Frequencies for first 10,000 rows of med29 variable in namcs2015 dataset :

 Medication |
        #29 |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |      9,993       99.93       99.93
      00213 |          1        0.01       99.94
      17485 |          1        0.01       99.95
      34575 |          1        0.01       99.96
      34775 |          1        0.01       99.97
      61605 |          1        0.01       99.98
      93257 |          1        0.01       99.99
      94014 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 25 Oct 2017