xper,xns,xew,xco
0.100000001 , 28.6753044 , 30.9991741 , 1083.50000
0.200000003 , 27.2870426 , 35.0220871 , 1250.00000
0.300000012 , 10.2049341 , 18.3657818 , 1250.00000
0.500000000 , 7.32534456 , 7.36971331 , 1250.00000
1.00000000 , 2.21977425 , 2.79853153 , 700.000000
2.00000000 , 0.842464089 , 0.509410560 , 350.000000
3.00000000 , 0.303642184 , 0.262134790 , 233.500000