xper,xns,xew,xco
0.100000001 , 0.126358926 , 6.32391721E-02 , 892.650024
0.200000003 , 7.44790062E-02 , 3.68750356E-02 , 1031.25000
0.300000012 , 5.07450290E-02 , 2.49236040E-02 , 1031.25000
0.500000000 , 3.01262252E-02 , 1.49007076E-02 , 1031.25000
1.00000000 , 1.47014735E-02 , 7.24858185E-03 , 562.650024
2.00000000 , 6.97277207E-03 , 3.64079978E-03 , 281.325012
3.00000000 , 5.03451796E-03 , 2.47566309E-03 , 187.688004