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

       Drug |
    Benefit |
       Type |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      2,097       20.97       20.97
      Basic |        625        6.25       27.22
   Enhanced |      7,278       72.78      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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