Year	% of working-age population
1960	8.107410831380474
1961	8.259543278396814
1962	8.395479517870944
1963	8.547553872435014
1964	8.69750111376615
1965	8.829499323410014
1966	8.948899693437214
1967	9.048484268910778
1968	9.125937564296803
1969	9.161964243320734
1970	9.179708388292752
1971	9.19822836018693
1972	9.218899685233337
1973	9.254589469437159
1974	9.279373109160344
1975	9.26240240531497
1976	9.212759270898806
1977	9.152961656511978
1978	9.073502345187912
1979	8.961188861636128
1980	8.818386559794087
1981	8.664386802016734
1982	8.531548957080872
1983	8.411617794343234
1984	8.319551748821366
1985	8.263507656746604
1986	8.207921489446623
1987	8.142860411375752
1988	8.080571626035292
1989	8.042330341815337
1990	8.037076271186441
1991	8.015922249793217
1992	7.851577069241858
1993	7.591759087655301
1994	7.388299796302994
1995	7.261742744694155
1996	7.204756057701651
1997	7.173398681764407
1998	7.125729648557658
1999	7.073219720964727
2000	7.025500789257209
2001	6.963671209843471
2002	6.88231623269306
2003	6.807628031098694
2004	6.744212697685079
2005	6.689747461726395
2006	6.647686242941532
2007	6.611376842201396
2008	6.586981297245514
2009	6.587831556355948
2010	6.571602843713639
2011	6.539692907580323
2012	6.539177185824369
2013	6.573619447362454
2014	6.62319912168672
2015	6.683119919008286
2016	6.759288167343115
2017	6.849000324130489
2018	6.951143006701003
2019	7.066913411902211
2020	7.235663253246308
2021	7.418036774005253
2022	7.572418251676842
2023	7.772203849496724