xper,xns,xew,xco
0.100000001 , 0.748941600 , 0.766985357 , 892.650024
0.200000003 , 0.146070629 , 0.158079296 , 1031.25000
0.300000012 , 9.50493440E-02 , 7.61204138E-02 , 1031.25000
0.500000000 , 4.12660800E-02 , 4.31049466E-02 , 1031.25000
1.00000000 , 3.10382228E-02 , 3.36547904E-02 , 562.650024
2.00000000 , 2.51694415E-02 , 2.10082158E-02 , 281.325012
3.00000000 , 1.81625038E-02 , 1.78290922E-02 , 187.688004