xper,xns,xew,xco
0.100000001 , 0.636304498 , 0.486354172 , 1190.19995
0.200000003 , 0.491784066 , 0.469714761 , 1375.00000
0.300000012 , 0.501784980 , 0.453399360 , 1375.00000
0.500000000 , 0.555644870 , 0.432839394 , 1375.00000
1.00000000 , 0.628203452 , 0.526582718 , 800.250000
2.00000000 , 0.907080531 , 0.891402841 , 399.850006
3.00000000 , 1.38036847 , 1.79628181 , 266.750000