Frequencies for first 10,000 rows of ncmed4 variable in namcs2014 dataset :

 Is Medication |
     #4 new or |
    continued? |      Freq.     Percent        Cum.
---------------+-----------------------------------
         Blank |        624        6.24        6.24
       Unknown |          2        0.02        6.26
Not applicable |      6,496       64.96       71.22
           New |        386        3.86       75.08
     Continued |      2,492       24.92      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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