Frequencies for first 10,000 rows of med25 variable in nhamcsed2015 dataset :

                         Medication #25 |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                          NO ENTRY MADE |      9,986       99.86       99.86
                         LIDODERM PATCH |          1        0.01       99.87
                               ANDROGEL |          1        0.01       99.88
                            ENTOCORT EC |          1        0.01       99.89
                                OXYTROL |          1        0.01       99.90
                  GUAIFENESIN W/CODEINE |          1        0.01       99.91
                                  LASIX |          1        0.01       99.92
                            NEUTRA-PHOS |          1        0.01       99.93
                           PROMETHAZINE |          1        0.01       99.94
                     SODIUM BICARBONATE |          1        0.01       99.95
                                TYLENOL |          1        0.01       99.96
                          NORMAL SALINE |          1        0.01       99.97
                             ATRACURIUM |          1        0.01       99.98
                                 ULTRAM |          1        0.01       99.99
                                  NORCO |          1        0.01      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017