Year	% of working-age population
1960	6.687029905560996
1961	6.526345217672838
1962	6.397071099920806
1963	6.295748490366088
1964	6.226121310671463
1965	6.1861805084928
1966	6.170711121665127
1967	6.173589384531112
1968	6.190247597024348
1969	6.214531245620085
1970	6.244797131331766
1971	6.260847174116909
1972	6.2760464267930045
1973	6.307102362539105
1974	6.33696777551227
1975	6.364955288894077
1976	6.3908552572892035
1977	6.415433385832456
1978	6.439568511403679
1979	6.44995512319407
1980	6.424644846210289
1981	6.382951450088127
1982	6.362232388848166
1983	6.375356363214814
1984	6.4218555467516705
1985	6.463433334823525
1986	6.485942971562056
1987	6.500450556998458
1988	6.510118590656111
1989	6.524532276989245
1990	6.540674618735233
1991	6.556523870564295
1992	6.601431966449834
1993	6.637945358848625
1994	6.641351874467144
1995	6.629822308446406
1996	6.600462511871225
1997	6.569073895356794
1998	6.534595637318548
1999	6.501360914780742
2000	6.4561717781645
2001	6.409540329206454
2002	6.394846335165656
2003	6.397911674635831
2004	6.400211871198752
2005	6.408027373412373
2006	6.424611108297575
2007	6.448708135559306
2008	6.480595344930178
2009	6.513386850779172
2010	6.541781103182713
2011	6.575383475270821
2012	6.624015204213819
2013	6.679766020785413
2014	6.72886718706284
2015	6.773479013802998
2016	6.82901021965473
2017	6.89683240714287
2018	6.971403352843477
2019	7.058462442194418
2020	7.128836458471309
2021	7.174580161361992
2022	7.223873274032131
2023	7.304263453792272