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

 cargo body |
       type |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,202       92.02       92.02
          1 |        319        3.19       95.21
          2 |         46        0.46       95.67
          3 |         78        0.78       96.45
          4 |         49        0.49       96.94
          5 |         11        0.11       97.05
          6 |          7        0.07       97.12
          7 |         14        0.14       97.26
          8 |         19        0.19       97.45
          9 |          1        0.01       97.46
         10 |         18        0.18       97.64
         11 |          8        0.08       97.72
         12 |          3        0.03       97.75
         22 |         65        0.65       98.40
         96 |         41        0.41       98.81
         97 |         69        0.69       99.50
         98 |         37        0.37       99.87
         99 |         13        0.13      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016