Frequencies for drugbenefittype variable in snp2018 dataset :

       Drug |
    Benefit |
       Type |      Freq.     Percent        Cum.
------------+-----------------------------------
      Basic |      8,096       71.85       71.85
   Enhanced |      3,172       28.15      100.00
------------+-----------------------------------
      Total |     11,268      100.00

by Jean Roth , jroth@nber.org , 10 Sep 2018