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

   PREVIOUS |
SUSPENSIONS |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,071       80.71       80.71
          1 |        641        6.41       87.12
          2 |        300        3.00       90.12
          3 |        156        1.56       91.68
          4 |         74        0.74       92.42
          5 |         42        0.42       92.84
          6 |         24        0.24       93.08
          7 |         18        0.18       93.26
          8 |         14        0.14       93.40
          9 |          8        0.08       93.48
         10 |          3        0.03       93.51
         11 |          3        0.03       93.54
         12 |          3        0.03       93.57
         13 |          1        0.01       93.58
         16 |          2        0.02       93.60
         17 |          2        0.02       93.62
         19 |          2        0.02       93.64
         99 |        571        5.71       99.35
          . |         65        0.65      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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