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

   PREVIOUS |
SUSPENSIONS |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,205       82.05       82.05
          1 |        747        7.47       89.52
          2 |        270        2.70       92.22
          3 |        107        1.07       93.29
          4 |         50        0.50       93.79
          5 |         25        0.25       94.04
          6 |         18        0.18       94.22
          7 |          9        0.09       94.31
          8 |          5        0.05       94.36
          9 |          3        0.03       94.39
         10 |          2        0.02       94.41
         11 |          1        0.01       94.42
         12 |          2        0.02       94.44
         13 |          1        0.01       94.45
         14 |          1        0.01       94.46
         15 |          1        0.01       94.47
         17 |          1        0.01       94.48
         99 |        552        5.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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