xper,xns,xew,xco
0.100000001 , 172.270615 , 194.165863 , 1190.19995
0.200000003 , 245.937698 , 240.509659 , 1375.00000
0.300000012 , 254.335205 , 281.937408 , 1375.00000
0.500000000 , 189.420547 , 211.262772 , 1375.00000
1.00000000 , 57.0935287 , 60.2883377 , 800.250000
2.00000000 , 12.6627722 , 12.9334803 , 399.850006
3.00000000 , 5.85404873 , 5.97417164 , 266.750000