xper,xns,xew,xco
0.100000001 , 293.811188 , 163.788803 , 892.650024
0.200000003 , 105.271553 , 62.2809029 , 1031.25000
0.300000012 , 157.239029 , 56.5796394 , 1031.25000
0.500000000 , 47.5124588 , 46.9282494 , 1031.25000
1.00000000 , 19.2302513 , 9.17121696 , 562.650024
2.00000000 , 1.51926577 , 0.912096858 , 281.325012
3.00000000 , 0.635087430 , 0.385917902 , 187.688004