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

      month |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        846        8.46        8.46
          2 |        742        7.42       15.88
          3 |        854        8.54       24.42
          4 |        860        8.60       33.02
          5 |        869        8.69       41.71
          6 |        837        8.37       50.08
          7 |        914        9.14       59.22
          8 |        889        8.89       68.11
          9 |        768        7.68       75.79
         10 |        874        8.74       84.53
         11 |        756        7.56       92.09
         12 |        791        7.91      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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