xper,xns,xew,xco
0.100000001 , 0.154721946 , 0.139530733 , 892.650024
0.200000003 , 7.65313730E-02 , 7.83207193E-02 , 1031.25000
0.300000012 , 5.63255884E-02 , 5.29422127E-02 , 1031.25000
0.500000000 , 3.87572944E-02 , 3.75720933E-02 , 1031.25000
1.00000000 , 3.19340415E-02 , 2.94481777E-02 , 562.650024
2.00000000 , 2.63789017E-02 , 2.20456831E-02 , 281.325012
3.00000000 , 1.62188783E-02 , 1.76346954E-02 , 187.688004