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

    Vehicle |
     Number |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,975       69.75       69.75
          2 |      2,611       26.11       95.86
          3 |        336        3.36       99.22
          4 |         53        0.53       99.75
          5 |         12        0.12       99.87
          6 |          3        0.03       99.90
          7 |          3        0.03       99.93
          8 |          2        0.02       99.95
          9 |          1        0.01       99.96
         10 |          1        0.01       99.97
         11 |          1        0.01       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 , 22 Apr 2016