xper,xns,xew,xco
0.100000001 , 6.62549958E-02 , 6.96300790E-02 , 892.650024
0.200000003 , 6.05883896E-02 , 4.16949913E-02 , 1031.25000
0.300000012 , 4.32554334E-02 , 3.69774252E-02 , 1031.25000
0.500000000 , 3.12745608E-02 , 2.68739127E-02 , 1031.25000
1.00000000 , 2.53958888E-02 , 2.65300814E-02 , 562.650024
2.00000000 , 2.52850633E-02 , 2.25326028E-02 , 281.325012
3.00000000 , 1.84044298E-02 , 1.92355905E-02 , 187.688004