Frequencies for first 10,000 rows of ncmed7 variable in namcs2015 dataset :

         Is |
 Medication |
  #7 new or |
 continued? |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |         16        0.16        0.16
         -8 |          2        0.02        0.18
         -7 |      8,315       83.15       83.33
          1 |        113        1.13       84.46
          2 |      1,554       15.54      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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