Frequencies for first 10,000 rows of drugbenefittype variable in planreport2015 dataset :

       Drug |
    Benefit |
       Type |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,717       67.17       67.17
      Basic |      1,233       12.33       79.50
   Enhanced |      2,050       20.50      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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