xper,xns,xew,xco
0.100000001 , 172.283249 , 194.166611 , 1190.19995
0.200000003 , 245.950226 , 240.510468 , 1375.00000
0.300000012 , 254.347717 , 281.938202 , 1375.00000
0.500000000 , 189.407837 , 211.261993 , 1375.00000
1.00000000 , 57.1060829 , 60.2891083 , 800.250000
2.00000000 , 12.6502752 , 12.9327354 , 399.850006
3.00000000 , 5.84151745 , 5.97340155 , 266.750000