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

       LAST |
ACCIDENT-MO |
        NTH |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,464       54.64       54.64
          1 |        321        3.21       57.85
          2 |        292        2.92       60.77
          3 |        342        3.42       64.19
          4 |        296        2.96       67.15
          5 |        356        3.56       70.71
          6 |        348        3.48       74.19
          7 |        363        3.63       77.82
          8 |        351        3.51       81.33
          9 |        345        3.45       84.78
         10 |        363        3.63       88.41
         11 |        320        3.20       91.61
         12 |        316        3.16       94.77
         99 |        471        4.71       99.48
          . |         52        0.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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