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

   Previous |
      Other |
 Harmful MV |
Convictions |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,793       67.93       67.93
          1 |      1,672       16.72       84.65
          2 |        507        5.07       89.72
          3 |        205        2.05       91.77
          4 |         79        0.79       92.56
          5 |         37        0.37       92.93
          6 |         18        0.18       93.11
          7 |         10        0.10       93.21
          8 |          5        0.05       93.26
          9 |          7        0.07       93.33
         10 |          2        0.02       93.35
         11 |          5        0.05       93.40
         99 |        660        6.60      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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