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

   PREVIOUS |
SUSPENSIONS |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,318       83.18       83.18
          1 |        591        5.91       89.09
          2 |        255        2.55       91.64
          3 |        125        1.25       92.89
          4 |         67        0.67       93.56
          5 |         33        0.33       93.89
          6 |         25        0.25       94.14
          7 |          7        0.07       94.21
          8 |         10        0.10       94.31
          9 |          8        0.08       94.39
         10 |          2        0.02       94.41
         11 |          2        0.02       94.43
         12 |          4        0.04       94.47
         13 |          1        0.01       94.48
         14 |          1        0.01       94.49
         15 |          1        0.01       94.50
         23 |          1        0.01       94.51
         99 |        468        4.68       99.19
          . |         81        0.81      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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