Frequencies for first 10,000 rows of ncmed9 variable in namcs2013 dataset :

      Is Medication #9 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
               Not applicable |      9,008       90.08       90.08
                          New |         60        0.60       90.68
                    Continued |        932        9.32      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017