xper,xns,xew,xco
0.100000001 , 23.6501312 , 18.5619678 , 1083.50000
0.200000003 , 51.3627434 , 26.2930222 , 1250.00000
0.300000012 , 25.1813278 , 17.0515099 , 1250.00000
0.500000000 , 7.13720608 , 6.01653719 , 1250.00000
1.00000000 , 2.48511076 , 1.20791757 , 700.000000
2.00000000 , 0.496276021 , 0.214918151 , 350.000000
3.00000000 , 0.226067096 , 9.52038467E-02 , 233.500000