Frequencies for first 10,000 rows of ncmed8 variable in namcs2009 dataset :

      was medication 8 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        blank |         31        0.31        0.31
               not applicable |      9,096       90.96       91.27
                          new |         76        0.76       92.03
                    continued |        797        7.97      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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