Frequencies for first 10,000 rows of ncmed5 variable in nhamcsopd2008 dataset :

      was medication 5 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        blank |         79        0.79        0.79
               not applicable |      7,961       79.61       80.40
                          new |        328        3.28       83.68
                    continued |      1,632       16.32      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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