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

 GVW RATING |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,020       90.20       90.20
          1 |          1        0.01       90.21
          2 |        114        1.14       91.35
          3 |        722        7.22       98.57
          9 |        143        1.43      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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