xper,xns,xew,xco
0.100000001 , 1.49180293 , 8.17129040 , 1083.50000
0.200000003 , 2.25870490 , 10.5660734 , 1250.00000
0.300000012 , 2.17895770 , 15.4450312 , 1250.00000
0.500000000 , 3.09795570 , 14.1477337 , 1250.00000
1.00000000 , 0.451863319 , 2.01346326 , 700.000000
2.00000000 , 0.128103912 , 0.758032918 , 350.000000
3.00000000 , 3.33839767E-02 , 0.318098605 , 233.500000