xper,xns,xew,xco
0.100000001 , 0.292604357 , 0.142854273 , 892.650024
0.200000003 , 5.11955433E-02 , 7.85509720E-02 , 1031.25000
0.300000012 , 4.22692150E-02 , 4.35031652E-02 , 1031.25000
0.500000000 , 3.19428183E-02 , 3.14807519E-02 , 1031.25000
1.00000000 , 2.86051519E-02 , 2.51543596E-02 , 562.650024
2.00000000 , 2.39350628E-02 , 2.67739724E-02 , 281.325012
3.00000000 , 2.86601540E-02 , 2.18462814E-02 , 187.688004