xper,xns,xew,xco
0.100000001 , 0.218633980 , 0.284702867 , 1083.50000
0.200000003 , 5.76558784E-02 , 5.09546101E-02 , 1250.00000
0.300000012 , 3.88536900E-02 , 2.84803770E-02 , 1250.00000
0.500000000 , 3.49560678E-02 , 3.04123797E-02 , 1250.00000
1.00000000 , 2.30800062E-02 , 1.93264466E-02 , 700.000000
2.00000000 , 1.52639328E-02 , 1.23606790E-02 , 350.000000
3.00000000 , 1.05160754E-02 , 9.39969346E-03 , 233.500000