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

       Recode of EPTRECE for |
 trending with data prior to |
                        2010 |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                     Unknown |        162        1.62        1.62
                         Yes |      4,816       48.16       49.78
                          No |      4,345       43.45       93.23
Yes, but turned off/not used |        677        6.77      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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