Year	% of working-age population
1960	6.480364913752425
1961	6.073992269464385
1962	5.625541295960948
1963	5.225492843640292
1964	4.884588482163674
1965	4.6195238336971425
1966	4.397433905303115
1967	4.201991133234814
1968	4.052204851014334
1969	3.93047480620155
1970	3.771395812290137
1971	3.5666351841725903
1972	3.353953436058936
1973	3.133021519231355
1974	2.9191473017092373
1975	2.716650840180009
1976	2.5286719983241936
1977	2.3596752128608083
1978	2.203645998544586
1979	2.0537891724874493
1980	1.9185954552644067
1981	1.8017180196275178
1982	1.6943732554899247
1983	1.5925162870983907
1984	1.4982239836791962
1985	1.4154230466057647
1986	1.3874388402844722
1987	1.4191322919337785
1988	1.4599729182150456
1989	1.4974354943305754
1990	1.5361182125284802
1991	1.5781559305904205
1992	1.6171140642956068
1993	1.6455299381572572
1994	1.6654478219474838
1995	1.6801686589685692
1996	1.6868007903065423
1997	1.689581575420658
1998	1.6902400238764765
1999	1.683831800653924
2000	1.6661584612088147
2001	1.6349542753830497
2002	1.5922868768961829
2003	1.5423684114007066
2004	1.5084114221972846
2005	1.4529707100277578
2006	1.3417243886664727
2007	1.229677409303014
2008	1.135605527881181
2009	1.0494688130445022
2010	1.0057152862704544
2011	1.0594806091426208
2012	1.1710491994683825
2013	1.233833119494575
2014	1.1869233458683741
2015	1.1571583786937278
2016	1.2242695508028931
2017	1.2918839985808899
2018	1.330408099128647
2019	1.3912105802877652
2020	1.5059379987610526
2021	1.6848765723164527
2022	1.8388837970863319
2023	1.9485014420896076