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

   PREVIOUS |
SUSPENSIONS |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,290       82.90       82.90
          1 |        634        6.34       89.24
          2 |        288        2.88       92.12
          3 |        149        1.49       93.61
          4 |         62        0.62       94.23
          5 |         40        0.40       94.63
          6 |         24        0.24       94.87
          7 |         23        0.23       95.10
          8 |          9        0.09       95.19
          9 |          6        0.06       95.25
         10 |          5        0.05       95.30
         11 |          2        0.02       95.32
         12 |          2        0.02       95.34
         13 |          3        0.03       95.37
         14 |          1        0.01       95.38
         15 |          1        0.01       95.39
         23 |          1        0.01       95.40
         99 |        408        4.08       99.48
          . |         52        0.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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