Year	% of working-age population
1960	62.123177199726506
1961	63.39337536490788
1962	63.88875936034207
1963	64.02646227344059
1964	63.75860185694707
1965	63.270011806512365
1966	62.807143131836604
1967	62.36288220051032
1968	61.89599513782896
1969	61.249207024028856
1970	60.423225234461974
1971	59.67177356177973
1972	59.063816048463984
1973	58.46883730744504
1974	57.9475547892908
1975	57.479630936240916
1976	57.0732328059858
1977	56.80651182598659
1978	56.57608260906712
1979	56.44564670515805
1980	56.35160393964563
1981	56.11807419908118
1982	55.78108705815601
1983	55.458622735669515
1984	55.31745929810358
1985	55.25025086566576
1986	55.2013063163569
1987	55.22053290495458
1988	55.304584630777974
1989	55.42865048180606
1990	55.527860059622014
1991	55.59346346368691
1992	55.675721159560304
1993	55.73937370591984
1994	55.64774247380226
1995	55.358356130734464
1996	54.844649124144574
1997	54.08387863205364
1998	53.01617787496011
1999	51.747304838169015
2000	50.55065301853399
2001	49.44854002333251
2002	48.47774288517681
2003	47.73025567209912
2004	47.153934651323524
2005	46.60237784182422
2006	46.07477189030211
2007	45.53185573332991
2008	44.94589740829191
2009	44.429606618678484
2010	44.024239420582056
2011	43.938791415336475
2012	44.24443224699189
2013	44.74378680657717
2014	45.457841998500086
2015	46.315162586543714
2016	47.16891966565166
2017	48.01498260026418
2018	48.86601900940335
2019	49.71306657214718
2020	50.45212673737299
2021	51.00099886076153
2022	51.46453522449182
2023	51.92751946030416