Frequencies for first 10,000 rows of ncmed24 variable in namcs2014 dataset :

 Is Medication |
    #24 new or |
     continued |      Freq.     Percent        Cum.
---------------+-----------------------------------
         Blank |         11        0.11        0.11
Not applicable |      9,973       99.73       99.84
           New |          1        0.01       99.85
     Continued |         15        0.15      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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