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

    Vehicle |
     Number |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,761       67.61       67.61
          2 |      2,598       25.98       93.59
          3 |        450        4.50       98.09
          4 |        110        1.10       99.19
          5 |         41        0.41       99.60
          6 |         12        0.12       99.72
          7 |          6        0.06       99.78
          8 |          5        0.05       99.83
          9 |          3        0.03       99.86
         10 |          3        0.03       99.89
         11 |          3        0.03       99.92
         12 |          3        0.03       99.95
         13 |          2        0.02       99.97
         14 |          2        0.02       99.99
         15 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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