xper,xns,xew,xco
0.100000001 , 0.489938229 , 0.331820399 , 892.650024
0.200000003 , 6.89239874E-02 , 6.83501735E-02 , 1031.25000
0.300000012 , 4.98584434E-02 , 5.40277436E-02 , 1031.25000
0.500000000 , 3.40760052E-02 , 3.25224586E-02 , 1031.25000
1.00000000 , 2.87381317E-02 , 3.24224681E-02 , 562.650024
2.00000000 , 2.49330793E-02 , 2.38511488E-02 , 281.325012
3.00000000 , 1.96693968E-02 , 2.51843948E-02 , 187.688004