Year	% of working-age population
1960	85.57046979865773
1961	86.69822382420637
1962	87.86409813261392
1963	89.16854855265859
1964	90.57723935978179
1965	91.32828361705451
1966	91.45930386698481
1967	91.72462008315854
1968	92.09104247933293
1969	92.45033573391783
1970	92.82115443140702
1971	93.50773595487085
1972	94.41932566851828
1973	95.14468031336871
1974	95.66586404889794
1975	95.39776660747073
1976	94.48888107585479
1977	93.6127744510978
1978	93.10354381978887
1979	92.90341657482327
1980	92.62957555532381
1981	92.25227502527807
1982	91.76343769905434
1983	91.13605619764103
1984	90.35244922341697
1985	89.40101387406617
1986	88.2729990750898
1987	87.06274060971803
1988	86.31141728295006
1989	85.94053903862185
1990	85.41367116154355
1991	84.68555789953818
1992	84.06454119867513
1993	83.56827719789088
1994	82.65084144028123
1995	81.01655691119166
1996	79.01197354098635
1997	77.05074902659538
1998	75.11751598054684
1999	73.08901867659328
2000	71.09735045848312
2001	69.38206645995804
2002	67.94270266911101
2003	66.7568654131618
2004	65.62331437730208
2005	64.45079599237815
2006	63.22422384055194
2007	61.870954909191056
2008	60.55345873508243
2009	59.41147711299883
2010	57.99754131949187
2011	56.72886244817018
2012	55.7925965681232
2013	54.69204960314528
2014	53.635870600823765
2015	52.63509976150311
2016	51.84901626556496
2017	51.25881457438711
2018	50.61825346964418
2019	50
2020	49.2297066824531
2021	48.40067457386166
2022	47.705903438387516
2023	46.98883846436894