xper,xns,xew,xco
0.100000001 , 2.25594137E-02 , 1.67703927E-02 , 892.650024
0.200000003 , 2.30604429E-02 , 1.68979429E-02 , 1031.25000
0.300000012 , 2.05751415E-02 , 1.21970000E-02 , 1031.25000
0.500000000 , 4.03653597E-03 , 4.91961604E-03 , 1031.25000
1.00000000 , 2.85893818E-03 , 2.08053202E-03 , 562.650024
2.00000000 , 1.86776184E-03 , 1.31062989E-03 , 281.325012
3.00000000 , 1.40511210E-03 , 1.89046026E-03 , 187.688004