Frequencies for gvwr variable in vehnit dataset :

 GCW RATING |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,106       83.28       83.28
          1 |          2        0.15       83.43
          2 |         58        4.37       87.80
          3 |        156       11.75       99.55
          9 |          6        0.45      100.00
------------+-----------------------------------
      Total |      1,328      100.00

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