1/May/2011,0.0190,236.38 2/May/2011,0.0129,160.44 3/May/2011,0.0154,191.25 4/May/2011,0.0173,214.72 5/May/2011,0.0150,186.36 6/May/2011,0.0166,205.86 7/May/2011,0.0158,196.76 8/May/2011,0.0158,195.78 9/May/2011,0.0150,186.17 10/May/2011,0.0131,162.44 11/May/2011,0.0137,170.85