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

 CARGO BODY |
       TYPE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,225       92.25       92.25
          1 |        210        2.10       94.35
          2 |         55        0.55       94.90
          3 |        123        1.23       96.13
          4 |         47        0.47       96.60
          5 |          1        0.01       96.61
          6 |          5        0.05       96.66
          7 |          7        0.07       96.73
          8 |        143        1.43       98.16
          9 |         55        0.55       98.71
         99 |        129        1.29      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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