Frequencies for first 10,000 rows of ncmed4 variable in namcs2005 dataset :

        was |
 medication |
   4 new or |
 continued? |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        326        3.26        3.26
          2 |      1,740       17.40       20.66
          8 |      7,829       78.29       98.95
          9 |        105        1.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016