xper,xns,xew,xco
0.100000001 , 4.44363117 , 4.06410456 , 1083.50000
0.200000003 , 5.81481647 , 4.90730953 , 1250.00000
0.300000012 , 6.17886353 , 6.96442890 , 1250.00000
0.500000000 , 7.55417490 , 9.56227207 , 1250.00000
1.00000000 , 9.01138878 , 11.6348982 , 700.000000
2.00000000 , 11.1447630 , 6.70728302 , 350.000000
3.00000000 , 5.33223391 , 2.45379424 , 233.500000