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

 Violations |
    Charged |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,419       84.19       84.19
          1 |        734        7.34       91.53
          2 |         44        0.44       91.97
          3 |         12        0.12       92.09
          4 |         15        0.15       92.24
          5 |          9        0.09       92.33
          6 |        370        3.70       96.03
          7 |        149        1.49       97.52
          8 |         12        0.12       97.64
          9 |        236        2.36      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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