xper,xns,xew,xco
0.100000001 , 52.8395233 , 25.5919342 , 892.650024
0.200000003 , 161.663422 , 54.9285507 , 1031.25000
0.300000012 , 86.6624832 , 38.4010925 , 1031.25000
0.500000000 , 18.8057289 , 6.35326958 , 1031.25000
1.00000000 , 4.65677881 , 0.985369742 , 562.650024
2.00000000 , 0.605596185 , 0.259444386 , 281.325012
3.00000000 , 0.441614777 , 9.89685208E-02 , 187.688004