Frequencies for first 10,000 rows of med29 variable in namcs2014 dataset :

                         Medication #29 |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                          NO ENTRY MADE |      9,991       99.91       99.91
                              UROXATRAL |          1        0.01       99.92
                               CHROMIUM |          1        0.01       99.93
                                LINZESS |          1        0.01       99.94
                                HEPARIN |          1        0.01       99.95
                            PILOCARPINE |          1        0.01       99.96
                                SENOKOT |          1        0.01       99.97
                                  XANAX |          1        0.01       99.98
               PROCHLORPERAZINE MALEATE |          1        0.01       99.99
                                TOPAMAX |          1        0.01      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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