NHIS Sources

Variable	Year	Supplement
FWALKCT	2018	Family file
FWALKCT	2017	Family file
FWALKCT	2016	Family file
FWALKCT	2015	Family file
FWALKCT	2014	Family file
FWALKCT	2013	Family file
FWALKCT	2012	Family file
FWALKCT	2011	Family file
FWALKCT	2010	Family file
FWALKCT	2009	Family file
FWALKCT	2008	Family file
FWALKCT	2007	Family file
FWALKCT	2006	Family file
FWALKCT	2005	Family file
FWALKCT	2004	Family file
FWALKCT	2003	Family file
FWALKCT	2002	Family file
FWALKCT	2001	Family file
FWALKCT	2000	Family file
FWALKCT	1999	Family file
FWALKCT	1998	Family file
FWALKCT	1997	Family file