Frequencies for first 10,000 rows of ncmed9 variable in namcs2012 dataset :

      Is Medication #9 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        Blank |          4        0.04        0.04
               Not applicable |      9,289       92.89       92.93
                          New |         50        0.50       93.43
                    Continued |        657        6.57      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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