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

   PREVIOUS |
SUSPENSIONS |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,303       83.03       83.03
          1 |        594        5.94       88.97
          2 |        289        2.89       91.86
          3 |        133        1.33       93.19
          4 |         63        0.63       93.82
          5 |         28        0.28       94.10
          6 |         25        0.25       94.35
          7 |          9        0.09       94.44
          8 |         11        0.11       94.55
          9 |          6        0.06       94.61
         10 |          4        0.04       94.65
         11 |          2        0.02       94.67
         13 |          2        0.02       94.69
         14 |          2        0.02       94.71
         15 |          1        0.01       94.72
         16 |          2        0.02       94.74
         17 |          2        0.02       94.76
         18 |          1        0.01       94.77
         20 |          1        0.01       94.78
         99 |        470        4.70       99.48
          . |         52        0.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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