Frequencies for first 10,000 rows of ncmed1 variable in namcs2010 dataset :

      was medication 1 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        blank |        221        2.21        2.21
               not applicable |      2,070       20.70       22.91
                          new |      3,802       38.02       60.93
                    continued |      3,907       39.07      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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