Frequencies for first 10,000 rows of drugbenefittype variable in planreport2014 dataset :

       Drug |
    Benefit |
       Type |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,683       66.83       66.83
      Basic |        980        9.80       76.63
   Enhanced |      2,337       23.37      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 14 Apr 2016