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

      month |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        833        8.33        8.33
          2 |        794        7.94       16.27
          3 |        853        8.53       24.80
          4 |        860        8.60       33.40
          5 |        918        9.18       42.58
          6 |        877        8.77       51.35
          7 |        838        8.38       59.73
          8 |        878        8.78       68.51
          9 |        760        7.60       76.11
         10 |        827        8.27       84.38
         11 |        799        7.99       92.37
         12 |        763        7.63      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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