Frequencies for drugbenefittypedetail variable in snp2010 dataset :

       Drug |
    Benefit |
Type Detail |      Freq.     Percent        Cum.
------------+-----------------------------------
         AE |        246        2.82        2.82
         BA |        811        9.30       12.12
         DS |      3,200       36.69       48.81
         EA |      4,465       51.19      100.00
------------+-----------------------------------
      Total |      8,722      100.00

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