Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	54.49	54.70	54.32	54.43	161,066	+0.37(+0.68%)
May 23, 2011	54.11	54.27	53.82	54.06	87,661	-1.24(-2.23%)
May 20, 2011	55.76	55.76	55.10	55.30	72,447	-0.71(-1.27%)
May 19, 2011	55.95	56.11	55.57	56.01	61,923	+0.21(+0.38%)
May 18, 2011	55.40	55.87	55.20	55.80	34,931	+0.44(+0.79%)
May 17, 2011	55.15	55.44	54.68	55.36	73,342	+0.11(+0.19%)
May 16, 2011	55.34	55.80	55.16	55.26	138,541	-0.03(-0.05%)
May 13, 2011	56.02	56.02	54.98	55.28	111,934	-0.74(-1.31%)
May 12, 2011	55.73	56.30	55.42	56.02	120,887	+0.07(+0.13%)
May 11, 2011	56.61	56.80	55.73	55.95	90,104	-1.09(-1.90%)
May 10, 2011	56.73	57.06	56.56	57.03	64,932	+0.46(+0.81%)
May 09, 2011	56.22	56.59	55.95	56.58	139,922	+0.47(+0.84%)
May 06, 2011	56.73	56.99	55.86	56.11	71,750	+0.15(+0.27%)
May 05, 2011	56.54	56.61	55.80	55.96	70,160	-1.09(-1.90%)
May 04, 2011	57.61	57.61	56.88	57.04	44,457	-0.48(-0.84%)
May 03, 2011	57.62	57.94	57.37	57.53	54,804	-0.53(-0.91%)

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