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

 GVW RATING |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,991       89.91       89.91
          1 |          5        0.05       89.96
          2 |        117        1.17       91.13
          3 |        727        7.27       98.40
          9 |        160        1.60      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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