xper,xns,xew,xco
0.100000001 , 0.969745934 , 1.13734043 , 1083.50000
0.200000003 , 6.25696108E-02 , 7.71717280E-02 , 1250.00000
0.300000012 , 2.10310351E-02 , 2.47240439E-02 , 1250.00000
0.500000000 , 7.81635661E-03 , 8.26691557E-03 , 1250.00000
1.00000000 , 2.69457418E-03 , 2.39731441E-03 , 700.000000
2.00000000 , 1.62903173E-03 , 1.47779274E-03 , 350.000000
3.00000000 , 1.16661855E-03 , 8.50285054E-04 , 233.500000