Year	% of working-age population
1960	88.36644962879315
1961	90.30691237542689
1962	91.05860571538359
1963	90.95379024656974
1964	90.15109040540304
1965	88.68301872830705
1966	86.54924402423289
1967	83.93395264740022
1968	80.92711658648442
1969	77.404978633221
1970	73.85132388865843
1971	70.5461771794702
1972	67.40116645784286
1973	64.45283997981271
1974	61.52633622513141
1975	58.52801356449968
1976	55.809338233245896
1977	53.38137563694531
1978	51.04750010589236
1979	48.888319752134
1980	46.92479518922933
1981	45.30165670676824
1982	44.06973794376935
1983	43.15475793193336
1984	42.43331795469296
1985	41.65711398088634
1986	40.712205950184504
1987	39.7349215813455
1988	38.79592562266802
1989	37.904699975391814
1990	37.306997847433166
1991	37.146938007725524
1992	37.05252262150708
1993	36.76796428441703
1994	36.373270727734244
1995	36.12367400820487
1996	36.110607437631934
1997	35.98248150499146
1998	35.49696951086763
1999	34.67151322996115
2000	34.04788718894893
2001	34.09650575676629
2002	34.27034319730581
2003	34.0092374209996
2004	33.26689174926021
2005	32.32744206707817
2006	31.48160097314007
2007	30.553125312078826
2008	29.393296965000893
2009	28.120652310171003
2010	27.311189157537452
2011	27.343567288814118
2012	27.661107825592552
2013	27.75280821776811
2014	27.606595377561945
2015	27.609403390050897
2016	28.218840472668493
2017	29.314257498425693
2018	30.668249266962068
2019	32.28075139474664
2020	33.879591377822464
2021	35.353001866650054
2022	36.905358377581905
2023	38.54215392251198