Frequencies for cargo_bt variable in vehnit dataset :

 CARGO BODY |
       TYPE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,069       84.04       84.04
          1 |         90        7.08       91.12
          2 |          4        0.31       91.43
          3 |         34        2.67       94.10
          4 |         16        1.26       95.36
          5 |          1        0.08       95.44
          6 |          3        0.24       95.68
          7 |          2        0.16       95.83
          8 |          1        0.08       95.91
         10 |          2        0.16       96.07
         11 |          1        0.08       96.15
         12 |          1        0.08       96.23
         20 |          2        0.16       96.38
         21 |          4        0.31       96.70
         96 |         17        1.34       98.03
         97 |          6        0.47       98.51
         98 |         15        1.18       99.69
         99 |          4        0.31      100.00
------------+-----------------------------------
      Total |      1,272      100.00

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