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

 Violations |
    Charged |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,490       84.90       84.90
          1 |        675        6.75       91.65
          2 |         35        0.35       92.00
          3 |         38        0.38       92.38
          4 |         27        0.27       92.65
          5 |          3        0.03       92.68
          6 |        336        3.36       96.04
          7 |         74        0.74       96.78
          8 |         28        0.28       97.06
          9 |        294        2.94      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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