Frequencies for first 10,000 rows of drugbenefittypedetail variable in ma2014 dataset :

       Drug |
    Benefit |
Type Detail |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      5,513       55.13       55.13
         AE |          7        0.07       55.20
         BA |      1,069       10.69       65.89
         DS |        186        1.86       67.75
         EA |      3,225       32.25      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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