Frequencies for first 10,000 rows of ncmed7 variable in namcs2009 dataset :

      was medication 7 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        blank |         48        0.48        0.48
               not applicable |      8,745       87.45       87.93
                          new |        102        1.02       88.95
                    continued |      1,105       11.05      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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