Frequencies for first 10,000 rows of ncmed20 variable in namcs2014 dataset :

 Is Medication |
    #20 new or |
     continued |      Freq.     Percent        Cum.
---------------+-----------------------------------
         Blank |         17        0.17        0.17
Not applicable |      9,925       99.25       99.42
           New |          1        0.01       99.43
     Continued |         57        0.57      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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