xper,xns,xew,xco
0.100000001 , 0.489809930 , 0.332066983 , 892.650024
0.200000003 , 6.90174699E-02 , 8.96640271E-02 , 1031.25000
0.300000012 , 4.88881953E-02 , 5.43226302E-02 , 1031.25000
0.500000000 , 3.41572985E-02 , 3.16632912E-02 , 1031.25000
1.00000000 , 2.99564134E-02 , 3.87314744E-02 , 562.650024
2.00000000 , 2.51844898E-02 , 2.38303281E-02 , 281.325012
3.00000000 , 2.32745167E-02 , 2.59307325E-02 , 187.688004