xper,xns,xew,xco
0.100000001 , 3.83288026 , 3.48750854 , 1190.19995
0.200000003 , 1.64309990 , 1.54784346 , 1375.00000
0.300000012 , 1.25391567 , 1.06183243 , 1375.00000
0.500000000 , 0.727380037 , 0.962312400 , 1375.00000
1.00000000 , 1.03774869 , 1.04356480 , 800.250000
2.00000000 , 0.707796216 , 0.497611582 , 399.850006
3.00000000 , 0.523731470 , 0.328287512 , 266.750000