 21, 2011	52.18	52.30	51.46	51.67	696,129	-0.44(-0.84%)
Apr 20, 2011	51.81	52.16	51.81	52.10	799,412	+0.67(+1.31%)
Apr 19, 2011	51.74	51.80	51.18	51.43	1,083,076	-0.32(-0.61%)
Apr 18, 2011	51.96	52.00	51.53	51.74	828,978	-0.53(-1.01%)
Apr 15, 2011	52.35	52.46	52.12	52.27	909,948	+0.02(+0.04%)
Apr 14, 2011	52.05	52.28	51.82	52.25	898,821	+0.06(+0.12%)
Apr 13, 2011	51.88	52.28	51.76	52.19	749,798	+0.35(+0.68%)
Apr 12, 2011	51.14	51.98	51.11	51.83	722,191	+0.56(+1.10%)
Apr 11, 2011	51.30	51.83	51.11	51.27	586,064	-0.03(-0.05%)
Apr 08, 2011	51.57	51.57	51.20	51.30	666,622	-0.01(-0.01%)
Apr 07, 2011	51.46	51.66	51.22	51.31	551,020	-0.23(-0.45%)
Apr 06, 2011	51.42	51.62	51.25	51.54	654,658	+0.22(+0.42%)
Apr 05, 2011	51.21	51.68	51.21	51.32	827,568	-0.02(-0.04%)
Apr 04, 2011	50.88	51.34	50.77	51.34	913,469	+0.48(+0.95%)
Apr 01, 2011	50.30	51.04	50.25	50.86	795,619	+0.74(+1.47%)
Mar 31, 2011	50.06	50.43	50.00	50.12	1,564,938	+0.09(+0.18%)
Mar 30, 2011	50.68	50.83	49.86	50.03	2,073,603	-0.39(-0.77%)
Mar 29, 2011	50.80	50.96	50.32	50.42	1,679,349	-0.42(-0.83%)
Mar 28, 2011	50.94	51.34	50.83	50.84	910,861	-0.03(-0.06%)
Mar 25, 2011	50.56	51.09	50.56	50.87	875,940	+0.45(+0.89%)
Mar 24, 2011	50.63	50.83	50.35	50.42	1,746,618	-0.08(-0.17%)
Mar 23, 2011	50.27	50.62	50.08	50.50	816,646	+0.15(+0.29%)
Mar 22, 2011	50.75	50.87	50.13	50.35	786,956	-0.34(-0.68%)
Mar 21, 2011	50.58	50.85	50.50	50.70	1,363,609	+1.25(+2.53%)
Mar 18, 2011	49.14	49.57	48.99	49.45	995,128	+0.91(+1.87%)
Mar 17, 2011	49.16	49.29	48.37	48.54	764,543	-0.12(-0.25%)
Mar 16, 2011	48.84	49.17	48.37	48.66	675,476	-0.20(-0.40%)
Mar 15, 2011	48.78	49.10	48.68	48.86	751,449	-0.43(-0.87%)
Mar 14, 2011	49.78	49.92	49.20	49.29	897,126	-0.84(-1.68%)
Mar 11, 2011	49.44	50.61	49.30	50.13	1,141,345	+0.83(+1.68%)
Mar 10, 2011	49.43	49.56	49.22	49.30	891,584	-0.41(-0.82%)
Mar 09, 2011	49.26	49.81	49.26	49.71	761,708	+0.29(+0.60%)
Mar 08, 2011	48.19	49.59	48.19	49.41	825,174	+0.61(+1.25%)
Mar 07, 2011	49.01	49.15	48.46	48.80	628,032	-0.21(-0.43%)
Mar 04, 2011	48.88	49.12	48.71	49.01	838,866	+0.08(+0.16%)
Mar 03, 2011	48.20	49.22	48.20	48.93	1,509,494	+1.05(+2.20%)
Mar 02, 2011	47.66	48.01	47.42	47.88	523,859	+0.27(+0.56%)

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