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

 Violations |
    Charged |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,469       84.69       84.69
          1 |        710        7.10       91.79
          2 |         38        0.38       92.17
          3 |         13        0.13       92.30
          4 |         22        0.22       92.52
          5 |         12        0.12       92.64
          6 |        359        3.59       96.23
          7 |        120        1.20       97.43
          8 |         21        0.21       97.64
          9 |        236        2.36      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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