Year	% of working-age population
1960	5.962302738396494
1961	5.983808823334391
1962	6.022093554970145
1963	6.0618708211465595
1964	6.102797664732477
1965	6.131662692681612
1966	6.144850096511778
1967	6.147479168030815
1968	6.146456018177472
1969	6.146914804377307
1970	6.1421031800371315
1971	6.130465138631551
1972	6.120438360749844
1973	6.116670245479775
1974	6.1183644904255265
1975	6.124958032433281
1976	6.139373842056915
1977	6.158763477577418
1978	6.178669250505433
1979	6.197813292950308
1980	6.199314291094641
1981	6.189970491791686
1982	6.1922010303723605
1983	6.202188639400149
1984	6.2192037700790275
1985	6.239713483344918
1986	6.253351300871333
1987	6.2602129782767335
1988	6.259462736503062
1989	6.251829219313394
1990	6.241271496214157
1991	6.222729962394061
1992	6.1928391657716295
1993	6.157303723765783
1994	6.116403867518876
1995	6.070558350975784
1996	6.025648181197353
1997	5.982973020681393
1998	5.938197094444101
1999	5.894305342332188
2000	5.855973633634162
2001	5.8238350403841395
2002	5.796445480138907
2003	5.770456373844443
2004	5.743063746542919
2005	5.717201466565185
2006	5.696311723070478
2007	5.678217614181048
2008	5.662751390771103
2009	5.6504514140308
2010	5.6391579074714935
2011	5.624831112215446
2012	5.606323994169409
2013	5.573743867232844
2014	5.5199211673069515
2015	5.476534355106716
2016	5.452871444280047
2017	5.432698821889179
2018	5.41843841270947
2019	5.410723978252982
2020	5.386309968058067
2021	5.3370029054241535
2022	5.299827181513134
2023	5.289614814621889