Year	% of working-age population
1960	10.771246554917996
1961	10.89599784637473
1962	11.023832901901276
1963	11.173060263444324
1964	11.35151877170859
1965	11.528368872521996
1966	11.68488420682223
1967	11.816984858459513
1968	11.950621607424269
1969	12.110243774802669
1970	12.253126347563605
1971	12.361760165782073
1972	12.461136674542967
1973	12.549131417632323
1974	12.619878817061917
1975	12.684570409275592
1976	12.763951364198864
1977	12.826473403527963
1978	12.87097842820118
1979	12.921085464753586
1980	12.941291013533249
1981	12.787149519258447
1982	12.478760153113623
1983	12.151535513865936
1984	11.876864081806561
1985	11.724246560957681
1986	11.701069602694073
1987	11.780922947250124
1988	11.922892592789818
1989	12.072301243237433
1990	12.181354043073384
1991	12.232791791363832
1992	12.278764938842745
1993	12.392977600968607
1994	12.574450605873896
1995	12.78386479483836
1996	13.043478260869565
1997	13.340965274666933
1998	13.651116283644232
1999	13.98806153647055
2000	14.344275369253836
2001	14.507780148073786
2002	14.53501792831751
2003	14.506367988438262
2004	14.355023670204945
2005	14.194095739326748
2006	14.035112438708222
2007	13.883547525834523
2008	13.748196935470702
2009	13.645689458651255
2010	13.595933926302415
2011	13.582298522696046
2012	13.584578338209782
2013	13.61120364913
2014	13.668663079890367
2015	13.750440074435447
2016	13.86988866144091
2017	14.014074892328315
2018	14.187287005482293
2019	14.403686635944702
2020	14.634474163316675
2021	14.896536649341819
2022	15.253356536030646
2023	15.701355287547242