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

      month |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        767        7.67        7.67
          2 |        712        7.12       14.79
          3 |        811        8.11       22.90
          4 |        827        8.27       31.17
          5 |        829        8.29       39.46
          6 |        850        8.50       47.96
          7 |        862        8.62       56.58
          8 |        911        9.11       65.69
          9 |        892        8.92       74.61
         10 |        902        9.02       83.63
         11 |        922        9.22       92.85
         12 |        715        7.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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