Frequencies for first 10,000 rows of month variable in accident dataset :

      month |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        841        8.41        8.41
          2 |        762        7.62       16.03
          3 |        884        8.84       24.87
          4 |        891        8.91       33.78
          5 |        939        9.39       43.17
          6 |        907        9.07       52.24
          7 |        941        9.41       61.65
          8 |        855        8.55       70.20
          9 |        813        8.13       78.33
         10 |        836        8.36       86.69
         11 |        741        7.41       94.10
         12 |        590        5.90      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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