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

 CARGO BODY |
       TYPE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,181       91.81       91.81
          1 |        257        2.57       94.38
          2 |         60        0.60       94.98
          3 |        116        1.16       96.14
          4 |         59        0.59       96.73
          5 |          6        0.06       96.79
          6 |          6        0.06       96.85
          7 |          6        0.06       96.91
          8 |        150        1.50       98.41
          9 |         52        0.52       98.93
         99 |        107        1.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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