1/May/2011,0.0365,453.21 2/May/2011,0.0367,456.34 3/May/2011,0.0377,468.12 4/May/2011,0.0302,375.05 5/May/2011,0.0359,445.78 6/May/2011,0.0321,398.92 7/May/2011,0.0277,344.08 8/May/2011,0.0343,426.62 9/May/2011,0.0312,387.47 10/May/2011,0.0370,460.13 11/May/2011,0.0393,488.92