Frequencies for first 10,000 rows of drugbenefittypedetail variable in planreport2011 dataset :

       Drug |
    Benefit |
Type Detail |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,734       67.34       67.34
         BA |        863        8.63       75.97
         DS |        316        3.16       79.13
         EA |      2,087       20.87      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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