Frequencies for first 10,000 rows of prescr8 variable in namcs2014 dataset :

          Prescription status code for |
                         medication #8 |      Freq.     Percent        Cum.
---------------------------------------+-----------------------------------
                     Prescription drug |        984        9.84        9.84
                  Nonprescription drug |         61        0.61       10.45
                          Undetermined |         49        0.49       10.94
Both Prescription and Over-The-Counter |        393        3.93       14.87
                                     . |      8,513       85.13      100.00
---------------------------------------+-----------------------------------
                                 Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017