xper,xns,xew,xco
0.100000001 , 2.46715341E-02 , 1.67894959E-02 , 892.650024
0.200000003 , 2.30713710E-02 , 1.69305466E-02 , 1031.25000
0.300000012 , 2.05625501E-02 , 1.21561671E-02 , 1031.25000
0.500000000 , 4.02444601E-03 , 4.92279558E-03 , 1031.25000
1.00000000 , 2.80963210E-03 , 2.13158643E-03 , 562.650024
2.00000000 , 1.88801053E-03 , 1.67105545E-03 , 281.325012
3.00000000 , 1.31599803E-03 , 1.89116574E-03 , 187.688004