xper,xns,xew,xco
0.100000001 , 3.83312416 , 3.48700452 , 1190.19995
0.200000003 , 1.64334488 , 1.54733896 , 1375.00000
0.300000012 , 1.25367415 , 1.06133235 , 1375.00000
0.500000000 , 0.726991296 , 0.961606979 , 1375.00000
1.00000000 , 1.03797007 , 1.04405403 , 800.250000
2.00000000 , 0.707905114 , 0.497813046 , 399.850006
3.00000000 , 0.523947895 , 0.328064024 , 266.750000