xper,xns,xew,xco
0.100000001 , 0.625990331 , 0.408801019 , 892.650024
0.200000003 , 0.167333692 , 0.142033592 , 1031.25000
0.300000012 , 0.151270628 , 0.118405581 , 1031.25000
0.500000000 , 5.41453883E-02 , 4.81082685E-02 , 1031.25000
1.00000000 , 3.14657316E-02 , 3.02839056E-02 , 562.650024
2.00000000 , 2.86891889E-02 , 1.79780722E-02 , 281.325012
3.00000000 , 1.91732496E-02 , 2.33456455E-02 , 187.688004