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

   PREVIOUS |
SUSPENSIONS |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,291       82.91       82.91
          1 |        557        5.57       88.48
          2 |        275        2.75       91.23
          3 |        137        1.37       92.60
          4 |         65        0.65       93.25
          5 |         33        0.33       93.58
          6 |         25        0.25       93.83
          7 |         17        0.17       94.00
          8 |         12        0.12       94.12
          9 |          9        0.09       94.21
         10 |          2        0.02       94.23
         11 |          1        0.01       94.24
         12 |          3        0.03       94.27
         13 |          3        0.03       94.30
         14 |          1        0.01       94.31
         16 |          2        0.02       94.33
         20 |          2        0.02       94.35
         99 |        492        4.92       99.27
          . |         73        0.73      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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