Frequencies for first 10,000 rows of drugbenefittypedetail variable in ma2017 dataset :

       Drug |
    Benefit |
Type Detail |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      2,494       24.94       24.94
         AE |         53        0.53       25.47
         BA |      1,601       16.01       41.48
         DS |         79        0.79       42.27
         EA |      5,773       57.73      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org ,