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

   Previous |
   Recorded |
suspensions |
        and |
revocations |      Freq.     Percent        Cum.
------------+-----------------------------------
         -1 |         15        0.15        0.15
          0 |      8,107       81.07       81.22
          1 |        678        6.78       88.00
          2 |        347        3.47       91.47
          3 |        144        1.44       92.91
          4 |        115        1.15       94.06
          5 |         54        0.54       94.60
          6 |         29        0.29       94.89
          7 |         22        0.22       95.11
          8 |         26        0.26       95.37
          9 |         15        0.15       95.52
         10 |          6        0.06       95.58
         12 |          2        0.02       95.60
         13 |          1        0.01       95.61
         14 |          1        0.01       95.62
         15 |          1        0.01       95.63
         16 |          3        0.03       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