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

 Violations |
    Charged |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,549       85.49       85.49
          1 |        636        6.36       91.85
          2 |         40        0.40       92.25
          3 |         27        0.27       92.52
          4 |         13        0.13       92.65
          5 |          9        0.09       92.74
          6 |        317        3.17       95.91
          7 |         91        0.91       96.82
          8 |         46        0.46       97.28
          9 |        272        2.72      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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