Year	% of working-age population
1960	64.35525957705669
1961	65.4043621168497
1962	66.46761380367224
1963	67.62566605922694
1964	68.83299660351157
1965	69.95536434859264
1966	71.05464842487574
1967	72.19544339634155
1968	73.36424165309138
1969	74.35811788143857
1970	75.23599369705364
1971	76.26126399597575
1972	77.41566690995347
1973	78.61173354775768
1974	79.7694570800113
1975	80.88262562581123
1976	81.96833398131142
1977	83.03215628020659
1978	84.08080442537353
1979	85.12183187682697
1980	86.14657081157915
1981	87.15776765198426
1982	88.13887657798047
1983	89.0688957472797
1984	89.92552619344958
1985	90.67424185081458
1986	91.29592045163169
1987	91.80122538682762
1988	92.20313774904204
1989	92.483835718986
1990	92.61293388065404
1991	92.57421778176064
1992	92.36328979670546
1993	91.97426864757236
1994	91.38747523678187
1995	90.56907586319352
1996	89.52413111513754
1997	88.34165046342858
1998	87.0838545862785
1999	85.76146745037684
2000	84.40182238285975
2001	83.01092107050863
2002	81.57944953532467
2003	80.11506779147197
2004	78.6444006867879
2005	77.19123881128354
2006	75.76436760768175
2007	74.39251915784261
2008	73.11349794479122
2009	71.99814431874447
2010	71.08083193524327
2011	70.33222693525168
2012	69.6747117283734
2013	69.0589547496634
2014	68.57379654119691
2015	68.2823070701205
2016	68.1586112727689
2017	68.14089419972188
2018	68.13221624200474
2019	68.05746425343978
2020	67.87469080566999
2021	67.56327517139746
2022	67.1431439947555
2023	66.61503892253239