xper,xns,xew,xco
0.100000001 , 23.6509552 , 18.5624905 , 1083.50000
0.200000003 , 51.3619576 , 26.2925262 , 1250.00000
0.300000012 , 25.1821404 , 17.0509911 , 1250.00000
0.500000000 , 7.13801765 , 6.01677036 , 1250.00000
1.00000000 , 2.48430061 , 1.20765018 , 700.000000
2.00000000 , 0.495302975 , 0.214378595 , 350.000000
3.00000000 , 0.224814549 , 9.55096111E-02 , 233.500000