Year	% of working-age population
1960	6.122628766077407
1961	6.0784537968892955
1962	6.056216396913391
1963	6.067598751187729
1964	6.077187417393603
1965	6.088052903790238
1966	6.134569602806666
1967	6.162787846089707
1968	6.165573137784639
1969	6.178201841830438
1970	6.183353944513149
1971	6.18769336541767
1972	6.189298561151079
1973	6.18597581124843
1974	6.210778288154235
1975	6.27400498037395
1976	6.349304737701192
1977	6.41298833079655
1978	6.469563824889405
1979	6.548325813345998
1980	6.647070350774055
1981	6.763294410227516
1982	6.894757131842715
1983	7.042684676755888
1984	7.221884267356095
1985	7.431230844905218
1986	7.642831544598902
1987	7.80670537553849
1988	7.907614740120115
1989	8.004341587254867
1990	8.145964552512085
1991	8.313248612328367
1992	8.5017955121311
1993	8.714886489832327
1994	8.91247455655714
1995	9.111356999038618
1996	9.311667631731325
1997	9.445570483040663
1998	9.500468918655883
1999	9.542124862322767
2000	9.58363617485204
2001	9.636941035104282
2002	9.722174818253183
2003	9.842278799415343
2004	9.984753515161781
2005	10.094733109306135
2006	10.16119262350249
2007	10.193289264496695
2008	10.177859042553191
2009	10.113993061291922
2010	10.128308334291676
2011	10.269633122145278
2012	10.393713677662273
2013	10.470379846486912
2014	10.479775151624725
2015	10.457096768883842
2016	10.448890936615546
2017	10.458182057137225
2018	10.500270372130368
2019	10.533017712839769
2020	10.523847261082627
2021	10.47992476768836
2022	10.436874125544323
2023	10.44451690033692