xper,xns,xew,xco
0.100000001 , 0.418904781 , 0.742784441 , 892.650024
0.200000003 , 0.177005589 , 0.132386684 , 1031.25000
0.300000012 , 5.47380336E-02 , 3.78896743E-02 , 1031.25000
0.500000000 , 9.94472392E-03 , 9.39988066E-03 , 1031.25000
1.00000000 , 1.95394736E-03 , 2.01632129E-03 , 562.650024
2.00000000 , 9.00030602E-04 , 9.66389256E-04 , 281.325012
3.00000000 , 5.95097488E-04 , 6.96048839E-04 , 187.688004