xper,xns,xew,xco
0.100000001 , 172.292557 , 194.167526 , 1190.19995
0.200000003 , 245.959534 , 240.511307 , 1375.00000
0.300000012 , 254.357056 , 281.939026 , 1375.00000
0.500000000 , 189.398331 , 211.261078 , 1375.00000
1.00000000 , 57.1154861 , 60.2900276 , 800.250000
2.00000000 , 12.6410084 , 12.9318438 , 399.850006
3.00000000 , 5.83217573 , 5.97250557 , 266.750000