Frequencies for benefittype variable in pdp2016 dataset :

    Benefit |
       Type |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          1        0.08        0.08
      Basic |        617       49.64       49.72
   Enhanced |        625       50.28      100.00
------------+-----------------------------------
      Total |      1,243      100.00

by Jean Roth , jroth@nber.org , 19 Sep 2018