Year	% of working-age population
1960	5.401622338445977
1961	5.508818339725569
1962	5.6194800833369145
1963	5.735102417069115
1964	5.849256971851249
1965	5.949190141778547
1966	6.04246020752099
1967	6.128736178975826
1968	6.197075013814342
1969	6.233919793592109
1970	6.233545394591759
1971	6.203744612769109
1972	6.150641675178326
1973	6.07108451261702
1974	5.96200164649952
1975	5.828105748468363
1976	5.67629292697139
1977	5.509806430525168
1978	5.340890542936983
1979	5.186160092622584
1980	5.052634281704639
1981	4.941550885397994
1982	4.854825438930919
1983	4.798744861362411
1984	4.78143931776981
1985	4.802410512476234
1986	4.861115995076962
1987	4.954262179295995
1988	5.073668599082216
1989	5.2168044192320515
1990	5.377944392007645
1991	5.559558549330081
1992	5.7609729444497475
1993	5.968239743951031
1994	6.166818757949692
1995	6.346737709823652
1996	6.508540666015911
1997	6.652126519382954
1998	6.7770095208635
1999	6.883301551767075
2000	6.968394751760227
2001	7.041977454247456
2002	7.121767514549131
2003	7.2050051161387225
2004	7.266375251862217
2005	7.312631390293155
2006	7.384290169852277
2007	7.486277401970533
2008	7.590672110962385
2009	7.694475042224144
2010	7.817333008765982
2011	7.97087173069867
2012	8.150256390397923
2013	8.348314362628022
2014	8.583568283973293
2015	8.871757375547794
2016	9.207595560007
2017	9.588175548047323
2018	10.003394493321208
2019	10.443099247162753
2020	10.875293424408335
2021	11.297376544951456
2022	11.75197382194868
2023	12.222227094704685