Frequencies for drugbenefittype variable in snp2016 dataset :

       Drug |
    Benefit |
       Type |      Freq.     Percent        Cum.
------------+-----------------------------------
      Basic |      6,610       78.63       78.63
   Enhanced |      1,796       21.37      100.00
------------+-----------------------------------
      Total |      8,406      100.00

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