xper,xns,xew,xco
0.100000001 , 0.919624984 , 1.26432991 , 892.650024
0.200000003 , 1.28734767 , 0.926543534 , 1031.25000
0.300000012 , 1.38797212 , 0.878665328 , 1031.25000
0.500000000 , 0.797314227 , 0.492221534 , 1031.25000
1.00000000 , 0.120027617 , 0.115627013 , 562.650024
2.00000000 , 2.48244572E-02 , 1.85071230E-02 , 281.325012
3.00000000 , 9.17022396E-03 , 7.15517253E-03 , 187.688004