xper,xns,xew,xco
0.100000001 , 172.365219 , 194.178970 , 1190.19995
0.200000003 , 246.032135 , 240.522736 , 1375.00000
0.300000012 , 254.429794 , 281.950500 , 1375.00000
0.500000000 , 189.325150 , 211.249496 , 1375.00000
1.00000000 , 57.1886635 , 60.3014755 , 800.250000
2.00000000 , 12.5684280 , 12.9204073 , 399.850006
3.00000000 , 5.75954580 , 5.96115255 , 266.750000