Year	% of working-age population
1960	76.93873422449074
1961	76.9829200968008
1962	77.24362732801244
1963	77.77004901070976
1964	78.76668821976182
1965	79.79485775659191
1966	80.51900464861909
1967	81.20180735384825
1968	81.84415448441938
1969	82.48484390857584
1970	83.07156938287419
1971	83.61974937882731
1972	84.15816381405821
1973	84.6755307666727
1974	85.21361914588785
1975	85.87402261223836
1976	86.63349185852414
1977	87.44413016928453
1978	88.31226853455809
1979	89.16496973767948
1980	89.96208955752142
1981	90.6242335520265
1982	91.11247587296016
1983	91.5237076480502
1984	91.51667780957692
1985	91.10599156982201
1986	90.69160087296737
1987	90.17947396308875
1988	89.48667144595841
1989	88.6314142466516
1990	88.02652773133269
1991	87.43588182247855
1992	86.65174150616208
1993	85.81559851157311
1994	84.94343868760699
1995	84.18289842787544
1996	83.67607840522702
1997	83.40243726009857
1998	83.2291836614262
1999	83.24138669413134
2000	83.50636740012828
2001	83.81638625492347
2002	84.21556955427339
2003	84.71567953596755
2004	85.31827497120025
2005	86.00698511804256
2006	86.73562030715156
2007	87.44865819879546
2008	87.77812736342506
2009	87.92072718558218
2010	88.06283800220812
2011	86.69765531160556
2012	85.69003506545837
2013	85.9921348593101
2014	85.908940202569
2015	85.45929455720741
2016	84.87987966162886
2017	84.28946852776082
2018	83.53556040873843
2019	82.57186175881402
2020	81.26368362340388
2021	79.70562201942035
2022	78.03350911691997
2023	76.36602550456769