Year	% of working-age population
1960	4.5444954803834445
1961	4.550322467758905
1962	4.5577416167723195
1963	4.574998426406263
1964	4.614710343948599
1965	4.6745395971166195
1966	4.751527806023899
1967	4.847080568754665
1968	4.956210529201872
1969	5.072924374537159
1970	5.191355616614598
1971	5.313948134141921
1972	5.442387584714502
1973	5.57417304514717
1974	5.712400406092049
1975	5.859263841293315
1976	6.015582046029348
1977	6.1722695579
1978	6.324985584659218
1979	6.477913402505601
1980	6.622597020150536
1981	6.7543530687324775
1982	6.871648099863714
1983	6.965043811032777
1984	7.0383443551082046
1985	7.103234735342549
1986	7.164055108770544
1987	7.21899799897596
1988	7.258046383980362
1989	7.27197754357317
1990	7.262577505734473
1991	7.243611887431749
1992	7.209971065986759
1993	7.152912242980385
1994	7.070889356323094
1995	6.966761708487581
1996	6.8487391361385
1997	6.72102703893151
1998	6.5821859149123085
1999	6.433474323402212
2000	6.28646582022366
2001	6.145080921407868
2002	6.012170731654869
2003	5.893859863037247
2004	5.79460277517998
2005	5.729657206897539
2006	5.695776658667815
2007	5.671878279428762
2008	5.648312232657178
2009	5.6172465838345484
2010	5.571357425775583
2011	5.5195886912608145
2012	5.493339607456825
2013	5.469596240244934
2014	5.418905913856309
2015	5.366120028637248
2016	5.310987114971422
2017	5.247581210406351
2018	5.182273765697368
2019	5.112268730292385
2020	5.002145425069896
2021	4.858433178549363
2022	4.72188081122763
2023	4.608321586319065