Frequencies for first 10,000 rows of drug5cl3 variable in namcs2005 dataset :

ndc code #3 |
        for |
 medication |
         #5 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,932       99.32       99.32
       0514 |          2        0.02       99.34
       0877 |          2        0.02       99.36
       1374 |          1        0.01       99.37
       1670 |          1        0.01       99.38
       1728 |         54        0.54       99.92
       1943 |          2        0.02       99.94
       1944 |          5        0.05       99.99
       1945 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016