Frequencies for first 10,000 rows of nonmed variable in nhamcsopd2006 dataset :

              was |
   non-medication |
  therapy ordered |
     or provided? |      Freq.     Percent        Cum.
------------------+-----------------------------------
               No |      7,047       70.47       70.47
              Yes |      2,653       26.53       97.00
Entire item blank |        300        3.00      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

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