Frequencies for benefittype variable in pdp2017 dataset :

    Benefit |
       Type |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          1        0.10        0.10
      Basic |        501       48.64       48.74
   Enhanced |        528       51.26      100.00
------------+-----------------------------------
      Total |      1,030      100.00

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