Year	% of working-age population
1960	82.28765904358276
1961	81.61186395879618
1962	81.06484805393255
1963	80.85638177091982
1964	80.8698613604727
1965	81.39317143217518
1966	82.41943669119513
1967	83.39049615044964
1968	84.28267599453977
1969	85.08861579135043
1970	85.82257671255476
1971	86.4716630977873
1972	87.00043513187843
1973	87.42873637872556
1974	87.81704975114461
1975	88.20894534954162
1976	88.58637789005542
1977	88.8952273703863
1978	89.12855069009599
1979	89.3064600889623
1980	89.42304176949091
1981	89.50655457997522
1982	89.6186715988634
1983	89.77152310548907
1984	89.95717322761865
1985	90.18933374190247
1986	90.41810485438411
1987	90.70369604159656
1988	91.07140029821916
1989	91.49800041904658
1990	92.07767587048542
1991	92.30187462220407
1992	92.78977864570267
1993	92.08283892882902
1994	91.58687397757801
1995	88.23235817915764
1996	86.22390564082318
1997	88.68116079257975
1998	90.58720722716588
1999	91.87630229219712
2000	92.65894757690843
2001	91.64438403808714
2002	90.00793618827264
2003	87.73458952449212
2004	85.74832008131371
2005	85.78760865699981
2006	86.67179997718529
2007	87.50107329551061
2008	86.82343756895294
2009	86.11688975553467
2010	85.83987096347586
2011	85.26116191842567
2012	84.8660421476452
2013	84.58702424170137
2014	84.9133722104483
2015	85.41029435765459
2016	85.34694374360085
2017	84.81681175190424
2018	83.48675496865086
2019	81.82048250685305
2020	79.92579050618403
2021	77.90204731884917
2022	76.08677884052388
2023	74.48500199203929