Frequencies for dependentmaximumagrule variable in busrules2014 dataset :

     Dependent |
   Maximum Age |
          Rule |      Freq.     Percent        Cum.
---------------+-----------------------------------
               |        183        8.70        8.70
            21 |        105        4.99       13.69
            24 |          7        0.33       14.03
            25 |        189        8.99       23.01
            26 |        988       46.98       70.00
            27 |          7        0.33       70.33
            28 |         10        0.48       70.80
            29 |         41        1.95       72.75
            30 |         43        2.04       74.80
            31 |          7        0.33       75.13
Not Applicable |        523       24.87      100.00
---------------+-----------------------------------
         Total |      2,103      100.00

by Jean Roth , jroth@nber.org , 6 Oct 2016