xper,xns,xew,xco
0.100000001 , 21.1627827 , 21.7460251 , 1082.00000
0.200000003 , 66.5198822 , 61.8256683 , 1250.00000
0.300000012 , 25.5860405 , 43.2807617 , 1250.00000
0.500000000 , 11.5589848 , 26.0876064 , 1000.00000
1.00000000 , 2.97149825 , 4.60186386 , 500.000000
2.00000000 , 0.755932510 , 1.10831535 , 250.000000
3.00000000 , 0.240583643 , 0.437330365 , 144.500000