xper,xns,xew,xco
0.100000001 , 12.9550180 , 8.16433334 , 1083.50000
0.200000003 , 30.0804996 , 23.2257900 , 1250.00000
0.300000012 , 27.3576355 , 16.7850075 , 1250.00000
0.500000000 , 13.2204180 , 6.05203819 , 1250.00000
1.00000000 , 2.15381932 , 1.00848985 , 700.000000
2.00000000 , 0.589924514 , 0.266136557 , 350.000000
3.00000000 , 0.290036261 , 0.127308562 , 233.500000