Frequencies for first 10,000 rows of med variable in namcs2010 dataset :

   was medication |
       ordered or |
        provided? |      Freq.     Percent        Cum.
------------------+-----------------------------------
               no |      1,960       19.60       19.60
              yes |      7,930       79.30       98.90
entire item blank |        110        1.10      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

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