Frequencies for first 10,000 rows of med24 variable in nhamcsed2014 dataset :

                          Medication 24 |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                          NO ENTRY MADE |      9,990       99.90       99.90
                                   QVAR |          1        0.01       99.91
                       ATROPINE SULFATE |          1        0.01       99.92
                             KAYEXALATE |          1        0.01       99.93
                                  LASIX |          1        0.01       99.94
                                 SALINE |          1        0.01       99.95
                              SYNTHROID |          1        0.01       99.96
                          VALPROIC ACID |          1        0.01       99.97
                             VIBRAMYCIN |          1        0.01       99.98
                                  ZOSYN |          1        0.01       99.99
                                 MAG-OX |          1        0.01      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 11 Apr 2017