Frequencies for first 10,000 rows of axles variable in vehicle dataset :

  NUMBER OF |
      AXLES |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,101       91.01       91.01
          2 |        153        1.53       92.54
          3 |        105        1.05       93.59
          4 |         32        0.32       93.91
          5 |        356        3.56       97.47
          6 |         13        0.13       97.60
          7 |          4        0.04       97.64
          9 |          2        0.02       97.66
         98 |        142        1.42       99.08
         99 |         92        0.92      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016