Year	% of working-age population
1960	60.04473420755115
1961	60.51557051930392
1962	61.221620505003195
1963	62.12527901926387
1964	63.0209196855398
1965	63.760477051240414
1966	64.44171557652838
1967	65.09296183832717
1968	65.6477943589063
1969	66.07816663199787
1970	66.36487235066485
1971	66.51568606804987
1972	66.46933099253101
1973	66.16651250805026
1974	65.5509098102817
1975	64.51172203146423
1976	62.971596142299134
1977	60.89553216442552
1978	58.33675031818125
1979	55.45498488929543
1980	52.4265176375281
1981	49.27561750558239
1982	46.342433339987814
1983	43.85237967182878
1984	41.60927330810043
1985	39.531530125307754
1986	37.60592587647953
1987	35.91311113148318
1988	34.57287490961392
1989	33.5998332365906
1990	32.952675192599365
1991	32.515811103413434
1992	32.192417188365155
1993	31.97680106398526
1994	31.89162822434438
1995	31.921020767917664
1996	31.992476885771246
1997	31.91560234609089
1998	31.622978712069592
1999	31.240555405508495
2000	30.79386850949122
2001	30.302394588883207
2002	29.77897826230944
2003	29.180323341716495
2004	28.48962454076157
2005	27.76379065121854
2006	27.075049869583616
2007	26.494329061530212
2008	26.051975424753078
2009	25.73480537669789
2010	25.48875522856132
2011	25.26380890882876
2012	25.019697170429268
2013	24.738350027648153
2014	24.429837143684075
2015	24.13455671061043
2016	23.8496608484606
2017	23.566058852990178
2018	23.362190393573375
2019	23.227836044611337
2020	23.124469012248277
2021	23.05464595632368
2022	22.959828652687577
2023	22.78692845458387