Frequencies for first 10,000 rows of ncmed7 variable in namcs2008 dataset :

      was medication 7 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        blank |         41        0.41        0.41
               not applicable |      8,903       89.03       89.44
                          new |         88        0.88       90.32
                    continued |        968        9.68      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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