xper,xns,xew,xco
0.100000001 , 0.602292776 , 1.24370360 , 892.650024
0.200000003 , 0.952893436 , 0.855554402 , 1031.25000
0.300000012 , 1.24581993 , 0.982341647 , 1031.25000
0.500000000 , 1.28455424 , 1.31093669 , 1031.25000
1.00000000 , 0.502769232 , 0.630609870 , 562.650024
2.00000000 , 6.65499270E-02 , 7.70774633E-02 , 281.325012
3.00000000 , 2.65012681E-02 , 3.54252271E-02 , 187.688004