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

   Previous |
      Other |
 Harmful MV |
Convictions |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,427       64.27       64.27
          1 |      1,732       17.32       81.59
          2 |        626        6.26       87.85
          3 |        216        2.16       90.01
          4 |         96        0.96       90.97
          5 |         45        0.45       91.42
          6 |         32        0.32       91.74
          7 |         15        0.15       91.89
          8 |          2        0.02       91.91
          9 |          1        0.01       91.92
         10 |          3        0.03       91.95
         11 |          1        0.01       91.96
         12 |          1        0.01       91.97
         17 |          1        0.01       91.98
         18 |          1        0.01       91.99
         99 |        801        8.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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