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

   Previous |
      Other |
 Harmful MV |
Convictions |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,379       63.79       63.79
          1 |      1,756       17.56       81.35
          2 |        645        6.45       87.80
          3 |        265        2.65       90.45
          4 |        104        1.04       91.49
          5 |         47        0.47       91.96
          6 |         23        0.23       92.19
          7 |         18        0.18       92.37
          8 |          5        0.05       92.42
          9 |          7        0.07       92.49
         10 |          1        0.01       92.50
         11 |          5        0.05       92.55
         12 |          1        0.01       92.56
         13 |          1        0.01       92.57
         16 |          1        0.01       92.58
         26 |          1        0.01       92.59
         67 |          1        0.01       92.60
         99 |        740        7.40      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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