Frequencies for dependentmaximumagrule variable in busrules2015 dataset :

     Dependent |
   Maximum Age |
          Rule |      Freq.     Percent        Cum.
---------------+-----------------------------------
            21 |        567        5.62        5.62
            22 |          6        0.06        5.68
            23 |         18        0.18        5.85
            24 |         52        0.52        6.37
            25 |      5,963       59.07       65.44
            26 |      1,540       15.26       80.69
            27 |        289        2.86       83.56
            28 |        187        1.85       85.41
            29 |        114        1.13       86.54
            30 |        726        7.19       93.73
            31 |         12        0.12       93.85
Not Applicable |        621        6.15      100.00
---------------+-----------------------------------
         Total |     10,095      100.00

by Jean Roth , jroth@nber.org , 9 Dec 2017