xper,xns,xew,xco
0.100000001 , 0.748881459 , 0.767088950 , 892.650024
0.200000003 , 0.146096140 , 0.157916173 , 1031.25000
0.300000012 , 9.50166360E-02 , 7.60308132E-02 , 1031.25000
0.500000000 , 4.12045605E-02 , 4.30311263E-02 , 1031.25000
1.00000000 , 3.10533699E-02 , 3.34868990E-02 , 562.650024
2.00000000 , 2.53760908E-02 , 2.07415428E-02 , 281.325012
3.00000000 , 1.82570275E-02 , 1.79282706E-02 , 187.688004