xper,xns,xew,xco
0.100000001 , 8.15023041 , 11.7341976 , 892.650024
0.200000003 , 19.4191952 , 15.3938332 , 1031.25000
0.300000012 , 13.7488003 , 26.5349655 , 1031.25000
0.500000000 , 7.32948828 , 16.9393921 , 1031.25000
1.00000000 , 2.69986558 , 4.73156023 , 562.650024
2.00000000 , 0.697910130 , 1.10534692 , 281.325012
3.00000000 , 0.353181869 , 0.373481512 , 187.688004