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

 CARGO BODY |
       TYPE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,165       91.65       91.65
          1 |        293        2.93       94.58
          2 |         46        0.46       95.04
          3 |        122        1.22       96.26
          4 |         70        0.70       96.96
          5 |          9        0.09       97.05
          6 |          5        0.05       97.10
          7 |         12        0.12       97.22
          8 |         33        0.33       97.55
          9 |         17        0.17       97.72
         20 |          4        0.04       97.76
         21 |         47        0.47       98.23
         96 |         14        0.14       98.37
         97 |         16        0.16       98.53
         98 |         42        0.42       98.95
         99 |        105        1.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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