Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	18.48	18.59	18.39	18.49	8,900,083	+0.03(+0.18%)
May 23, 2011	18.41	18.49	18.33	18.46	12,591,462	-0.11(-0.60%)
May 20, 2011	18.64	18.68	18.41	18.57	15,614,680	-0.15(-0.80%)
May 19, 2011	18.92	18.92	18.61	18.72	13,548,924	-0.17(-0.90%)
May 18, 2011	18.73	18.89	18.62	18.89	14,360,579	+0.14(+0.73%)
May 17, 2011	18.77	18.79	18.52	18.75	17,578,918	-0.09(-0.49%)
May 16, 2011	18.87	18.96	18.81	18.85	10,367,283	-0.01(-0.07%)
May 13, 2011	18.87	18.98	18.78	18.86	14,828,358	-0.07(-0.35%)
May 12, 2011	18.79	18.96	18.66	18.92	15,204,918	+0.10(+0.52%)
May 11, 2011	18.68	18.90	18.68	18.83	15,788,490	-0.03(-0.17%)
May 10, 2011	18.81	18.87	18.63	18.86	12,278,787	+0.06(+0.31%)
May 09, 2011	18.76	18.85	18.60	18.80	11,001,134	+0.05(+0.28%)
May 06, 2011	18.74	18.85	18.68	18.75	12,887,521	+0.10(+0.53%)
May 05, 2011	18.75	18.81	18.56	18.65	13,739,225	-0.14(-0.77%)
May 04, 2011	18.75	18.85	18.60	18.79	18,068,790	-0.08(-0.42%)
May 03, 2011	18.66	18.95	18.63	18.87	35,227,084	+0.25(+1.34%)

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