Frequencies for first 10,000 rows of med variable in nhamcsopd2011 dataset :

   Was medication |
       ordered or |
        provided? |      Freq.     Percent        Cum.
------------------+-----------------------------------
               No |      2,851       28.51       28.51
              Yes |      6,962       69.62       98.13
Entire item blank |        187        1.87      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016