Year	% of working-age population
1960	6.709866662906058
1961	6.7510127035740854
1962	6.727973835096503
1963	6.7184269433934976
1964	6.72837800497375
1965	6.766006706553675
1966	6.829066581084751
1967	6.908253875827936
1968	6.9923726082337625
1969	7.068385913771216
1970	7.1321430019285454
1971	7.142470537629508
1972	7.098872457996823
1973	7.046781941232466
1974	6.99418764080588
1975	6.9471423382448165
1976	6.907667748081775
1977	6.872195446235666
1978	6.835035006912664
1979	6.793760664343269
1980	6.747748411937756
1981	6.69047334518981
1982	6.6246078644262
1983	6.564354559175779
1984	6.518998943183078
1985	6.496750837586851
1986	6.501581272005661
1987	6.531344191329702
1988	6.575718736928751
1989	6.619064699816168
1990	6.644985595966871
1991	6.642648052240487
1992	6.602057591940088
1993	6.5369912200001785
1994	6.474359401997345
1995	6.412993121731825
1996	6.359725278978975
1997	6.325668534261829
1998	6.317251491042702
1999	6.33074878352482
2000	6.358345770375408
2001	6.397382948994436
2002	6.437290184262882
2003	6.499991201365549
2004	6.58793288799266
2005	6.672591663181375
2006	6.750989990755034
2007	6.833730130566722
2008	6.930155506866884
2009	7.042984231744034
2010	7.1821134149387955
2011	7.358537156750391
2012	7.5454494004012
2013	7.732169672398431
2014	7.941991799153514
2015	8.170700720474086
2016	8.412686450120074
2017	8.668477875496613
2018	8.752382291373761
2019	8.945691183962065
2020	9.291536485186777
2021	9.466062035743459
2022	9.640018611541054
2023	9.936803388108766