Frequencies for first 10,000 rows of drugbenefittypedetail variable in man_to_w2019 dataset :

       Drug |
    Benefit |
Type Detail |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      2,097       20.97       20.97
         AE |         40        0.40       21.37
         BA |        543        5.43       26.80
         DS |         42        0.42       27.22
         EA |      7,278       72.78      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Feb 2019