Frequencies for first 10,000 rows of ncmed1 variable in namcs2007 dataset :

      was medication 1 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        blank |        353        3.53        3.53
               not applicable |      2,301       23.01       26.54
                          new |      3,748       37.48       64.02
                    continued |      3,598       35.98      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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