Year	% of working-age population
1960	83.55798625565944
1961	83.79785537486919
1962	83.91646465774757
1963	83.81024885772948
1964	83.3626902371072
1965	82.75594565038878
1966	82.20719936296726
1967	81.67923379515639
1968	81.11445168440889
1969	80.47289861034645
1970	81.6656193233036
1971	83.70692243880914
1972	84.2386938013
1973	84.17561592790463
1974	83.55475556274513
1975	82.96904216578686
1976	82.31082293872788
1977	80.14192453102432
1978	77.86905655574881
1979	75.44087019936441
1980	74.86106527046145
1981	75.4739881533525
1982	75.18374151896627
1983	75.44901554722821
1984	76.41053658874854
1985	77.69626186215127
1986	78.35750234673723
1987	78.72850107809352
1988	79.83500322905536
1989	81.58808994780867
1990	83.52171341744808
1991	85.8729506238147
1992	87.1503025683643
1993	87.39828317061152
1994	88.05820801490624
1995	88.00456514381143
1996	86.62054513824425
1997	84.59875720507247
1998	79.12882828101586
1999	73.63433694621129
2000	70.80306913402795
2001	68.0133962765322
2002	65.32994781060152
2003	62.76268805321953
2004	60.39816011568888
2005	58.22373309853995
2006	56.156685837057154
2007	54.26261638450107
2008	52.54520020269098
2009	51.07832604547451
2010	49.94621632263099
2011	49.157450120081776
2012	48.79013822298602
2013	48.459468564146576
2014	47.98923481608126
2015	47.60316394552506
2016	47.232933167511874
2017	46.829501305958814
2018	46.415909839534706
2019	45.9923578519785
2020	45.506433833689535
2021	44.95936198698821
2022	44.36881756009455
2023	43.716104389806745