Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	52.08	52.23	51.80	51.88	1,620,119	-0.06(-0.12%)
May 23, 2011	51.98	52.12	51.74	51.94	2,721,879	-0.65(-1.24%)
May 20, 2011	52.81	52.94	52.42	52.60	1,940,341	-0.37(-0.70%)
May 19, 2011	52.97	53.10	52.66	52.97	2,125,818	+0.14(+0.26%)
May 18, 2011	52.34	52.89	52.23	52.83	2,184,802	+0.52(+1.00%)
May 17, 2011	52.22	52.38	51.85	52.30	2,205,676	-0.10(-0.20%)
May 16, 2011	52.67	53.04	52.33	52.41	2,751,962	-0.46(-0.86%)
May 13, 2011	53.38	53.41	52.75	52.86	2,391,343	-0.46(-0.87%)
May 12, 2011	52.90	53.41	52.59	53.33	2,892,854	+0.30(+0.57%)
May 11, 2011	53.49	53.54	52.74	53.02	2,200,973	-0.52(-0.97%)
May 10, 2011	53.27	53.63	53.21	53.54	2,030,577	+0.45(+0.84%)
May 09, 2011	52.84	53.26	52.79	53.09	2,513,292	+0.29(+0.55%)
May 06, 2011	53.14	53.40	52.60	52.80	2,064,930	+0.21(+0.39%)
May 05, 2011	52.72	53.14	52.36	52.60	3,308,238	-0.38(-0.71%)
May 04, 2011	53.29	53.33	52.68	52.97	2,721,663	-0.34(-0.65%)
May 03, 2011	53.46	53.58	53.04	53.32	3,579,061	-0.28(-0.53%)

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