xper,xns,xew,xco
0.100000001 , 6.23125397E-02 , 0.286777884 , 973.799988
0.200000003 , 3.33536565E-02 , 4.91919480E-02 , 1125.00000
0.300000012 , 2.54530422E-02 , 3.25511284E-02 , 1125.00000
0.500000000 , 7.90114794E-03 , 7.11374823E-03 , 1125.00000
1.00000000 , 1.49896031E-03 , 1.26035966E-03 , 675.000000
2.00000000 , 9.34260897E-04 , 8.45696719E-04 , 337.500000
3.00000000 , 1.02965801E-03 , 9.71467409E-04 , 225.000000