Frequencies for first 10,000 rows of drugbenefittypedetail variable in ma2013 dataset :

       Drug |
    Benefit |
Type Detail |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      5,814       58.14       58.14
         AE |          1        0.01       58.15
         BA |        837        8.37       66.52
         DS |        286        2.86       69.38
         EA |      3,062       30.62      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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