Frequencies for first 10,000 rows of prescr27 variable in nhamcsed2014 dataset :

        Prescription status code for |
                      medication #27 |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
                   Prescription drug |          4        0.04        0.04
                                   . |      9,996       99.96      100.00
-------------------------------------+-----------------------------------
                               Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 11 Apr 2017