xper,xns,xew,xco
0.100000001 , 0.780361116 , 0.551370800 , 892.650024
0.200000003 , 0.351892442 , 0.348873168 , 1031.25000
0.300000012 , 0.356427163 , 0.347562641 , 1031.25000
0.500000000 , 0.245474949 , 0.231726542 , 1031.25000
1.00000000 , 0.105207965 , 9.32301283E-02 , 562.650024
2.00000000 , 8.19437727E-02 , 9.93493870E-02 , 281.325012
3.00000000 , 6.10968582E-02 , 5.70621751E-02 , 187.688004