xper,xns,xew,xco
0.100000001 , 0.949552953 , 0.550612271 , 1082.00000
0.200000003 , 0.224701539 , 0.223861247 , 1250.00000
0.300000012 , 0.329844743 , 0.273637325 , 1250.00000
0.500000000 , 0.170704857 , 0.306217194 , 1000.00000
1.00000000 , 6.93700612E-02 , 6.58091307E-02 , 500.000000
2.00000000 , 2.64954641E-02 , 2.67332327E-02 , 250.000000
3.00000000 , 1.33733181E-02 , 8.99695139E-03 , 144.500000