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

  NUMBER OF |
      AXLES |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,116       91.16       91.16
          2 |        136        1.36       92.52
          3 |         90        0.90       93.42
          4 |         29        0.29       93.71
          5 |        445        4.45       98.16
          6 |         20        0.20       98.36
          7 |          1        0.01       98.37
          8 |          2        0.02       98.39
          9 |          2        0.02       98.41
         98 |         72        0.72       99.13
         99 |         87        0.87      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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