xper,xns,xew,xco
0.100000001 , 0.318121880 , 0.223831072 , 973.799988
0.200000003 , 9.45264548E-02 , 9.12971422E-02 , 1125.00000
0.300000012 , 6.07592650E-02 , 7.80416727E-02 , 1125.00000
0.500000000 , 3.46454456E-02 , 3.73830833E-02 , 1125.00000
1.00000000 , 3.20629776E-02 , 3.79504301E-02 , 675.000000
2.00000000 , 7.45568099E-03 , 4.52222070E-03 , 337.500000
3.00000000 , 3.02756694E-03 , 2.52224109E-03 , 225.000000