xper,xns,xew,xco
0.100000001 , 18.2612076 , 16.3156376 , 1082.00000
0.200000003 , 34.8705635 , 31.3802166 , 1250.00000
0.300000012 , 45.8121643 , 51.5365715 , 1250.00000
0.500000000 , 9.29426098 , 12.1563644 , 1000.00000
1.00000000 , 1.46347606 , 1.77425134 , 500.000000
2.00000000 , 0.333104402 , 0.367588401 , 250.000000
3.00000000 , 0.138697609 , 0.156285331 , 144.500000