Frequencies for first 10,000 rows of drugbenefittypedetail variable in ma2018 dataset :

       Drug |
    Benefit |
Type Detail |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      2,572       25.72       25.72
         AE |         63        0.63       26.35
         BA |        841        8.41       34.76
         DS |         29        0.29       35.05
         EA |      6,495       64.95      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org ,