xper,xns,xew,xco
0.100000001 , 3.90985298 , 4.99564934 , 1083.50000
0.200000003 , 4.86234570 , 6.16470575 , 1250.00000
0.300000012 , 2.51193142 , 2.46109915 , 1250.00000
0.500000000 , 1.04406238 , 1.64254439 , 1250.00000
1.00000000 , 0.440026194 , 0.431714267 , 700.000000
2.00000000 , 0.606999636 , 0.586102307 , 350.000000
3.00000000 , 1.01499033 , 0.878852308 , 233.500000