xper,xns,xew,xco
0.100000001 , 0.160875887 , 9.55973715E-02 , 892.650024
0.200000003 , 8.66957083E-02 , 4.78587113E-02 , 1031.25000
0.300000012 , 4.39719558E-02 , 6.15665913E-02 , 1031.25000
0.500000000 , 2.85645295E-02 , 1.90972071E-02 , 1031.25000
1.00000000 , 4.14424110E-03 , 3.57167982E-03 , 562.650024
2.00000000 , 1.34667510E-03 , 2.23460863E-03 , 281.325012
3.00000000 , 1.51212688E-03 , 1.62779610E-03 , 187.688004