xper,xns,xew,xco
0.100000001 , 2.51164913 , 3.15559602 , 1083.50000
0.200000003 , 0.134962752 , 0.150301144 , 1250.00000
0.300000012 , 5.41293845E-02 , 5.39894514E-02 , 1250.00000
0.500000000 , 1.83186419E-02 , 2.02090088E-02 , 1250.00000
1.00000000 , 5.84911183E-03 , 5.41835371E-03 , 700.000000
2.00000000 , 1.88105134E-03 , 2.07405677E-03 , 350.000000
3.00000000 , 1.22723123E-03 , 1.39960437E-03 , 233.500000