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

   PREVIOUS |
SUSPENSIONS |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,342       83.42       83.42
          1 |        700        7.00       90.42
          2 |        236        2.36       92.78
          3 |         87        0.87       93.65
          4 |         65        0.65       94.30
          5 |         38        0.38       94.68
          6 |         16        0.16       94.84
          7 |         15        0.15       94.99
          8 |          4        0.04       95.03
          9 |          3        0.03       95.06
         10 |          7        0.07       95.13
         12 |          2        0.02       95.15
         14 |          2        0.02       95.17
         16 |          1        0.01       95.18
         22 |          1        0.01       95.19
         24 |          1        0.01       95.20
         99 |        417        4.17       99.37
          . |         63        0.63      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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