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

 Violations |
    Charged |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,538       85.38       85.38
          1 |        697        6.97       92.35
          2 |         42        0.42       92.77
          3 |         26        0.26       93.03
          4 |         16        0.16       93.19
          5 |          7        0.07       93.26
          6 |        287        2.87       96.13
          7 |         83        0.83       96.96
          8 |         25        0.25       97.21
          9 |        279        2.79      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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