xper,xns,xew,xco
0.100000001 , 52.8371429 , 25.5930099 , 892.650024
0.200000003 , 161.663361 , 54.9287033 , 1031.25000
0.300000012 , 86.6623077 , 38.4012642 , 1031.25000
0.500000000 , 18.8063450 , 6.35350418 , 1031.25000
1.00000000 , 4.65705061 , 0.985080361 , 562.650024
2.00000000 , 0.605747998 , 0.259702623 , 281.325012
3.00000000 , 0.441696763 , 9.87514108E-02 , 187.688004