Year	% of working-age population
1960	9.138526516112092
1961	9.049270279067605
1962	8.969983678243185
1963	8.905491429969565
1964	8.847730569512477
1965	8.794020611578707
1966	8.772612040561722
1967	8.789559981617218
1968	8.816116373721195
1969	8.822917855053051
1970	8.807222229161946
1971	8.761905584664095
1972	8.68101950828434
1973	8.584720447316545
1974	8.500630915317316
1975	8.4286004904923
1976	8.367195461919058
1977	8.324552233995746
1978	8.279419390040973
1979	8.18927246060105
1980	8.047894351592822
1981	7.861241655137191
1982	7.6274971382592
1983	7.379209727999108
1984	7.1575060482743
1985	6.974971756131228
1986	6.824465628287701
1987	6.706745881402718
1988	6.625894168556284
1989	6.582186971322926
1990	6.582343371370507
1991	6.631516328351675
1992	6.712738759416864
1993	6.809405909973722
1994	6.9064190405951
1995	6.981189659524925
1996	7.038095160020987
1997	7.0602702169077975
1998	7.032918757750699
1999	6.989993009470731
2000	6.95603495602153
2001	6.939880637913717
2002	6.940541563228794
2003	6.954934022275048
2004	6.956326220687058
2005	6.912963621475433
2006	6.819411670071809
2007	6.664680796720276
2008	6.450679920032519
2009	6.221194623192936
2010	6.030377880120571
2011	5.912842072097735
2012	5.8743830285257355
2013	5.906549775339606
2014	5.994013444265424
2015	6.131145277368577
2016	6.317841655034089
2017	6.541574544811556
2018	6.789443907739377
2019	7.065260905463712
2020	7.362479149504608
2021	7.694267572533942
2022	8.076879815327603
2023	8.492659954413249