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

      month |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        847        8.47        8.47
          2 |        776        7.76       16.23
          3 |        854        8.54       24.77
          4 |        862        8.62       33.39
          5 |        917        9.17       42.56
          6 |        823        8.23       50.79
          7 |        910        9.10       59.89
          8 |        923        9.23       69.12
          9 |        799        7.99       77.11
         10 |        907        9.07       86.18
         11 |        743        7.43       93.61
         12 |        639        6.39      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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