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

    Vehicle |
     Number |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,926       69.26       69.26
          2 |      2,647       26.47       95.73
          3 |        329        3.29       99.02
          4 |         60        0.60       99.62
          5 |         20        0.20       99.82
          6 |          5        0.05       99.87
          7 |          4        0.04       99.91
          8 |          2        0.02       99.93
          9 |          2        0.02       99.95
         10 |          2        0.02       99.97
         11 |          2        0.02       99.99
         12 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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