xper,xns,xew,xco
0.100000001 , 0.814420521 , 1.27969408 , 892.650024
0.200000003 , 1.32349360 , 0.915144265 , 1031.25000
0.300000012 , 1.39844811 , 0.863171160 , 1031.25000
0.500000000 , 0.795455396 , 0.470092058 , 1031.25000
1.00000000 , 0.119514935 , 0.115208723 , 562.650024
2.00000000 , 2.52062585E-02 , 1.83193795E-02 , 281.325012
3.00000000 , 9.17321257E-03 , 7.49297021E-03 , 187.688004