Frequencies for first 10,000 rows of ncmed25 variable in namcs2015 dataset :

         Is |
 Medication |
 #25 new or |
  continued |      Freq.     Percent        Cum.
------------+-----------------------------------
         -7 |      9,983       99.83       99.83
          1 |          3        0.03       99.86
          2 |         14        0.14      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 25 Oct 2017