xper,xns,xew,xco
0.100000001 , 0.320627034 , 0.259512603 , 892.650024
0.200000003 , 0.406262428 , 0.556647003 , 1031.25000
0.300000012 , 0.265098602 , 0.326450318 , 1031.25000
0.500000000 , 0.224619508 , 0.292095274 , 1031.25000
1.00000000 , 0.245062515 , 0.202094018 , 562.650024
2.00000000 , 4.61206622E-02 , 4.21013646E-02 , 281.325012
3.00000000 , 2.01091338E-02 , 1.79715771E-02 , 187.688004