Frequencies for first 10,000 rows of ncmed5 variable in namcs2009 dataset :

      was medication 5 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        blank |         67        0.67        0.67
               not applicable |      7,758       77.58       78.25
                          new |        234        2.34       80.59
                    continued |      1,941       19.41      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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