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

   Previous |
      Other |
 Harmful MV |
Convictions |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,774       67.74       67.74
          1 |      1,667       16.67       84.41
          2 |        529        5.29       89.70
          3 |        192        1.92       91.62
          4 |         81        0.81       92.43
          5 |         33        0.33       92.76
          6 |         19        0.19       92.95
          7 |         11        0.11       93.06
          8 |         11        0.11       93.17
          9 |          4        0.04       93.21
         10 |          2        0.02       93.23
         11 |          1        0.01       93.24
         14 |          1        0.01       93.25
         99 |        675        6.75      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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