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

       LAST |
ACCIDENT-MO |
        NTH |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,250       52.50       52.50
          1 |        336        3.36       55.86
          2 |        331        3.31       59.17
          3 |        386        3.86       63.03
          4 |        372        3.72       66.75
          5 |        369        3.69       70.44
          6 |        346        3.46       73.90
          7 |        373        3.73       77.63
          8 |        405        4.05       81.68
          9 |        345        3.45       85.13
         10 |        374        3.74       88.87
         11 |        313        3.13       92.00
         12 |        318        3.18       95.18
         99 |        419        4.19       99.37
          . |         63        0.63      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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