Frequencies for first 10,000 rows of violchg3 variable in vehicle dataset :

  VIOLATION |
   CHARGE 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,771       97.71       97.71
          1 |          3        0.03       97.74
          2 |          2        0.02       97.76
          7 |          4        0.04       97.80
          8 |          1        0.01       97.81
          9 |          2        0.02       97.83
         11 |          9        0.09       97.92
         15 |          1        0.01       97.93
         22 |          1        0.01       97.94
         23 |          3        0.03       97.97
         24 |          1        0.01       97.98
         53 |          1        0.01       97.99
         58 |          1        0.01       98.00
         71 |          6        0.06       98.06
         72 |          8        0.08       98.14
         74 |          4        0.04       98.18
         75 |          1        0.01       98.19
         76 |         13        0.13       98.32
         79 |          1        0.01       98.33
         82 |          1        0.01       98.34
         83 |          8        0.08       98.42
         89 |          1        0.01       98.43
         99 |         92        0.92       99.35
          . |         65        0.65      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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