Frequencies for first 10,000 rows of ncmed3 variable in namcs2009 dataset :

      was medication 3 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        blank |        109        1.09        1.09
               not applicable |      5,992       59.92       61.01
                          new |        857        8.57       69.58
                    continued |      3,042       30.42      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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