xper,xns,xew,xco
0.100000001 , 11.3956165 , 8.37394905 , 892.650024
0.200000003 , 11.8779449 , 10.2101126 , 1031.25000
0.300000012 , 12.7126265 , 13.8636637 , 1031.25000
0.500000000 , 6.68662071 , 9.13276958 , 1031.25000
1.00000000 , 1.51154828 , 2.78915596 , 562.650024
2.00000000 , 0.798479319 , 0.580748439 , 281.325012
3.00000000 , 0.141738102 , 0.152162626 , 187.688004