xper,xns,xew,xco
0.100000001 , 12.5848160 , 7.54457092 , 1083.50000
0.200000003 , 20.8958073 , 12.9536114 , 1250.00000
0.300000012 , 21.8434906 , 16.9499207 , 1250.00000
0.500000000 , 14.8998995 , 10.5301237 , 1250.00000
1.00000000 , 4.66015005 , 3.31954980 , 700.000000
2.00000000 , 3.29975414 , 1.28747809 , 350.000000
3.00000000 , 1.64670444 , 0.753341496 , 233.500000