Frequencies for first 10,000 rows of ncmed7 variable in namcs2010 dataset :

      was medication 7 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        blank |         42        0.42        0.42
               not applicable |      8,861       88.61       89.03
                          new |        116        1.16       90.19
                    continued |        981        9.81      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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