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

 CARGO BODY |
       TYPE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,125       91.25       91.25
          1 |        345        3.45       94.70
          2 |         47        0.47       95.17
          3 |        111        1.11       96.28
          4 |         61        0.61       96.89
          5 |          9        0.09       96.98
          6 |          7        0.07       97.05
          7 |         21        0.21       97.26
          8 |         23        0.23       97.49
          9 |          3        0.03       97.52
         10 |         14        0.14       97.66
         11 |          1        0.01       97.67
         12 |          1        0.01       97.68
         20 |          6        0.06       97.74
         21 |         56        0.56       98.30
         96 |         36        0.36       98.66
         97 |         35        0.35       99.01
         98 |         50        0.50       99.51
         99 |         49        0.49      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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