Year	% of working-age population
1960	65.91522325702847
1961	66.56190273943511
1962	67.08189110203743
1963	67.51571754907312
1964	67.89563915108282
1965	68.23764583773809
1966	68.5881541415761
1967	68.9048558449315
1968	69.1081627273526
1969	69.07569801431308
1970	69.36572410560849
1971	70.05199560600512
1972	70.64885764499121
1973	71.09525645969919
1974	71.29130917259859
1975	71.20798544208948
1976	70.76906824424255
1977	70.11336221432462
1978	69.37353802103972
1979	68.46965199267353
1980	67.41120787110079
1981	66.23321537641185
1982	64.9377422280861
1983	63.52145089822416
1984	61.98324115598189
1985	60.244013239016155
1986	58.46868236925599
1987	56.83788580404317
1988	55.29597177067639
1989	53.780945958963486
1990	52.34044934389077
1991	51.11854805246351
1992	50.117612081252894
1993	49.274575811279476
1994	48.556087292581445
1995	47.90685379217533
1996	47.31630118848959
1997	47.016781563310865
1998	46.90055394355051
1999	46.70927557459148
2000	46.48390422396144
2001	46.11556479517009
2002	45.528069832947544
2003	44.806961419626504
2004	44.023975246162415
2005	43.17139694837537
2006	42.170496549228424
2007	41.16326841144248
2008	40.30831516661476
2009	39.50436424263228
2010	38.72303045618089
2011	38.02875807753253
2012	37.43180912906187
2013	36.90505178633113
2014	36.42591603223365
2015	35.94979579639406
2016	35.464099522798115
2017	35.017833946145885
2018	34.62490238993434
2019	34.29632891188288
2020	33.98539614608266
2021	33.64269783555534
2022	33.26991120902597
2023	32.90637526031753