xper,xns,xew,xco
0.100000001 , 0.539016664 , 0.849870384 , 892.650024
0.200000003 , 0.876318753 , 0.678035438 , 1031.25000
0.300000012 , 1.21219444 , 1.19006968 , 1031.25000
0.500000000 , 1.35866237 , 2.01212668 , 1031.25000
1.00000000 , 0.298447043 , 0.221428454 , 562.650024
2.00000000 , 6.02539033E-02 , 6.41917363E-02 , 281.325012
3.00000000 , 2.58438941E-02 , 2.39871871E-02 , 187.688004