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

  VIOLATION |
   CHARGE 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,735       97.35       97.35
          4 |          6        0.06       97.41
          7 |          4        0.04       97.45
         11 |         10        0.10       97.55
         12 |          1        0.01       97.56
         13 |          1        0.01       97.57
         23 |          1        0.01       97.58
         46 |          1        0.01       97.59
         51 |          1        0.01       97.60
         52 |          2        0.02       97.62
         53 |          1        0.01       97.63
         62 |          1        0.01       97.64
         71 |          3        0.03       97.67
         72 |          4        0.04       97.71
         75 |          2        0.02       97.73
         76 |          8        0.08       97.81
         81 |          1        0.01       97.82
         83 |          5        0.05       97.87
         92 |          1        0.01       97.88
         98 |          1        0.01       97.89
         99 |        138        1.38       99.27
          . |         73        0.73      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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