xper,xns,xew,xco
0.100000001 , 0.750693500 , 0.768687367 , 892.650024
0.200000003 , 0.144969240 , 0.155863151 , 1031.25000
0.300000012 , 9.50461850E-02 , 7.61584938E-02 , 1031.25000
0.500000000 , 4.30490188E-02 , 4.16584909E-02 , 1031.25000
1.00000000 , 3.01313996E-02 , 3.13971266E-02 , 562.650024
2.00000000 , 1.75398923E-02 , 1.97838843E-02 , 281.325012
3.00000000 , 1.90706607E-02 , 1.94816887E-02 , 187.688004