xper,xns,xew,xco
0.100000001 , 10.2677393 , 10.5031128 , 1083.50000
0.200000003 , 22.6432552 , 30.2816143 , 1250.00000
0.300000012 , 15.5515985 , 16.9676514 , 1250.00000
0.500000000 , 11.9804115 , 8.05419827 , 1250.00000
1.00000000 , 3.49360704 , 1.74833596 , 700.000000
2.00000000 , 0.461689979 , 0.311542004 , 350.000000
3.00000000 , 0.210144296 , 0.170173571 , 233.500000