xper,xns,xew,xco
0.100000001 , 0.463855177 , 0.480102062 , 892.650024
0.200000003 , 0.227508321 , 0.243592098 , 1031.25000
0.300000012 , 5.15328199E-02 , 5.06196469E-02 , 1031.25000
0.500000000 , 1.03182625E-02 , 1.13499444E-02 , 1031.25000
1.00000000 , 3.32761626E-03 , 3.65879480E-03 , 562.650024
2.00000000 , 1.93352241E-03 , 1.65254157E-03 , 281.325012
3.00000000 , 2.15458428E-03 , 1.33699214E-03 , 187.688004