Year	% of working-age population
1960	80.24683860608394
1961	80.61789891413157
1962	80.99634848076843
1963	81.47148813333696
1964	82.04152698953524
1965	82.5696737152422
1966	83.02120878910668
1967	83.46383876193306
1968	83.90408070979997
1969	84.3549413901873
1970	84.83260504832788
1971	85.34891986666906
1972	85.91130383463174
1973	86.40469430896071
1974	86.75972191899083
1975	87.0768334685229
1976	87.40111437530123
1977	87.71358473414823
1978	87.9689045173118
1979	88.23334573027564
1980	88.58099104978946
1981	88.94200809610832
1982	89.23863768013528
1983	89.45162997134055
1984	89.65826221518287
1985	89.90286827255655
1986	90.13551632256832
1987	90.32870932548674
1988	90.46248317153922
1989	90.57262251814421
1990	90.67133122948606
1991	90.6777971697571
1992	90.60665627161214
1993	90.58576867179397
1994	90.3055615728891
1995	89.94725382615563
1996	89.93856694141641
1997	89.98456979598802
1998	89.81859251135337
1999	89.52967321186223
2000	89.23022821813524
2001	88.88640780964805
2002	88.52182667019189
2003	88.11152282497552
2004	87.6609148251587
2005	87.19723022931794
2006	86.75572309807306
2007	86.43952778256022
2008	86.07346558957934
2009	85.59790100683125
2010	85.16362016727138
2011	84.67862404582941
2012	84.17262295983421
2013	83.66117399790632
2014	83.02176858483594
2015	82.35765363115716
2016	81.6564906199631
2017	80.87079483002478
2018	80.09470029266497
2019	79.33120038891066
2020	78.53173774868682
2021	77.72353583350801
2022	76.9295512203865
2023	76.10851033944262
