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

   Previous |
   Recorded |
Suspensions |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,976       79.76       79.76
          1 |        847        8.47       88.23
          2 |        356        3.56       91.79
          3 |        104        1.04       92.83
          4 |         58        0.58       93.41
          5 |         29        0.29       93.70
          6 |         16        0.16       93.86
          7 |          8        0.08       93.94
          8 |          4        0.04       93.98
          9 |          1        0.01       93.99
         10 |          1        0.01       94.00
         11 |          2        0.02       94.02
         17 |          1        0.01       94.03
         99 |        597        5.97      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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