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

   Accident |
 Date-Month |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        845        8.45        8.45
          2 |        791        7.91       16.36
          3 |        896        8.96       25.32
          4 |        893        8.93       34.25
          5 |        944        9.44       43.69
          6 |        846        8.46       52.15
          7 |        949        9.49       61.64
          8 |        914        9.14       70.78
          9 |        791        7.91       78.69
         10 |        758        7.58       86.27
         11 |        668        6.68       92.95
         12 |        705        7.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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