Frequencies for first 10,000 rows of contsub6 variable in namcs2011 dataset :

Medication #6 - Controlled |
               status code |      Freq.     Percent        Cum.
---------------------------+-----------------------------------
               Schedule II |         10        0.10        0.10
              Schedule III |         21        0.21        0.31
               Schedule IV |         72        0.72        1.03
                Schedule V |          5        0.05        1.08
                No control |      1,614       16.14       17.22
              Undetermined |         28        0.28       17.50
        Multiple schedules |          1        0.01       17.51
                         . |      8,249       82.49      100.00
---------------------------+-----------------------------------
                     Total |     10,000      100.00

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