xper,xns,xew,xco
0.100000001 , 0.850500822 , 0.496504724 , 892.650024
0.200000003 , 0.168394774 , 0.115944281 , 1031.25000
0.300000012 , 9.56236050E-02 , 9.49389935E-02 , 1031.25000
0.500000000 , 3.68343890E-02 , 5.05211726E-02 , 1031.25000
1.00000000 , 2.82198060E-02 , 3.14074159E-02 , 562.650024
2.00000000 , 3.46814319E-02 , 2.03061532E-02 , 281.325012
3.00000000 , 3.47256660E-02 , 1.84259322E-02 , 187.688004