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

   speeding |
    related |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,375       73.75       73.75
          2 |         32        0.32       74.07
          3 |        632        6.32       80.39
          4 |      1,010       10.10       90.49
          5 |        127        1.27       91.76
          8 |         64        0.64       92.40
          9 |        760        7.60      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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