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

    VEHICLE |
      FORMS |
  SUBMITTED |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      3,995       39.95       39.95
          2 |      4,468       44.68       84.63
          3 |        987        9.87       94.50
          4 |        268        2.68       97.18
          5 |         75        0.75       97.93
          6 |         42        0.42       98.35
          7 |         42        0.42       98.77
          9 |         27        0.27       99.04
         11 |         22        0.22       99.26
         14 |         28        0.28       99.54
         16 |         16        0.16       99.70
         30 |         30        0.30      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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