xper,xns,xew,xco
0.100000001 , 0.860188603 , 0.926200449 , 892.650024
0.200000003 , 0.103195295 , 0.108371086 , 1031.25000
0.300000012 , 6.32987395E-02 , 6.22523092E-02 , 1031.25000
0.500000000 , 3.50703038E-02 , 3.09270415E-02 , 1031.25000
1.00000000 , 2.72405986E-02 , 2.54192520E-02 , 562.650024
2.00000000 , 2.65159812E-02 , 2.22546682E-02 , 281.325012
3.00000000 , 2.15312056E-02 , 2.03391202E-02 , 187.688004