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

   PREVIOUS |
SUSPENSIONS |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,213       82.13       82.13
          1 |        595        5.95       88.08
          2 |        305        3.05       91.13
          3 |        175        1.75       92.88
          4 |         94        0.94       93.82
          5 |         34        0.34       94.16
          6 |         31        0.31       94.47
          7 |         10        0.10       94.57
          8 |         14        0.14       94.71
          9 |          3        0.03       94.74
         10 |         11        0.11       94.85
         11 |          2        0.02       94.87
         12 |          2        0.02       94.89
         15 |          1        0.01       94.90
         16 |          1        0.01       94.91
         17 |          2        0.02       94.93
         18 |          1        0.01       94.94
         24 |          1        0.01       94.95
         25 |          1        0.01       94.96
         27 |          1        0.01       94.97
         99 |        441        4.41       99.38
          . |         62        0.62      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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