xper,xns,xew,xco
0.100000001 , 11.3961773 , 8.37365341 , 892.650024
0.200000003 , 11.8785057 , 10.2098465 , 1031.25000
0.300000012 , 12.7120743 , 13.8633480 , 1031.25000
0.500000000 , 6.68717241 , 9.13309288 , 1031.25000
1.00000000 , 1.45314610 , 2.78947449 , 562.650024
2.00000000 , 0.797870696 , 0.581074417 , 281.325012
3.00000000 , 0.142342374 , 0.126993492 , 187.688004