xper,xns,xew,xco
0.100000001 , 21.1628609 , 21.7460213 , 1082.00000
0.200000003 , 66.5199661 , 61.8256531 , 1250.00000
0.300000012 , 25.5861225 , 43.2807541 , 1250.00000
0.500000000 , 11.5590601 , 26.0876007 , 1000.00000
1.00000000 , 2.97140765 , 4.60186291 , 500.000000
2.00000000 , 0.756003976 , 1.10832882 , 250.000000
3.00000000 , 0.240508184 , 0.437342256 , 144.500000