Frequencies for first 10,000 rows of prescr9 variable in namcs2014 dataset :

          Prescription status code for |
                         medication #9 |      Freq.     Percent        Cum.
---------------------------------------+-----------------------------------
                     Prescription drug |        763        7.63        7.63
                  Nonprescription drug |         52        0.52        8.15
                          Undetermined |         36        0.36        8.51
Both Prescription and Over-The-Counter |        349        3.49       12.00
                                     . |      8,800       88.00      100.00
---------------------------------------+-----------------------------------
                                 Total |     10,000      100.00

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