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

  NUMBER OF |
      AXLES |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,149       91.49       91.49
          2 |        128        1.28       92.77
          3 |         75        0.75       93.52
          4 |         31        0.31       93.83
          5 |        376        3.76       97.59
          6 |         18        0.18       97.77
          7 |          2        0.02       97.79
          8 |          1        0.01       97.80
          9 |          3        0.03       97.83
         98 |        139        1.39       99.22
         99 |         78        0.78      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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