Frequencies for first 10,000 rows of ncmed2 variable in namcs2006 dataset :

      was medication 2 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                          new |      1,778       17.78       17.78
                    continued |      3,148       31.48       49.26
               not applicable |      4,864       48.64       97.90
                        blank |        210        2.10      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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