Frequencies for first 10,000 rows of ncmed3 variable in namcs2011 dataset :

      Was medication 3 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        Blank |        120        1.20        1.20
               Not applicable |      5,918       59.18       60.38
                          New |        996        9.96       70.34
                    Continued |      2,966       29.66      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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