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

 CARGO BODY |
       TYPE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,036       90.36       90.36
          1 |        320        3.20       93.56
          2 |         56        0.56       94.12
          3 |        165        1.65       95.77
          4 |         67        0.67       96.44
          5 |         13        0.13       96.57
          6 |          9        0.09       96.66
          7 |         17        0.17       96.83
          8 |         58        0.58       97.41
         97 |        121        1.21       98.62
         98 |         57        0.57       99.19
         99 |         81        0.81      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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