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

      month |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        819        8.19        8.19
          2 |        824        8.24       16.43
          3 |        911        9.11       25.54
          4 |        857        8.57       34.11
          5 |        955        9.55       43.66
          6 |        795        7.95       51.61
          7 |        778        7.78       59.39
          8 |        862        8.62       68.01
          9 |        779        7.79       75.80
         10 |        777        7.77       83.57
         11 |        817        8.17       91.74
         12 |        826        8.26      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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