Frequencies for first 10,000 rows of drugid11 variable in nhamcsed2013 dataset :

    Drug ID |
   code for |
 medication |
        #11 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,917       99.17       99.17
     a51675 |          3        0.03       99.20
     a52885 |          2        0.02       99.22
     a54655 |          2        0.02       99.24
     d00004 |          1        0.01       99.25
     d00007 |          1        0.01       99.26
     d00015 |          4        0.04       99.30
     d00027 |          1        0.01       99.31
     d00037 |          1        0.01       99.32
     d00049 |          1        0.01       99.33
     d00059 |          1        0.01       99.34
     d00101 |          1        0.01       99.35
     d00117 |          1        0.01       99.36
     d00125 |          1        0.01       99.37
     d00134 |          5        0.05       99.42
     d00170 |          2        0.02       99.44
     d00212 |          1        0.01       99.45
     d00233 |          2        0.02       99.47
     d00236 |          1        0.01       99.48
     d00252 |          2        0.02       99.50
     d00299 |          1        0.01       99.51
     d00308 |          2        0.02       99.53
     d00325 |          1        0.01       99.54
     d00413 |          1        0.01       99.55
     d00425 |          1        0.01       99.56
     d00438 |          1        0.01       99.57
     d00485 |          1        0.01       99.58
     d00689 |          1        0.01       99.59
     d00730 |          1        0.01       99.60
     d00732 |          2        0.02       99.62
     d00749 |          1        0.01       99.63
     d00787 |          2        0.02       99.65
     d00867 |          3        0.03       99.68
     d00910 |          2        0.02       99.70
     d01015 |          1        0.01       99.71
     d01018 |          1        0.01       99.72
     d01021 |          2        0.02       99.74
     d01027 |          1        0.01       99.75
     d01068 |          1        0.01       99.76
     d03129 |          1        0.01       99.77
     d03140 |          1        0.01       99.78
     d03165 |          1        0.01       99.79
     d03182 |          1        0.01       99.80
     d03400 |          1        0.01       99.81
     d03428 |          2        0.02       99.83
     d03431 |          3        0.03       99.86
     d03821 |          1        0.01       99.87
     d04105 |          1        0.01       99.88
     d04115 |          1        0.01       99.89
     d04258 |          1        0.01       99.90
     d04289 |          1        0.01       99.91
     d04301 |          1        0.01       99.92
     d04399 |          1        0.01       99.93
     d04514 |          2        0.02       99.95
     d04532 |          1        0.01       99.96
     d04538 |          1        0.01       99.97
     d04851 |          1        0.01       99.98
     d05218 |          1        0.01       99.99
     d06860 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016