xper,xns,xew,xco
0.100000001 , 0.904972374 , 0.589557886 , 892.650024
0.200000003 , 0.630659401 , 0.628605306 , 1031.25000
0.300000012 , 0.348774821 , 0.316086888 , 1031.25000
0.500000000 , 0.202449664 , 0.210858494 , 1031.25000
1.00000000 , 0.131876677 , 0.121863045 , 562.650024
2.00000000 , 0.104511425 , 9.83936042E-02 , 281.325012
3.00000000 , 7.35814124E-02 , 4.37995642E-02 , 187.688004