xper,xns,xew,xco
0.100000001 , 52.8370209 , 25.5938683 , 892.650024
0.200000003 , 161.664185 , 54.9274292 , 1031.25000
0.300000012 , 86.6620102 , 38.4002876 , 1031.25000
0.500000000 , 18.8060989 , 6.35402489 , 1031.25000
1.00000000 , 4.65678453 , 0.984160900 , 562.650024
2.00000000 , 0.605435073 , 0.260456502 , 281.325012
3.00000000 , 0.441370100 , 9.64687616E-02 , 187.688004