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

 GVW RATING |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,070       90.70       90.70
          1 |          6        0.06       90.76
          2 |        121        1.21       91.97
          3 |        675        6.75       98.72
          9 |        128        1.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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