Frequencies for cargo_bt variable in vehnit dataset :

 CARGO BODY |
       TYPE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        940       84.23       84.23
          1 |         76        6.81       91.04
          2 |          2        0.18       91.22
          3 |         28        2.51       93.73
          4 |         14        1.25       94.98
          6 |          1        0.09       95.07
          7 |          5        0.45       95.52
          8 |          1        0.09       95.61
         11 |          1        0.09       95.70
         12 |          3        0.27       95.97
         22 |          4        0.36       96.33
         96 |         19        1.70       98.03
         97 |          9        0.81       98.84
         98 |          9        0.81       99.64
         99 |          4        0.36      100.00
------------+-----------------------------------
      Total |      1,116      100.00

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