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

   Previous |
      other |
 harmful MV |
convictions |      Freq.     Percent        Cum.
------------+-----------------------------------
         -1 |         15        0.15        0.15
          0 |      7,722       77.22       77.37
          1 |      1,364       13.64       91.01
          2 |        313        3.13       94.14
          3 |         87        0.87       95.01
          4 |         35        0.35       95.36
          5 |         18        0.18       95.54
          6 |          5        0.05       95.59
          7 |          4        0.04       95.63
          8 |          2        0.02       95.65
         11 |          1        0.01       95.66
         99 |        387        3.87       99.53
          . |         47        0.47      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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