xper,xns,xew,xco
0.100000001 , 0.127890661 , 0.323978990 , 892.650024
0.200000003 , 6.45639300E-02 , 7.29375258E-02 , 1031.25000
0.300000012 , 4.63523343E-02 , 4.19860370E-02 , 1031.25000
0.500000000 , 1.62629262E-02 , 1.66801512E-02 , 1031.25000
1.00000000 , 2.25276873E-03 , 2.39552488E-03 , 562.650024
2.00000000 , 2.31897156E-03 , 2.23234226E-03 , 281.325012
3.00000000 , 1.64005964E-03 , 1.60411512E-03 , 187.688004