Year	% of working-age population
1960	76.85369620506293
1961	78.02266632927274
1962	79.12881337287476
1963	80.16828819802184
1964	80.7978059152972
1965	81.0435817276477
1966	81.22262534094942
1967	81.31290486664217
1968	81.30348748775229
1969	81.18949216336733
1970	80.98149888999708
1971	80.7230318895277
1972	80.40910453434755
1973	80.14832329450293
1974	79.94026976583281
1975	79.6727562647899
1976	79.3717768211064
1977	78.98186125702516
1978	78.49175426195522
1979	77.97326121089436
1980	77.39911664563883
1981	76.78750912505464
1982	76.23210627800691
1983	75.59539479896672
1984	74.83407852502812
1985	74.00912144905953
1986	73.07668017305485
1987	72.04282993687546
1988	70.92476789894383
1989	69.82831949678815
1990	68.80726776869997
1991	67.83992307519976
1992	66.89745659312901
1993	65.9401918352917
1994	64.9329949989244
1995	63.87743488594555
1996	62.80439519766545
1997	61.679504581453784
1998	60.476195883533755
1999	59.24357523771738
2000	58.08876526763284
2001	57.10242215539403
2002	56.302079977574394
2003	55.61793005567574
2004	54.918963005026555
2005	54.16705323265647
2006	53.39934494948422
2007	52.641714020832474
2008	51.825929318911314
2009	51.026536186977
2010	50.31847614505068
2011	49.616187752555795
2012	48.92967240575721
2013	48.29433795936121
2014	47.796628690214206
2015	47.43457462689859
2016	47.107697066772985
2017	46.778196371372914
2018	46.49384110471002
2019	46.297909512180894
2020	46.15132760079823
2021	46.00681431014358
2022	45.89245412642759
2023	45.838716978328875