Year	% of working-age population
1960	70.71040083445091
1961	71.56735633023501
1962	72.89337186137087
1963	74.73818284743844
1964	77.30026969283037
1965	80.97265489788855
1966	84.96469587409614
1967	87.82563708883363
1968	89.38427142320936
1969	90.43591826333477
1970	91.34734815550864
1971	91.9876104857596
1972	92.21682539216694
1973	91.98429297025055
1974	91.82946528420152
1975	92.35038772191537
1976	93.12589216726253
1977	93.50117917011919
1978	93.82104125517087
1979	94.16509228309839
1980	94.19718044448632
1981	93.91608471534866
1982	93.27663156029547
1983	92.26085185304302
1984	91.38900998526084
1985	91.89513365318712
1986	93.61219641489801
1987	95.3173259894623
1988	96.53943167751002
1989	97.33877831905686
1990	98.16682669861433
1991	98.96382382433858
1992	99.30657420989465
1993	99.05510663449549
1994	98.09524557586421
1995	96.1202509532273
1996	93.24549003523009
1997	89.94902497917225
1998	86.2970170377225
1999	82.27822382434869
2000	78.05698943029478
2001	73.89125593105452
2002	69.96813286501826
2003	66.281209964811
2004	62.75317819435466
2005	59.391028968954416
2006	55.74506239194725
2007	51.851159923216684
2008	48.35411152848543
2009	45.47511972291803
2010	43.17307083122149
2011	41.368686925891105
2012	40.006864161849705
2013	38.98951150820628
2014	38.066446239373434
2015	37.21927323704065
2016	36.55729080551339
2017	36.03037082465945
2018	35.6197006031136
2019	35.39976436298835
2020	35.45256350844673
2021	35.61527338548602
2022	35.98499402876577
2023	36.56990078766989