Frequencies for first 10,000 rows of ncmed15 variable in namcs2014 dataset :

 Is Medication |
    #15 new or |
     continued |      Freq.     Percent        Cum.
---------------+-----------------------------------
         Blank |         61        0.61        0.61
Not applicable |      9,729       97.29       97.90
           New |         14        0.14       98.04
     Continued |        196        1.96      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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