Year	% of working-age population
1960	6.577985329604389
1961	6.6491533436160335
1962	6.736767022253222
1963	6.81297481080243
1964	6.875841790298712
1965	6.928586844461391
1966	6.955671676339016
1967	6.95536608836384
1968	6.944107090745663
1969	6.923507407543342
1970	6.897525512207242
1971	6.869162535816588
1972	6.8398415322840584
1973	6.806789331147241
1974	6.7636017814198945
1975	6.7360154662945
1976	6.735103911356596
1977	6.705151913821742
1978	6.635814130551658
1979	6.564299899491526
1980	6.497484711512408
1981	6.431338897877766
1982	6.365983767241374
1983	6.307219725316376
1984	6.265505398474522
1985	6.2387653584750185
1986	6.225399049331022
1987	6.221836616272217
1988	6.217288774158522
1989	6.2178458017069165
1990	6.217738748255146
1991	6.231397099476502
1992	6.236015277090207
1993	6.2390407590132355
1994	6.237725722646984
1995	6.234737213705223
1996	6.257917086146525
1997	6.3057700476774015
1998	6.321630823448424
1999	6.304582196739351
2000	6.279955752395714
2001	6.250649681397761
2002	6.220397824418704
2003	6.183750739697148
2004	6.140518410954199
2005	6.081520922511797
2006	5.998563796743444
2007	5.907904897209727
2008	5.836488751438521
2009	5.794908715633034
2010	5.795805409783809
2011	5.850961667579255
2012	5.937658761784021
2013	6.039906265509595
2014	6.151067871236264
2015	6.268316192126657
2016	6.39060642863966
2017	6.524198695182654
2018	6.67103562856093
2019	6.826608825145916
2020	6.991408516924531
2021	7.144433684533836
2022	7.278010820803133
2023	7.422974796101281