Year	% of working-age population
1960	82.52786660865638
1961	83.76353727403168
1962	85.06521948383524
1963	86.35248302530636
1964	87.37189143926646
1965	88.12990069866098
1966	88.64640519101752
1967	88.40016214515818
1968	87.56122076234576
1969	86.39222931061633
1970	84.57696318677016
1971	82.6578261917013
1972	80.88211746716493
1973	78.730179028133
1974	76.19623026657474
1975	73.40766084360504
1976	70.46157666289147
1977	67.67323519490881
1978	65.12215758182225
1979	62.97408687496744
1980	61.20048729143317
1981	59.6743641920357
1982	58.349271735161665
1983	56.85297318273557
1984	54.99158527419532
1985	52.956315603118945
1986	50.93086488456924
1987	49.01097355742595
1988	47.30701645279045
1989	45.813663643852934
1990	44.552660872234625
1991	43.58286875134084
1992	42.81710743330587
1993	42.18444503555751
1994	41.55185581589051
1995	40.767736689582904
1996	39.98078475453594
1997	39.400378144500124
1998	39.039179599053284
1999	38.937463342647455
2000	39.12830909899597
2001	39.382212037185056
2002	39.543131294339496
2003	39.63995695251569
2004	39.65307555407752
2005	39.51613216121535
2006	39.27953823120995
2007	38.98587291907904
2008	38.583552651484624
2009	38.17251967825882
2010	37.82855789360702
2011	37.35860003183611
2012	36.86715828294248
2013	36.60006434402454
2014	36.51469746741435
2015	36.47946813215154
2016	36.48812443731542
2017	36.84235121798485
2018	37.38702236989036
2019	37.96758351658445
2020	38.880178032443254
2021	39.944538542088225
2022	40.96971538873802
2023	42.072608312516444