Frequencies for gvwr variable in vehnit dataset :

 GVW RATING |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,227       82.85       82.85
          1 |          1        0.07       82.92
          2 |         57        3.85       86.77
          3 |        181       12.22       98.99
          9 |         15        1.01      100.00
------------+-----------------------------------
      Total |      1,481      100.00

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