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

       LAST |
ACCIDENT-MO |
        NTH |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,321       53.21       53.21
          1 |        349        3.49       56.70
          2 |        347        3.47       60.17
          3 |        343        3.43       63.60
          4 |        356        3.56       67.16
          5 |        366        3.66       70.82
          6 |        349        3.49       74.31
          7 |        346        3.46       77.77
          8 |        358        3.58       81.35
          9 |        388        3.88       85.23
         10 |        322        3.22       88.45
         11 |        367        3.67       92.12
         12 |        323        3.23       95.35
         99 |        393        3.93       99.28
          . |         72        0.72      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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