xper,xns,xew,xco
0.100000001 , 0.749042332 , 0.767050683 , 892.650024
0.200000003 , 0.146013170 , 0.157971933 , 1031.25000
0.300000012 , 9.50651616E-02 , 7.60500059E-02 , 1031.25000
0.500000000 , 4.13690545E-02 , 4.30605151E-02 , 1031.25000
1.00000000 , 3.09937298E-02 , 3.35441455E-02 , 562.650024
2.00000000 , 2.48839539E-02 , 2.08119415E-02 , 281.325012
3.00000000 , 1.81604158E-02 , 1.78913437E-02 , 187.688004