xper,xns,xew,xco
0.100000001 , 0.602004528 , 1.24368858 , 892.650024
0.200000003 , 0.952608585 , 0.855566204 , 1031.25000
0.300000012 , 1.24553132 , 0.982354462 , 1031.25000
0.500000000 , 1.28419948 , 1.31092608 , 1031.25000
1.00000000 , 0.502446949 , 0.630599976 , 562.650024
2.00000000 , 0.121694960 , 0.109856814 , 281.325012
3.00000000 , 3.36807370E-02 , 3.54683325E-02 , 187.688004