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

 GCW RATING |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,276       92.76       92.76
          1 |          2        0.02       92.78
          2 |        148        1.48       94.26
          3 |        556        5.56       99.82
          9 |         18        0.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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