xper,xns,xew,xco
0.100000001 , 0.748902440 , 0.767063737 , 892.650024
0.200000003 , 0.146086469 , 0.157954335 , 1031.25000
0.300000012 , 9.50258970E-02 , 7.60476291E-02 , 1031.25000
0.500000000 , 4.12259959E-02 , 4.30499241E-02 , 1031.25000
1.00000000 , 3.10470257E-02 , 3.35260443E-02 , 562.650024
2.00000000 , 2.53076665E-02 , 2.07965132E-02 , 281.325012
3.00000000 , 1.82283372E-02 , 1.79027561E-02 , 187.688004