Year	% of working-age population
1960	79.14777883135024
1961	78.56269000881085
1962	78.1117365863411
1963	78.09460554330828
1964	78.36715306697302
1965	78.94840232847334
1966	79.87312972167811
1967	80.77799733726951
1968	81.6613547982651
1969	82.52086747405305
1970	83.29754723846102
1971	83.93420117965377
1972	84.4612340896082
1973	84.9140501295917
1974	85.29945533340704
1975	85.64924157929555
1976	85.97313471339606
1977	86.1795740426121
1978	86.48799121878925
1979	87.0478638257192
1980	87.73482355972052
1981	88.49821285117183
1982	89.26644194041418
1983	89.96473845809247
1984	90.52983928913939
1985	90.97827518377612
1986	91.33558141081713
1987	91.28794598549526
1988	91.26366186065039
1989	91.53568990975285
1990	91.70524494188801
1991	91.7799970184474
1992	91.76922167397898
1993	91.67218424234547
1994	91.47610419513033
1995	90.88636169316474
1996	89.9963369327752
1997	89.23411934122024
1998	88.79651366484012
1999	88.76813479906546
2000	88.9686329439165
2001	89.31034954862447
2002	89.86605977368275
2003	90.49136988096173
2004	91.11407567144641
2005	91.78400919259407
2006	92.40451283182418
2007	92.89544530101985
2008	93.31113158904333
2009	93.64621247189385
2010	93.76988711463507
2011	93.67602212057693
2012	93.34781617601725
2013	92.72465492696695
2014	91.81251395910436
2015	90.63633014185795
2016	89.20817218580807
2017	87.56192110990672
2018	85.75308533907729
2019	83.8056697216954
2020	81.75962395668563
2021	79.70211125394215
2022	77.72572016974304
2023	75.87750286340203