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

 GVW RATING |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,099       90.99       90.99
          1 |          4        0.04       91.03
          2 |        118        1.18       92.21
          3 |        675        6.75       98.96
          9 |        104        1.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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