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 |      2,589       25.89       93.08
          3 |        485        4.85       97.93
          4 |        130        1.30       99.23
          5 |         44        0.44       99.67
          6 |         19        0.19       99.86
          7 |          8        0.08       99.94
          8 |          3        0.03       99.97
          9 |          2        0.02       99.99
         10 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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