xper,xns,xew,xco
0.100000001 , 28.6751499 , 30.9986992 , 1083.50000
0.200000003 , 27.2872314 , 35.0225258 , 1250.00000
0.300000012 , 10.2051029 , 18.3664379 , 1250.00000
0.500000000 , 7.32548475 , 7.36926317 , 1250.00000
1.00000000 , 2.21985340 , 2.79913831 , 700.000000
2.00000000 , 0.842371404 , 0.508498251 , 350.000000
3.00000000 , 0.303771168 , 0.261464328 , 233.500000