xper,xns,xew,xco
0.100000001 , 1.58339965 , 1.76000953 , 892.650024
0.200000003 , 1.76382756 , 2.09028578 , 1031.25000
0.300000012 , 2.07971597 , 2.86237979 , 1031.25000
0.500000000 , 3.62780905 , 4.61905241 , 1031.25000
1.00000000 , 3.52261019 , 3.90944743 , 562.650024
2.00000000 , 2.35279775 , 3.94055057 , 281.325012
3.00000000 , 1.28086686 , 1.24953604 , 187.688004