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

   Previous |
   Recorded |
suspensions |
        and |
revocations |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,967       79.67       79.67
          1 |        718        7.18       86.85
          2 |        390        3.90       90.75
          3 |        158        1.58       92.33
          4 |        120        1.20       93.53
          5 |         68        0.68       94.21
          6 |         33        0.33       94.54
          7 |         25        0.25       94.79
          8 |         15        0.15       94.94
          9 |          9        0.09       95.03
         10 |         10        0.10       95.13
         11 |          2        0.02       95.15
         12 |          7        0.07       95.22
         13 |          5        0.05       95.27
         14 |          2        0.02       95.29
         15 |          1        0.01       95.30
         17 |          1        0.01       95.31
         19 |          2        0.02       95.33
         24 |          1        0.01       95.34
         99 |        405        4.05       99.39
        998 |         61        0.61      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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