Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	70.20	71.10	69.60	70.50	66,068	+0.90(+1.29%)
May 23, 2011	70.20	71.00	69.30	69.60	59,755	-2.00(-2.79%)
May 20, 2011	72.40	72.70	70.80	71.60	102,517	-1.10(-1.51%)
May 19, 2011	74.30	74.30	72.05	72.70	137,584	-1.10(-1.49%)
May 18, 2011	73.00	73.90	71.90	73.80	107,087	+1.10(+1.51%)
May 17, 2011	71.90	73.70	71.40	72.70	132,918	-0.20(-0.27%)
May 16, 2011	72.20	73.40	71.80	72.90	189,221	+0.10(+0.14%)
May 13, 2011	73.70	74.60	72.30	72.80	158,153	-1.20(-1.62%)
May 12, 2011	73.90	75.10	72.00	74.00	338,538	-0.90(-1.20%)
May 11, 2011	75.80	76.50	74.10	74.90	279,629	-0.30(-0.40%)
May 10, 2011	70.10	75.50	70.00	75.20	180,491	+3.80(+5.32%)
May 09, 2011	70.00	71.40	69.65	71.40	128,286	+1.50(+2.15%)
May 06, 2011	70.50	71.20	68.70	69.90	193,684	+0.40(+0.58%)
May 05, 2011	69.90	70.85	69.10	69.50	65,207	-1.70(-2.39%)
May 04, 2011	71.60	71.90	69.10	71.20	95,764	-0.60(-0.84%)
May 03, 2011	73.00	73.20	71.40	71.80	94,481	-2.00(-2.71%)

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