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

   PREVIOUS |
SUSPENSIONS |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,011       80.11       80.11
          1 |        637        6.37       86.48
          2 |        366        3.66       90.14
          3 |        174        1.74       91.88
          4 |         84        0.84       92.72
          5 |         36        0.36       93.08
          6 |         25        0.25       93.33
          7 |         17        0.17       93.50
          8 |         20        0.20       93.70
          9 |          6        0.06       93.76
         10 |          6        0.06       93.82
         11 |          3        0.03       93.85
         12 |          3        0.03       93.88
         13 |          4        0.04       93.92
         14 |          3        0.03       93.95
         15 |          1        0.01       93.96
         16 |          1        0.01       93.97
         17 |          1        0.01       93.98
         19 |          1        0.01       93.99
         20 |          1        0.01       94.00
         99 |        553        5.53       99.53
          . |         47        0.47      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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