xper,xns,xew,xco
0.100000001 , 0.780399084 , 0.552685976 , 892.650024
0.200000003 , 0.351855099 , 0.350341886 , 1031.25000
0.300000012 , 0.356458277 , 0.346371770 , 1031.25000
0.500000000 , 0.245355666 , 0.232315317 , 1031.25000
1.00000000 , 0.105092153 , 9.26834270E-02 , 562.650024
2.00000000 , 8.19684938E-02 , 9.79445875E-02 , 281.325012
3.00000000 , 6.09653667E-02 , 5.79279922E-02 , 187.688004