1/May/2011,0.0035,43.90 2/May/2011,0.0025,31.59 3/May/2011,0.0055,68.84 4/May/2011,0.0042,52.56 5/May/2011,0.0051,62.79 6/May/2011,0.0036,45.23 7/May/2011,0.0025,31.09 8/May/2011,0.0045,55.84 9/May/2011,0.0022,27.90 10/May/2011,0.0025,30.75 11/May/2011,0.0041,50.84