xper,xns,xew,xco
0.100000001 , 0.614775658 , 0.606863081 , 1190.19995
0.200000003 , 0.606894016 , 0.599726081 , 1375.00000
0.300000012 , 0.613971114 , 0.603188276 , 1375.00000
0.500000000 , 0.613202810 , 0.633802235 , 1375.00000
1.00000000 , 0.705697417 , 0.653380215 , 800.250000
2.00000000 , 0.975030303 , 1.00605989 , 399.850006
3.00000000 , 1.73798835 , 1.85577977 , 266.750000