Year	% of working-age population
1960	53.952364933640474
1961	54.12903271894086
1962	53.99542710704741
1963	53.52210599578109
1964	52.79818546195399
1965	51.904843128335706
1966	50.804436301274066
1967	49.71805773309404
1968	49.00906615065939
1969	48.661314629584886
1970	48.48485004021477
1971	48.44655977882432
1972	48.775916198467115
1973	49.56438595899335
1974	50.89291134215965
1975	52.665215790626476
1976	54.731662152266956
1977	56.58559125266481
1978	57.86681287730438
1979	58.955387554751695
1980	59.801717995969284
1981	60.26432309954948
1982	58.96600601936146
1983	56.0437128958756
1984	53.93316592826085
1985	52.882805737547436
1986	52.38230724724174
1987	52.27399142852005
1988	52.2491714586659
1989	52.10067958324673
1990	51.62235167916636
1991	50.89115448962941
1992	50.115136888626274
1993	49.46531170977336
1994	48.90129481352037
1995	48.35981103250437
1996	47.87927080671891
1997	47.61543946235829
1998	47.53218872163906
1999	47.34244789045694
2000	46.99522649692756
2001	46.51012243197336
2002	45.88557340015407
2003	45.27046535943629
2004	44.74191751422067
2005	44.3999686270855
2006	44.3810154186419
2007	44.57043167634139
2008	44.89857672863051
2009	45.4019439147561
2010	45.94410550945933
2011	46.36754719788356
2012	46.66458566815005
2013	46.93865981412974
2014	47.46195419986644
2015	48.25675970701814
2016	49.16537568920481
2017	50.20624616791752
2018	51.28613220489273
2019	52.28761812881256
2020	53.14877019516378
2021	53.72889500200944
2022	52.81403703012835
2023	52.204864455747924