xper,xns,xew,xco
0.100000001 , 172.289154 , 194.165359 , 1190.19995
0.200000003 , 245.956024 , 240.509140 , 1375.00000
0.300000012 , 254.353546 , 281.936829 , 1375.00000
0.500000000 , 189.401962 , 211.263275 , 1375.00000
1.00000000 , 57.1120186 , 60.2877731 , 800.250000
2.00000000 , 12.6444473 , 12.9340372 , 399.850006
3.00000000 , 5.83574057 , 5.97467566 , 266.750000