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

   Previous |
      Other |
 Harmful MV |
Convictions |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,582       65.82       65.82
          1 |      1,696       16.96       82.78
          2 |        546        5.46       88.24
          3 |        257        2.57       90.81
          4 |        105        1.05       91.86
          5 |         69        0.69       92.55
          6 |         27        0.27       92.82
          7 |          9        0.09       92.91
          8 |         11        0.11       93.02
          9 |          5        0.05       93.07
         10 |          3        0.03       93.10
         11 |          2        0.02       93.12
         12 |          1        0.01       93.13
         14 |          1        0.01       93.14
         16 |          1        0.01       93.15
         22 |          1        0.01       93.16
         99 |        684        6.84      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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