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

   Previous |
      Other |
 Harmful MV |
Convictions |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,956       69.56       69.56
          1 |      1,558       15.58       85.14
          2 |        498        4.98       90.12
          3 |        185        1.85       91.97
          4 |         97        0.97       92.94
          5 |         31        0.31       93.25
          6 |         20        0.20       93.45
          7 |         11        0.11       93.56
          8 |          5        0.05       93.61
          9 |          2        0.02       93.63
         10 |          5        0.05       93.68
         13 |          2        0.02       93.70
         17 |          1        0.01       93.71
         99 |        629        6.29      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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