xper,xns,xew,xco
0.100000001 , 172.295883 , 194.161133 , 1190.19995
0.200000003 , 245.962845 , 240.504959 , 1375.00000
0.300000012 , 254.360397 , 281.932678 , 1375.00000
0.500000000 , 189.395020 , 211.267578 , 1375.00000
1.00000000 , 57.1189423 , 60.2835541 , 800.250000
2.00000000 , 12.6376066 , 12.9382114 , 399.850006
3.00000000 , 5.82886028 , 5.97894192 , 266.750000