Frequencies for first 10,000 rows of med27 variable in namcs2014 dataset :

                         Medication #27 |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                          NO ENTRY MADE |      9,985       99.85       99.85
                                    MSM |          1        0.01       99.86
                                  ZETIA |          1        0.01       99.87
                                ASPIRIN |          1        0.01       99.88
                               TEKTURNA |          1        0.01       99.89
                    ZEAXANTHIN W/LUTEIN |          1        0.01       99.90
      ACETAMINOPHEN/BUTALBITAL/CAFFEINE |          1        0.01       99.91
                         SPIRONOLACTONE |          1        0.01       99.92
                                 ZANTAC |          1        0.01       99.93
                              PRAVACHOL |          1        0.01       99.94
                                  ZOCOR |          1        0.01       99.95
                                LAMISIL |          1        0.01       99.96
                             GABAPENTIN |          1        0.01       99.97
                            ACIDOPHILUS |          1        0.01       99.98
                                MIRAPEX |          1        0.01       99.99
                            FENOFIBRATE |          1        0.01      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017