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

 GVW RATING |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,141       91.41       91.41
          1 |          5        0.05       91.46
          2 |         76        0.76       92.22
          3 |        645        6.45       98.67
          9 |        133        1.33      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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