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

   PREVIOUS |
SUSPENSIONS |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,173       81.73       81.73
          1 |        795        7.95       89.68
          2 |        285        2.85       92.53
          3 |        123        1.23       93.76
          4 |         75        0.75       94.51
          5 |         26        0.26       94.77
          6 |         11        0.11       94.88
          7 |          2        0.02       94.90
          8 |          3        0.03       94.93
          9 |          8        0.08       95.01
         10 |          3        0.03       95.04
         11 |          1        0.01       95.05
         12 |          1        0.01       95.06
         13 |          1        0.01       95.07
         27 |          1        0.01       95.08
         40 |          1        0.01       95.09
         99 |        491        4.91      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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