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

 CARGO BODY |
       TYPE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,242       92.42       92.42
          1 |        251        2.51       94.93
          2 |         55        0.55       95.48
          3 |         94        0.94       96.42
          4 |         47        0.47       96.89
          5 |          8        0.08       96.97
          6 |          5        0.05       97.02
          7 |         11        0.11       97.13
          8 |        161        1.61       98.74
          9 |         53        0.53       99.27
         99 |         73        0.73      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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