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

    Vehicle |
     Number |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,777       67.77       67.77
          2 |      2,769       27.69       95.46
          3 |        368        3.68       99.14
          4 |         62        0.62       99.76
          5 |         13        0.13       99.89
          6 |          6        0.06       99.95
          7 |          3        0.03       99.98
          8 |          1        0.01       99.99
          9 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016