xper,xns,xew,xco
0.100000001 , 0.476960331 , 0.916675687 , 892.650024
0.200000003 , 0.225896046 , 0.421188533 , 1031.25000
0.300000012 , 0.258306086 , 0.274402380 , 1031.25000
0.500000000 , 0.326641321 , 0.305212557 , 1031.25000
1.00000000 , 4.26611230E-02 , 4.01617736E-02 , 562.650024
2.00000000 , 8.85962415E-03 , 7.02882698E-03 , 281.325012
3.00000000 , 4.42959601E-03 , 3.88949574E-03 , 187.688004