Frequencies for first 10,000 rows of med variable in namcs2009 dataset :

   was medication |
       ordered or |
        provided? |      Freq.     Percent        Cum.
------------------+-----------------------------------
               no |      1,959       19.59       19.59
              yes |      7,954       79.54       99.13
entire item blank |         87        0.87      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

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