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

Recode of EMSGE for trending |
     with data prior to 2010 |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                       Blank |         57        0.57        0.57
                     Unknown |        319        3.19        3.76
                         Yes |      4,483       44.83       48.59
                          No |      4,340       43.40       91.99
Yes, but turned off/not used |        801        8.01      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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