xper,xns,xew,xco
0.100000001 , 314.066742 , 343.727142 , 1083.50000
0.200000003 , 572.966248 , 575.242554 , 1250.00000
0.300000012 , 1103.18274 , 895.907715 , 1250.00000
0.500000000 , 475.940491 , 623.530701 , 1250.00000
1.00000000 , 137.130356 , 207.990234 , 700.000000
2.00000000 , 49.4447060 , 52.9895439 , 350.000000
3.00000000 , 19.4275513 , 19.6247978 , 233.500000