1/May/2011,0.0163,201.99 2/May/2011,0.0245,304.90 3/May/2011,0.0256,317.77 4/May/2011,0.0232,288.08 5/May/2011,0.0169,210.22 6/May/2011,0.0214,266.15 7/May/2011,0.0187,232.73 8/May/2011,0.0227,281.60 9/May/2011,0.0254,316.10 10/May/2011,0.0237,293.93 11/May/2011,0.0155,192.54