Year	% of working-age population
1960	5.1454054219595236
1961	5.078097139509449
1962	5.053660049062813
1963	5.050609720768259
1964	5.066125318957571
1965	5.0999756929154785
1966	5.148506068085461
1967	5.206539228802898
1968	5.270613871683383
1969	5.339931157413662
1970	5.376213882668828
1971	5.373566080850243
1972	5.381387064283801
1973	5.412672229470663
1974	5.457874434141425
1975	5.509127890793155
1976	5.584705034325977
1977	5.703896963890009
1978	5.864905231971259
1979	6.0629477569181285
1980	6.22011692924813
1981	6.279580406227902
1982	6.287623362901486
1983	6.274915352772581
1984	6.243152567698526
1985	6.196037587094244
1986	6.141823217667468
1987	6.08977510740796
1988	6.036200590435817
1989	5.976359689666969
1990	5.929804838663548
1991	5.916760389115903
1992	5.929486793307613
1993	5.948128656320815
1994	5.95830840963094
1995	5.972693841957883
1996	6.0244891705473576
1997	6.116208125422447
1998	6.227165737071877
1999	6.348321834474076
2000	6.446701437603718
2001	6.512298770961733
2002	6.5756531879100955
2003	6.638500918473171
2004	6.6853377516323444
2005	6.716762495600339
2006	6.743760992062488
2007	6.78056802943276
2008	6.834479622560688
2009	6.903950294301686
2010	6.978403331593153
2011	7.04002914706872
2012	7.102460190562393
2013	7.189440812496212
2014	7.296645541970484
2015	7.3934095637257835
2016	7.490843967258332
2017	7.618967292149444
2018	7.777946837988066
2019	7.968902767620549
2020	8.180549040752428
2021	8.317318725021206
2022	8.464906599998725
2023	8.705151047202987