Frequencies for first 10,000 rows of drugid26 variable in nhamcsed2015 dataset 

    Drug ID |
   code for |
 medication |
        #26 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,987       99.87       99.87
     a11703 |          1        0.01       99.88
     d00293 |          1        0.01       99.89
     d00315 |          1        0.01       99.90
     d00321 |          1        0.01       99.91
     d00438 |          2        0.02       99.93
     d00867 |          1        0.01       99.94
     d01013 |          1        0.01       99.95
     d01018 |          1        0.01       99.96
     d03826 |          1        0.01       99.97
     d04017 |          1        0.01       99.98
     d04697 |          1        0.01       99.99
     d04755 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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