xper,xns,xew,xco
0.100000001 , 0.917479575 , 0.819852412 , 649.200012
0.200000003 , 1.15050161 , 1.17265654 , 750.000000
0.300000012 , 1.13600612 , 1.08749068 , 750.000000
0.500000000 , 2.05900335 , 1.80401063 , 750.000000
1.00000000 , 1.83025706 , 3.02896476 , 399.899994
2.00000000 , 1.04525518 , 0.771625698 , 200.100006
3.00000000 , 0.205556855 , 0.233172134 , 133.199997