Year	% of working-age population
1960	88.00457969990987
1961	89.04587382803624
1962	89.88832425899739
1963	90.62451923109568
1964	91.11196714392395
1965	91.42432306480796
1966	91.73002608856294
1967	91.95262699826134
1968	92.04764583705986
1969	92.04146706875014
1970	91.99786252377984
1971	91.92394181558484
1972	91.82344463176749
1973	91.6572541438899
1974	91.40813046851605
1975	91.32808975467391
1976	91.45781822095796
1977	91.36115400214561
1978	91.04850677633361
1979	90.74950018067129
1980	90.45332526717137
1981	89.76377649840485
1982	89.13328145279411
1983	88.9130784817106
1984	88.67818617804771
1985	88.40195453855584
1986	88.09150363720818
1987	87.73911945278115
1988	87.29437779255419
1989	86.67951178475326
1990	85.70639694821435
1991	84.39046563920188
1992	83.27859758007098
1993	82.32422563841361
1994	81.05847233854169
1995	79.26880781850156
1996	77.30858949491343
1997	75.18579710335153
1998	72.98634991044688
1999	70.8252349887359
2000	68.73303029027424
2001	66.74053566308567
2002	64.97150623664702
2003	63.32921179649061
2004	61.74375672286279
2005	60.21275546575981
2006	58.605347271196166
2007	57.04560991422461
2008	55.85666926112845
2009	55.03370583783633
2010	54.504512686801405
2011	54.36365230692205
2012	54.50135711748956
2013	54.83240498313616
2014	55.305743065754015
2015	55.71784284902694
2016	55.906615664558984
2017	55.970221078255854
2018	55.964416508928274
2019	55.85877117892956
2020	55.80083166546307
2021	55.667520257762746
2022	55.29339731593286
2023	54.811485688673095