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

    VEHICLE |
      FORMS |
  SUBMITTED |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      3,989       39.89       39.89
          2 |      4,346       43.46       83.35
          3 |      1,035       10.35       93.70
          4 |        376        3.76       97.46
          5 |        150        1.50       98.96
          6 |         30        0.30       99.26
          7 |          7        0.07       99.33
          8 |         24        0.24       99.57
          9 |          9        0.09       99.66
         11 |         22        0.22       99.88
         12 |         12        0.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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