xper,xns,xew,xco
0.100000001 , 0.377645522 , 0.251865059 , 892.650024
0.200000003 , 7.58746043E-02 , 8.73570666E-02 , 1031.25000
0.300000012 , 4.61373143E-02 , 6.20727018E-02 , 1031.25000
0.500000000 , 3.30353640E-02 , 2.87584029E-02 , 1031.25000
1.00000000 , 2.61919666E-02 , 2.75560785E-02 , 562.650024
2.00000000 , 2.79089045E-02 , 2.29621343E-02 , 281.325012
3.00000000 , 2.72329766E-02 , 1.70607530E-02 , 187.688004