xper,xns,xew,xco
0.100000001 , 0.377701312 , 0.251824200 , 892.650024
0.200000003 , 7.58400336E-02 , 8.73941556E-02 , 1031.25000
0.300000012 , 4.60771807E-02 , 6.21034913E-02 , 1031.25000
0.500000000 , 3.31717134E-02 , 2.88524088E-02 , 1031.25000
1.00000000 , 2.63283569E-02 , 2.75315642E-02 , 562.650024
2.00000000 , 2.80569494E-02 , 2.27799471E-02 , 281.325012
3.00000000 , 2.73170434E-02 , 1.69575457E-02 , 187.688004