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

       Recode of EPTEDUE for |
 trending with data prior to |
                        2010 |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                       Blank |         57        0.57        0.57
                     Unknown |        635        6.35        6.92
                         Yes |      8,933       89.33       96.25
                          No |        375        3.75      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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