xper,xns,xew,xco
0.100000001 , 12.5886688 , 7.54384804 , 1083.50000
0.200000003 , 20.8978825 , 12.9532862 , 1250.00000
0.300000012 , 21.8456841 , 16.9491043 , 1250.00000
0.500000000 , 14.9015388 , 10.5311298 , 1250.00000
1.00000000 , 4.66328859 , 3.31981611 , 700.000000
2.00000000 , 3.29779220 , 1.28714383 , 350.000000
3.00000000 , 1.64422846 , 0.753642917 , 233.500000