Frequencies for first 10,000 rows of ma_mhmorx variable in mcbsatc2013 dataset 

   Medicare |
  Advantage |
 plan cover |
      drugs |      Freq.     Percent        Cum.
------------+-----------------------------------
         -8 |         30        0.30        0.30
          1 |      2,630       26.30       26.60
          2 |        243        2.43       29.03
          . |      7,097       70.97      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 24 May 2016