Frequencies for first 10,000 rows of med variable in namcs2008 dataset :

   was medication |
       ordered or |
        provided? |      Freq.     Percent        Cum.
------------------+-----------------------------------
               no |      1,738       17.38       17.38
              yes |      8,122       81.22       98.60
entire item blank |        140        1.40      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

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