xper,xns,xew,xco
0.100000001 , 0.422704846 , 0.598516583 , 892.650024
0.200000003 , 0.554249704 , 0.876344740 , 1031.25000
0.300000012 , 1.63019395 , 2.12113094 , 1031.25000
0.500000000 , 0.441958338 , 0.392518431 , 1031.25000
1.00000000 , 0.269715279 , 0.228019267 , 562.650024
2.00000000 , 6.03426099E-02 , 8.22056755E-02 , 281.325012
3.00000000 , 2.94905044E-02 , 3.21632735E-02 , 187.688004