xper,xns,xew,xco
0.100000001 , 11.3953819 , 8.37304020 , 892.650024
0.200000003 , 11.8777122 , 10.2092876 , 1031.25000
0.300000012 , 12.7128553 , 13.8627014 , 1031.25000
0.500000000 , 6.68638706 , 9.13376331 , 1031.25000
1.00000000 , 1.45228338 , 2.79013109 , 562.650024
2.00000000 , 0.798731685 , 0.581713498 , 281.325012
3.00000000 , 0.141488835 , 0.153555050 , 187.688004