Year	% of working-age population
1960	89.4715427753661
1961	91.14398429819126
1962	92.47268017048867
1963	93.89441456398181
1964	95.07428036135518
1965	95.7812693510689
1966	96.21260598433851
1967	96.40413899112883
1968	96.1946733771617
1969	95.7751547864071
1970	95.35669830009057
1971	94.97904028976919
1972	94.5728551751896
1973	94.06298122334731
1974	93.38737484098819
1975	93.49925594888337
1976	94.64795426540279
1977	94.91515036380093
1978	94.03307206411026
1979	93.00706514236401
1980	91.9846476835452
1981	90.99113082943245
1982	89.97840199453039
1983	88.91403501384372
1984	87.76329803023786
1985	86.51703523763065
1986	85.13951490885822
1987	83.79808081004533
1988	82.4616033188552
1989	80.96079275559946
1990	79.29497429308988
1991	77.62289847709324
1992	76.04281469337324
1993	74.36726773076295
1994	72.48968857377118
1995	70.23112336342272
1996	67.22687508260996
1997	63.76295699919587
1998	60.509768398344264
1999	57.50565769147127
2000	54.64735461448728
2001	51.99765548157218
2002	49.583150387344006
2003	47.450309588284505
2004	45.625286952700804
2005	44.149695613744235
2006	42.954496628804925
2007	41.990436883346746
2008	41.31101766288284
2009	40.90841054817946
2010	40.7872802655678
2011	40.946131760691586
2012	41.37740784134805
2013	42.106686613743534
2014	43.0501410944391
2015	44.07380787253691
2016	45.128959468371974
2017	46.17252276322222
2018	47.110645278471345
2019	47.858418806362465
2020	48.388515433348914
2021	48.66750373893676
2022	48.6640452550879
2023	48.37599596458421