1/May/2011,0.0010,12.90 2/May/2011,0.0005,6.53 3/May/2011,0.0009,10.78 4/May/2011,0.0013,16.66 5/May/2011,0.0012,15.30 6/May/2011,0.0014,17.75 7/May/2011,0.0006,7.81 8/May/2011,0.0003,3.86 9/May/2011,0.0004,5.13 10/May/2011,0.0006,7.12 11/May/2011,0.0003,3.56