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

 CARGO BODY |
       TYPE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,191       91.91       91.91
          1 |        286        2.86       94.77
          2 |         45        0.45       95.22
          3 |        105        1.05       96.27
          4 |         51        0.51       96.78
          5 |          7        0.07       96.85
          6 |          4        0.04       96.89
          7 |         23        0.23       97.12
          8 |        174        1.74       98.86
          9 |         51        0.51       99.37
         99 |         63        0.63      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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