NES by country and year

National Election Study	First national election study	2nd	3rd	4th	5th	6th	7th	8th	9th	10th	11th	12th	13th	14th	15th	16th	17th	18th	19th	20th	21th	22th
American National Election Studies (ANES)	1948	1952	1956	1958	1960	1962	1964	1966	1968	1970	1972	1974	1976	1978	1980	1982	1984	1986	1988	1990
		1992	1994	1996	1998	2000	2002	2004	2008	2012	2016	2020
Austrian National Election Study (AUTNES)	2008	2013	2017
Belgian National Elections Study (BNES)	1991	1995	1999	2003	2007	2010	2014	2019
Croatian National Election Study	1995	2000	2003	2007
Czech National Election Study	1996	2002	2006	2010	2013	2017	2021
Danish National Election Study (DNES)	1971	1973	1975	1977	1979	1981	1984	1987	1988	1990	1994	1998	2001	2005	2007	2011	2015	2019	2022
Dutch Parliamentary Election Studies (DPES)	1967	1971	1981	1982	1986	1989	1994	1998	2002	2006	2010	2012	2017	2021
European Election Study (EES)	1979	1989	1994	1999	2004	2009	2014	2019
Finnish National Election Study (FNES)	2003	2007	2011	2015	2019	2023
French National Election Study (FES)	1958	1962	1978	1988	1997	2007	2012	2017
German Longitudinal Election Study (GLES)	2009	2013	2017	2021
Hellenic National Election Studies (ELNES)	2009	2012	2015	2019
Icelandic National Election Study (ICENES)	1983	1987	1991	1995	1999	2003	2007	2009	2013	2016	2017	2021
Irish National Election Study (INES)	2002	2006	2007	2011	2016
Italian National Election Studies (ITANES)	1990	2006	2018
Latvian election studies	2010	2011	2014	2018
Lithuanian National Election Study (LNES)	1997	2012	2016	2020
Montenegrin national election study (MNES)	2012	2016
Norwegian National Election Study (NNES)	1957	1965	1969	1973	1977	1981	1989	1993	1997	2001	2005	2009	2013	2017	2021
Polish National Election Study (PGSW)	1997	2001	2005	2007	2011	2019
Portuguese Electoral Behavior program	2002	2005	2006	2009	2011	2015	2019
National Romanian Election Studies	2004	2009	2012	2014	2016
Serbian Election Study	2012
Slovakian Election Study	2010	2016	2020
Slovenian National Election Study	1996	2004	2008	2011
Spanish Election study	1978	1979	1982	1986	1989	1993	1996	2000	2004	2008	2011	2016	2019
Swedish National Election Studies (SNES)	1954	1957	1960	1964	1968	1970	1973	1976	1979	1980	1982	1985	1988	1991	1994	1998	2002	2006	2010	2014	2018	2022
Swiss Election Study (Selects)	1995	1999	2003	2011	2015	2019