NHIS Sources

Variable	Year	Supplement
INTV_QRT	2023	Household (core questionnaire)
INTV_QRT	2022	Household (core questionnaire)
INTV_QRT	2021	Household (core questionnaire)
INTV_QRT	2020	Household (core questionnaire)
INTV_QRT	2019	Household (core questionnaire)
INTV_QRT	2018	Household (core questionnaire)
INTV_QRT	2017	Household (core questionnaire)
INTV_QRT	2016	Household (core questionnaire)
INTV_QRT	2015	Household (core questionnaire)
INTV_QRT	2014	Household (core questionnaire)
INTV_QRT	2013	Household (core questionnaire)
INTV_QRT	2012	Household (core questionnaire)
INTV_QRT	2011	Household (core questionnaire)
INTV_QRT	2010	Household (core questionnaire)
INTV_QRT	2009	Household (core questionnaire)
INTV_QRT	2008	Household (core questionnaire)
INTV_QRT	2007	Household (core questionnaire)
INTV_QRT	2006	Household (core questionnaire)
INTV_QRT	2005	Household (core questionnaire)
INTV_QRT	2004	Household (core questionnaire)
INTV_QRT	2003	Household (core questionnaire)
INTV_QRT	2002	Household (core questionnaire)
INTV_QRT	2001	Household (core questionnaire)
INTV_QRT	2000	Household (core questionnaire)
INTV_QRT	1999	Household (core questionnaire)
INTV_QRT	1998	Household (core questionnaire)
INTV_QRT	1997	Household (core questionnaire)
QUARTER	1996	Household (core questionnaire)
QUARTER	1993	Household (core questionnaire)
QUARTER	1992	Household (core questionnaire)
QUARTER	1991	Household (core questionnaire)
QUARTER	1990	Household (core questionnaire)
QUARTER	1989	Household (core questionnaire)
QUARTER	1988	Household (core questionnaire)
QUARTER	1987	Household (core questionnaire)
QUARTER	1986	Household (core questionnaire)
QUARTER	1985	Household (core questionnaire)
QUARTER	1984	Household (core questionnaire)
QUARTER	1983	Household (core questionnaire)
QUARTER	1982	Household (core questionnaire)
QUARTER	1981	Household (core questionnaire)
QUARTER	1980	Household (core questionnaire)
QUARTER	1979	Household (core questionnaire)
QUARTER	1978	Household (core questionnaire)
QUARTER	1977	Household (core questionnaire)
QUARTER	1976	Household (core questionnaire)
QUARTER	1975	Household (core questionnaire)
QUARTER	1974	Household (core questionnaire)
QUARTER	1973	Household (core questionnaire)
QUARTER	1972	Household (core questionnaire)
QUARTER	1971	Household (core questionnaire)
QUARTER	1970	Household (core questionnaire)
QUARTER	1969	Household (core questionnaire)
QUARTER	1968	Household (core questionnaire)
QUARTER	1967	Household (core questionnaire)
QUARTER	1966	Household (core questionnaire)
QUARTER	1965	Household (core questionnaire)
QUARTER	1964	Household (core questionnaire)
QUARTER	1963	Household (core questionnaire)