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

    Vehicle |
     Number |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,719       67.19       67.19
          2 |      2,706       27.06       94.25
          3 |        416        4.16       98.41
          4 |         93        0.93       99.34
          5 |         37        0.37       99.71
          6 |         14        0.14       99.85
          7 |          5        0.05       99.90
          8 |          2        0.02       99.92
          9 |          2        0.02       99.94
         10 |          2        0.02       99.96
         11 |          2        0.02       99.98
         12 |          1        0.01       99.99
         13 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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