Frequencies for first 10,000 rows of ncmed1 variable in namcs2012 dataset :

      Is Medication #1 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        Blank |        144        1.44        1.44
               Not applicable |      3,162       31.62       33.06
                          New |      2,966       29.66       62.72
                    Continued |      3,728       37.28      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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