Frequencies for first 10,000 rows of ncmed1 variable in namcs2006 dataset :

      was medication 1 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                          new |      3,558       35.58       35.58
                    continued |      3,722       37.22       72.80
               not applicable |      2,436       24.36       97.16
                        blank |        284        2.84      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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