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

    Previos |
      Other |
 Harmful MV |
Convictions |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,288       72.88       72.88
          1 |      1,406       14.06       86.94
          2 |        395        3.95       90.89
          3 |        166        1.66       92.55
          4 |         67        0.67       93.22
          5 |         34        0.34       93.56
          6 |         18        0.18       93.74
          7 |          7        0.07       93.81
          8 |          6        0.06       93.87
          9 |          5        0.05       93.92
         10 |          4        0.04       93.96
         11 |          3        0.03       93.99
         12 |          1        0.01       94.00
         13 |          2        0.02       94.02
         16 |          1        0.01       94.03
         99 |        597        5.97      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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