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

      month |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        767        7.67        7.67
          2 |        742        7.42       15.09
          3 |        883        8.83       23.92
          4 |        844        8.44       32.36
          5 |        841        8.41       40.77
          6 |        867        8.67       49.44
          7 |        885        8.85       58.29
          8 |        893        8.93       67.22
          9 |        855        8.55       75.77
         10 |        863        8.63       84.40
         11 |        836        8.36       92.76
         12 |        724        7.24      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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