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

 CARGO BODY |
       TYPE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,277       92.77       92.77
          1 |        326        3.26       96.03
          2 |         48        0.48       96.51
          3 |         77        0.77       97.28
          4 |         41        0.41       97.69
          5 |          3        0.03       97.72
          6 |          8        0.08       97.80
          7 |         14        0.14       97.94
          8 |         12        0.12       98.06
          9 |          7        0.07       98.13
         10 |         10        0.10       98.23
         12 |          2        0.02       98.25
         22 |         59        0.59       98.84
         96 |         34        0.34       99.18
         97 |         41        0.41       99.59
         98 |         24        0.24       99.83
         99 |         17        0.17      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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