xper,xns,xew,xco
0.100000001 , 293.810791 , 163.788437 , 892.650024
0.200000003 , 105.271904 , 62.2813148 , 1031.25000
0.300000012 , 157.239487 , 56.5791931 , 1031.25000
0.500000000 , 47.5130310 , 46.9277954 , 1031.25000
1.00000000 , 19.2305450 , 9.17050076 , 562.650024
2.00000000 , 1.51897168 , 0.911360919 , 281.325012
3.00000000 , 0.634816885 , 0.385291129 , 187.688004