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

  NUMBER OF |
      AXLES |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,099       90.99       90.99
          2 |        129        1.29       92.28
          3 |        100        1.00       93.28
          4 |         43        0.43       93.71
          5 |        454        4.54       98.25
          6 |         24        0.24       98.49
          7 |          6        0.06       98.55
          8 |          1        0.01       98.56
         98 |         77        0.77       99.33
         99 |         67        0.67      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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