xper,xns,xew,xco
0.100000001 , 293.811157 , 163.788803 , 892.650024
0.200000003 , 105.271614 , 62.2808952 , 1031.25000
0.300000012 , 157.239258 , 56.5796585 , 1031.25000
0.500000000 , 47.5125732 , 46.9282684 , 1031.25000
1.00000000 , 19.2302666 , 9.17123032 , 562.650024
2.00000000 , 1.51917398 , 0.912070572 , 281.325012
3.00000000 , 0.635037839 , 0.386065215 , 187.688004