Frequencies for first 10,000 rows of ncmed4 variable in namcs2006 dataset :

      was medication 4 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                          new |        369        3.69        3.69
                    continued |      1,913       19.13       22.82
               not applicable |      7,598       75.98       98.80
                        blank |        120        1.20      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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