Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	50.80	50.81	50.10	50.11	556,884	-0.44(-0.87%)
May 23, 2011	50.98	50.98	50.51	50.55	103,806	-1.06(-2.05%)
May 20, 2011	51.72	51.87	51.32	51.61	122,148	-0.11(-0.20%)
May 19, 2011	52.04	52.04	51.26	51.71	228,191	-0.44(-0.84%)
May 18, 2011	51.24	52.27	51.24	52.15	57,193	+0.93(+1.82%)
May 17, 2011	51.58	51.62	50.72	51.22	427,582	-0.64(-1.24%)
May 16, 2011	52.40	52.94	51.76	51.86	278,619	-0.74(-1.41%)
May 13, 2011	53.18	53.34	52.57	52.60	49,469	-0.65(-1.22%)
May 12, 2011	52.34	53.46	52.28	53.25	129,336	+0.69(+1.31%)
May 11, 2011	53.09	53.21	52.26	52.57	75,858	-0.39(-0.73%)
May 10, 2011	52.81	53.12	52.72	52.95	55,578	+0.26(+0.48%)
May 09, 2011	52.97	52.97	52.38	52.70	195,701	-0.22(-0.42%)
May 06, 2011	53.15	53.47	52.70	52.92	107,018	+0.41(+0.79%)
May 05, 2011	52.10	53.01	52.02	52.50	97,774	+0.14(+0.27%)
May 04, 2011	52.58	52.80	51.74	52.36	300,765	-0.02(-0.03%)
May 03, 2011	52.79	52.91	52.02	52.38	131,378	-0.65(-1.23%)

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