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

 CARGO BODY |
       TYPE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,128       91.28       91.28
          1 |        306        3.06       94.34
          2 |         65        0.65       94.99
          3 |        127        1.27       96.26
          4 |         60        0.60       96.86
          5 |          9        0.09       96.95
          6 |          3        0.03       96.98
          7 |         20        0.20       97.18
          8 |         29        0.29       97.47
          9 |         13        0.13       97.60
         20 |          8        0.08       97.68
         21 |         47        0.47       98.15
         96 |         12        0.12       98.27
         97 |         39        0.39       98.66
         98 |         40        0.40       99.06
         99 |         94        0.94      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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