Frequencies for first 10,000 rows of ncmed6 variable in namcs2009 dataset :

      was medication 6 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        blank |         56        0.56        0.56
               not applicable |      8,317       83.17       83.73
                          new |        139        1.39       85.12
                    continued |      1,488       14.88      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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