xper,xns,xew,xco
0.100000001 , 0.273748189 , 0.657044291 , 892.650024
0.200000003 , 8.23594332E-02 , 9.05390456E-02 , 1031.25000
0.300000012 , 6.11355454E-02 , 9.12263617E-02 , 1031.25000
0.500000000 , 3.57972570E-02 , 2.97710411E-02 , 1031.25000
1.00000000 , 2.78898608E-03 , 3.09673836E-03 , 562.650024
2.00000000 , 1.09803840E-03 , 1.57249649E-03 , 281.325012
3.00000000 , 7.91546947E-04 , 1.18574954E-03 , 187.688004