Frequencies for first 10,000 rows of prescr10 variable in namcs2014 dataset :

          Prescription status code for |
                        medication #10 |      Freq.     Percent        Cum.
---------------------------------------+-----------------------------------
                     Prescription drug |        606        6.06        6.06
                  Nonprescription drug |         42        0.42        6.48
                          Undetermined |         30        0.30        6.78
Both Prescription and Over-The-Counter |        282        2.82        9.60
                                     . |      9,040       90.40      100.00
---------------------------------------+-----------------------------------
                                 Total |     10,000      100.00

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