Frequencies for first 10,000 rows of ncmed7 variable in namcs2007 dataset :

      was medication 7 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        blank |         38        0.38        0.38
               not applicable |      9,070       90.70       91.08
                          new |         74        0.74       91.82
                    continued |        818        8.18      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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