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

       Recode of EMEDIDE for |
 trending with data prior to |
                        2010 |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                     Unknown |        497        4.97        4.97
                         Yes |      8,727       87.27       92.24
                          No |        776        7.76      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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