xper,xns,xew,xco
0.100000001 , 12.9574594 , 8.16382599 , 1083.50000
0.200000003 , 30.0776577 , 23.2257881 , 1250.00000
0.300000012 , 27.3548069 , 16.7851238 , 1250.00000
0.500000000 , 13.2173624 , 6.05170679 , 1250.00000
1.00000000 , 2.15661931 , 2.06347704 , 700.000000
2.00000000 , 0.587053776 , 0.367719203 , 350.000000
3.00000000 , 0.287171304 , 0.151900560 , 233.500000