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

Recode of ECQME for trending |
     with data prior to 2010 |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                     Unknown |      1,009       10.09       10.09
                         Yes |      8,001       80.01       90.10
                          No |        909        9.09       99.19
Yes, but turned off/not used |         81        0.81      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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