xper,xns,xew,xco
0.100000001 , 0.418166935 , 0.462710828 , 892.650024
0.200000003 , 0.424846381 , 0.278159529 , 1031.25000
0.300000012 , 0.338459730 , 0.243388459 , 1031.25000
0.500000000 , 0.427770734 , 0.280941039 , 1031.25000
1.00000000 , 0.677632689 , 0.511450469 , 562.650024
2.00000000 , 0.156002045 , 0.134973317 , 281.325012
3.00000000 , 4.97718342E-02 , 5.21920025E-02 , 187.688004