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

   PREVIOUS |
SUSPENSIONS |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,996       79.96       79.96
          1 |        856        8.56       88.52
          2 |        314        3.14       91.66
          3 |        124        1.24       92.90
          4 |         67        0.67       93.57
          5 |         24        0.24       93.81
          6 |         17        0.17       93.98
          7 |          4        0.04       94.02
          8 |          5        0.05       94.07
          9 |          1        0.01       94.08
         11 |          1        0.01       94.09
         19 |          1        0.01       94.10
         99 |        590        5.90      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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