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

       LAST |
ACCIDENT-MO |
        NTH |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,811       48.11       48.11
          1 |        389        3.89       52.00
          2 |        309        3.09       55.09
          3 |        404        4.04       59.13
          4 |        364        3.64       62.77
          5 |        410        4.10       66.87
          6 |        392        3.92       70.79
          7 |        418        4.18       74.97
          8 |        401        4.01       78.98
          9 |        364        3.64       82.62
         10 |        373        3.73       86.35
         11 |        374        3.74       90.09
         12 |        401        4.01       94.10
         99 |        590        5.90      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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