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

 VIOLATIONS |
    CHARGED |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,475       84.75       84.75
          1 |        551        5.51       90.26
          2 |         42        0.42       90.68
          3 |         23        0.23       90.91
          4 |         70        0.70       91.61
          5 |         20        0.20       91.81
          6 |        412        4.12       95.93
          7 |         91        0.91       96.84
          8 |         25        0.25       97.09
          9 |        291        2.91      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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