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

    date of |
      first |
     crash, |
 suspension |
         or |
 conviction |
    (month) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,926       59.26       59.26
          1 |        314        3.14       62.40
          2 |        304        3.04       65.44
          3 |        296        2.96       68.40
          4 |        274        2.74       71.14
          5 |        313        3.13       74.27
          6 |        301        3.01       77.28
          7 |        297        2.97       80.25
          8 |        339        3.39       83.64
          9 |        331        3.31       86.95
         10 |        318        3.18       90.13
         11 |        307        3.07       93.20
         12 |        280        2.80       96.00
         98 |         61        0.61       96.61
         99 |        339        3.39      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016