xper,xns,xew,xco
0.100000001 , 0.239970207 , 0.366766930 , 892.650024
0.200000003 , 6.38987273E-02 , 5.95810972E-02 , 1031.25000
0.300000012 , 3.00250202E-02 , 3.17027085E-02 , 1031.25000
0.500000000 , 8.54861084E-03 , 8.56273714E-03 , 1031.25000
1.00000000 , 1.87242602E-03 , 2.04150146E-03 , 562.650024
2.00000000 , 1.13658933E-03 , 1.42877630E-03 , 281.325012
3.00000000 , 8.67998868E-04 , 1.07458152E-03 , 187.688004