Year	% of working-age population
1960	61.05156164327946
1961	61.29874833653628
1962	61.003553574638914
1963	60.588935924833486
1964	60.29231723684894
1965	60.085778830606294
1966	59.99707414708657
1967	59.99969547489038
1968	59.97872428975136
1969	59.9451460841678
1970	59.934844415912146
1971	59.99642082928962
1972	60.06855977430644
1973	60.08784701135552
1974	59.98062870192147
1975	59.703577674044794
1976	59.23238192432849
1977	58.78575462286223
1978	58.385681678650826
1979	57.9003792966466
1980	57.123640316360536
1981	55.914672214800355
1982	54.67210999778298
1983	53.54499489958088
1984	52.54606162697271
1985	52.09567403043005
1986	52.027735389813934
1987	51.86217639400578
1988	51.715481891690494
1989	51.69606828227641
1990	51.86975538730938
1991	52.214565285320404
1992	52.527021412637446
1993	52.731355333587324
1994	52.87579239421121
1995	52.97864303798041
1996	53.03918073805172
1997	53.08674814061458
1998	53.20664798984581
1999	53.38250645414322
2000	53.54001369277649
2001	53.64747772436122
2002	53.694788551492
2003	53.67754236273565
2004	53.68391404622855
2005	53.665580093656914
2006	53.559468440446466
2007	53.54845363247848
2008	53.76734766242552
2009	54.138938728162614
2010	54.52436465041364
2011	55.23002646609658
2012	56.31722887527806
2013	57.43233757016767
2014	58.511299010161146
2015	59.46928012331908
2016	60.2606963110219
2017	60.99057070632637
2018	61.67010143844915
2019	62.279740378427164
2020	62.76491802631078
2021	63.123169283797566
2022	63.55214794665526
2023	64.04510929429749