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

    Date of |
Last crash, |
 suspension |
         or |
 conviction |
    (Month) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,480       54.80       54.80
          1 |        358        3.58       58.38
          2 |        328        3.28       61.66
          3 |        334        3.34       65.00
          4 |        324        3.24       68.24
          5 |        329        3.29       71.53
          6 |        365        3.65       75.18
          7 |        356        3.56       78.74
          8 |        358        3.58       82.32
          9 |        350        3.50       85.82
         10 |        317        3.17       88.99
         11 |        289        2.89       91.88
         12 |        346        3.46       95.34
         98 |         61        0.61       95.95
         99 |        405        4.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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