xper,xns,xew,xco
0.100000001 , 20.9105835 , 14.6568556 , 892.650024
0.200000003 , 30.2194405 , 22.5174980 , 1031.25000
0.300000012 , 38.4805756 , 20.1823044 , 1031.25000
0.500000000 , 10.9476957 , 3.70832157 , 1031.25000
1.00000000 , 1.73031664 , 0.485067099 , 562.650024
2.00000000 , 0.366529673 , 0.105480462 , 281.325012
3.00000000 , 0.149363533 , 4.56718132E-02 , 187.688004