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

   Previous |
   Recorded |
Suspensions |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,528       85.28       85.28
          1 |        599        5.99       91.27
          2 |        131        1.31       92.58
          3 |         41        0.41       92.99
          4 |         19        0.19       93.18
          5 |         12        0.12       93.30
          6 |          5        0.05       93.35
          7 |          2        0.02       93.37
          8 |          2        0.02       93.39
         16 |          1        0.01       93.40
         99 |        660        6.60      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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