Frequencies for first 10,000 rows of ncmed7 variable in namcs2006 dataset :

      was medication 7 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                          new |         67        0.67        0.67
                    continued |        784        7.84        8.51
               not applicable |      9,110       91.10       99.61
                        blank |         39        0.39      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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