xper,xns,xew,xco
0.100000001 , 0.126262933 , 6.28754273E-02 , 892.650024
0.200000003 , 7.45995790E-02 , 3.73316295E-02 , 1031.25000
0.300000012 , 5.08486107E-02 , 2.53158491E-02 , 1031.25000
0.500000000 , 3.02156173E-02 , 1.52395843E-02 , 1031.25000
1.00000000 , 1.47921275E-02 , 7.59255653E-03 , 562.650024
2.00000000 , 7.05804629E-03 , 3.76880774E-03 , 281.325012
3.00000000 , 4.92652925E-03 , 2.55499105E-03 , 187.688004