xper,xns,xew,xco
0.100000001 , 11.9634418 , 13.9649553 , 892.650024
0.200000003 , 19.1319408 , 13.7910280 , 1031.25000
0.300000012 , 13.1334743 , 15.2520790 , 1031.25000
0.500000000 , 13.8626347 , 10.1152754 , 1031.25000
1.00000000 , 2.72611737 , 1.88505745 , 562.650024
2.00000000 , 0.438844353 , 0.500667512 , 281.325012
3.00000000 , 0.166644663 , 0.155698538 , 187.688004