Year	% of working-age population
1960	87.4041321184744
1961	88.10058392792382
1962	88.64615207885473
1963	89.2869492902588
1964	89.7802550929649
1965	89.81450857283137
1966	89.67442238126063
1967	89.51876006203624
1968	89.3029874957874
1969	89.02951626218703
1970	88.67011723793016
1971	88.12456732696114
1972	87.32119065858177
1973	86.35802439012488
1974	85.42499368570303
1975	85.91048359229599
1976	87.31345359527063
1977	88.01879738880463
1978	88.14637749532169
1979	87.79300975374385
1980	87.02672600528044
1981	85.9624148181322
1982	84.68711046485917
1983	83.24955549204742
1984	81.74268875124488
1985	80.23549996962652
1986	78.76700783316835
1987	77.36085307795904
1988	76.05020626484948
1989	74.8685859692436
1990	73.77849699973507
1991	72.75858305752809
1992	71.66610168022719
1993	70.12635415265326
1994	67.92521085659875
1995	65.66461997015081
1996	63.734595018772076
1997	62.00790857200832
1998	60.55479821982882
1999	59.39770993788031
2000	58.41444843492756
2001	57.52982972513679
2002	56.72931069237467
2003	55.93709776855293
2004	55.14874194235685
2005	53.409620596503146
2006	50.885165885632865
2007	48.60689890820623
2008	46.54669840925479
2009	44.62113605275181
2010	43.115731683822496
2011	42.133596174250115
2012	41.33529376994501
2013	40.5755187555984
2014	39.87209058923173
2015	39.21885042902594
2016	38.48480550186143
2017	37.63834634108978
2018	36.8634618316203
2019	36.231044602635826
2020	36.389367585239604
2021	36.760269425153716
2022	36.42023756128768
2023	35.874506346227896