xper,xns,xew,xco
0.100000001 , 11.3954849 , 8.37368870 , 892.650024
0.200000003 , 11.8778248 , 10.2098808 , 1031.25000
0.300000012 , 12.7127504 , 13.8633842 , 1031.25000
0.500000000 , 6.68649292 , 9.13305950 , 1031.25000
1.00000000 , 1.51131594 , 2.78944373 , 562.650024
2.00000000 , 0.798619747 , 0.581031144 , 281.325012
3.00000000 , 0.141597196 , 0.152578413 , 187.688004