Frequencies for first 10,000 rows of first_mo variable in vehicle dataset :

      First |
Accident,et |
    c-Month |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,076       40.76       40.76
          1 |        436        4.36       45.12
          2 |        428        4.28       49.40
          3 |        434        4.34       53.74
          4 |        449        4.49       58.23
          5 |        433        4.33       62.56
          6 |        458        4.58       67.14
          7 |        397        3.97       71.11
          8 |        433        4.33       75.44
          9 |        437        4.37       79.81
         10 |        432        4.32       84.13
         11 |        469        4.69       88.82
         12 |        434        4.34       93.16
         99 |        684        6.84      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016