Frequencies for first 10,000 rows of prescr29 variable in nhamcsed2015 dataset 

        Prescription status code for |
                      medication #29 |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
                   Prescription drug |          3        0.03        0.03
                                   . |      9,997       99.97      100.00
-------------------------------------+-----------------------------------
                               Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017