Year	% of working-age population
1960	8.650619830880581
1961	8.336871601305571
1962	8.060920722407952
1963	7.823040926322726
1964	7.6362459775110105
1965	7.499138491032385
1966	7.4026638068699055
1967	7.344593995692561
1968	7.316106138249443
1969	7.306493531886125
1970	7.330356806694978
1971	7.396033549881649
1972	7.4703057844437355
1973	7.537239829613609
1974	7.607652696400105
1975	7.686329733332116
1976	7.775781584092117
1977	7.870498939959418
1978	7.979399652907595
1979	8.10477171844542
1980	8.238222237134497
1981	8.382001271874728
1982	8.52939813161171
1983	8.680853605549919
1984	8.845554996010792
1985	9.01647071151543
1986	9.18679277448153
1987	9.353068113005541
1988	9.513727263423448
1989	9.670735982256879
1990	9.82802013540919
1991	9.98611147226324
1992	10.14330390157674
1993	10.292059309245815
1994	10.411647002435318
1995	10.504477466748774
1996	10.57962373802722
1997	10.645305107647
1998	10.712112265930788
1999	10.789457010604526
2000	10.816690942208945
2001	10.781594923836831
2002	10.760590368112853
2003	10.759205306741498
2004	10.763441364997735
2005	10.780429800905825
2006	10.818879878830385
2007	10.924612478440443
2008	11.071027911282059
2009	11.239377100866328
2010	11.434324929672709
2011	11.653244088241136
2012	12.008154652877613
2013	12.497942343741531
2014	13.039897311874366
2015	13.610571398636603
2016	14.16991597048172
2017	14.74006987258819
2018	15.337108089879006
2019	15.923330177664505
2020	16.46549401871106
2021	16.99964939775227
2022	17.574445252016012
2023	18.146706327384457