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

        Recode of ECTOEE for |
 trending with data prior to |
                        2010 |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                     Unknown |        362        3.62        3.62
                         Yes |      9,085       90.85       94.47
                          No |        436        4.36       98.83
Yes, but turned off/not used |        117        1.17      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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