Year	% of working-age population
1960	89.80320949498524
1961	91.30259606541993
1962	92.41835921519704
1963	93.24459188989115
1964	93.27916417252274
1965	92.66430692787816
1966	92.15059446417577
1967	91.80294396393009
1968	91.51946378858369
1969	91.20099510863217
1970	90.75155147321398
1971	90.18576479754098
1972	89.45030888977544
1973	88.52689979569391
1974	87.581638843846
1975	86.75244049531578
1976	86.37080603785049
1977	86.31441941685209
1978	86.36194539596383
1979	86.6953198678576
1980	87.24416724057407
1981	86.017671109598
1982	85.16402034798611
1983	86.2142534647142
1984	87.17749466024988
1985	88.07028583038048
1986	88.85699352233665
1987	89.49187194191387
1988	89.94550352306938
1989	90.02607739506742
1990	88.19052263473746
1991	85.94793992283167
1992	84.86261922915122
1993	84.81681508814358
1994	83.84736344841306
1995	80.71088159662185
1996	76.98317167486691
1997	72.6633811899003
1998	68.02315363342596
1999	63.515183817535046
2000	59.23391839503721
2001	55.26987594474099
2002	52.074615387551745
2003	49.18670110639701
2004	46.307131990601405
2005	43.78164608081766
2006	41.586562270427116
2007	39.81607155779269
2008	38.541717843067566
2009	37.79189640500173
2010	37.518240714782415
2011	37.662631094253236
2012	38.159814722131884
2013	38.86674481375806
2014	39.99498087513488
2015	41.35565401247871
2016	42.43143977975626
2017	43.3238713600849
2018	44.14377682096343
2019	44.741480033876826
2020	45.13815845174424
2021	45.319645457701995
2022	45.32443344103301
2023	45.32310743671063