Frequencies for first 10,000 rows of med variable in namcs2006 dataset :

   was medication |
       ordered or |
        provided? |      Freq.     Percent        Cum.
------------------+-----------------------------------
               no |      2,266       22.66       22.66
              yes |      7,564       75.64       98.30
entire item blank |        170        1.70      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

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