Frequencies for first 10,000 rows of mviolatn variable in violatn dataset :

 violations |
    charged |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,587       85.87       85.87
          1 |        195        1.95       87.82
          2 |         49        0.49       88.31
          3 |         14        0.14       88.45
          4 |        109        1.09       89.54
          5 |          8        0.08       89.62
          6 |          2        0.02       89.64
          7 |         73        0.73       90.37
          8 |          4        0.04       90.41
          9 |         41        0.41       90.82
         11 |        260        2.60       93.42
         12 |         13        0.13       93.55
         13 |          1        0.01       93.56
         15 |          5        0.05       93.61
         16 |          1        0.01       93.62
         18 |          1        0.01       93.63
         19 |          2        0.02       93.65
         21 |          2        0.02       93.67
         22 |          9        0.09       93.76
         23 |         29        0.29       94.05
         24 |          1        0.01       94.06
         29 |          1        0.01       94.07
         31 |          8        0.08       94.15
         37 |         10        0.10       94.25
         42 |          9        0.09       94.34
         46 |         70        0.70       95.04
         48 |          1        0.01       95.05
         49 |          3        0.03       95.08
         52 |         12        0.12       95.20
         53 |          7        0.07       95.27
         58 |          4        0.04       95.31
         59 |          1        0.01       95.32
         61 |          6        0.06       95.38
         69 |         11        0.11       95.49
         71 |         20        0.20       95.69
         72 |         45        0.45       96.14
         73 |          2        0.02       96.16
         74 |          8        0.08       96.24
         75 |          5        0.05       96.29
         76 |         23        0.23       96.52
         79 |          6        0.06       96.58
         81 |          2        0.02       96.60
         83 |         12        0.12       96.72
         86 |          1        0.01       96.73
         89 |          3        0.03       96.76
         92 |          6        0.06       96.82
         95 |         50        0.50       97.32
         97 |         48        0.48       97.80
         98 |          6        0.06       97.86
         99 |        214        2.14      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016