Frequencies for first 10,000 rows of ncmed6 variable in namcs2007 dataset :

      was medication 6 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        blank |         53        0.53        0.53
               not applicable |      8,712       87.12       87.65
                          new |        133        1.33       88.98
                    continued |      1,102       11.02      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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