Year	% of working-age population
1960	77.43053066359127
1961	77.95629647780923
1962	78.42405381740926
1963	78.95686072461304
1964	79.48396931824799
1965	79.98546477652457
1966	80.44106306913585
1967	80.86534530032644
1968	81.31713189987741
1969	81.75524127599941
1970	82.17519495321109
1971	82.64606618800444
1972	83.18661150990273
1973	83.68670729461182
1974	84.09583443480766
1975	84.48708445646521
1976	84.90963856501132
1977	85.30378983591442
1978	85.61332687874682
1979	85.89982369700203
1980	86.09181904799745
1981	86.21795939084384
1982	86.36163199401253
1983	86.52007895725023
1984	86.69315960142623
1985	86.84002919127923
1986	86.96840102158667
1987	87.1172789995059
1988	87.24171419905984
1989	87.30071749205466
1990	87.37490120852463
1991	87.29711412317454
1992	87.21761000753551
1993	87.22984890119778
1994	86.94279448115157
1995	86.49228923655822
1996	86.32162101038132
1997	86.17270199781761
1998	85.84227927241498
1999	85.4297073876753
2000	85.05073036536301
2001	84.7035279272199
2002	84.46403938836836
2003	84.28615510520109
2004	84.05696552295683
2005	83.78789882779672
2006	83.48922833183804
2007	83.26637584731053
2008	83.08475213890019
2009	82.86853262790392
2010	82.6591850318939
2011	82.46863736849858
2012	82.34216870433254
2013	82.26633028418718
2014	82.17080316652358
2015	82.0167062878405
2016	81.77023326767973
2017	81.45420614265218
2018	81.09739887437853
2019	80.66543082671441
2020	80.1256809978347
2021	79.52525511108074
2022	79.14028993231102
2023	78.47702276791821