Year	% of working-age population
1960	75.04018913176425
1961	76.2602766283982
1962	77.27233074981692
1963	78.20569311449401
1964	79.49701366400555
1965	80.80933356085094
1966	81.96315276582116
1967	83.1305899999571
1968	84.29455038298492
1969	85.4296788580834
1970	86.53495759680236
1971	87.6171306597818
1972	88.64229269542693
1973	89.58983759669879
1974	90.45410193733994
1975	91.22658853625423
1976	92.09661124420906
1977	93.077243289009
1978	93.82570562638628
1979	94.45589051901749
1980	94.4981210830214
1981	94.27863575711272
1982	95.69098470333097
1983	97.49068292184597
1984	98.119044334922
1985	98.44221633405922
1986	98.7479680964363
1987	99.05418829354598
1988	99.40108729796171
1989	99.72033589229834
1990	99.91056027151622
1991	100.00910234723383
1992	99.9888534191642
1993	99.78426041834663
1994	99.40356757593952
1995	98.85124665392833
1996	98.07471593918441
1997	97.08693709868498
1998	96.09214328620735
1999	95.23174897233851
2000	94.40980762804637
2001	93.51287158788136
2002	92.56424522329371
2003	91.71173338228601
2004	91.00551640177022
2005	90.40021011598702
2006	89.87039938458801
2007	89.34300747844019
2008	88.83265377872854
2009	88.40052765832456
2010	88.04783092640493
2011	87.76561921951857
2012	87.49263674964378
2013	87.14206658075241
2014	86.39762663760258
2015	85.555672113657
2016	85.03840629127912
2017	84.70461337862385
2018	84.30102083525797
2019	83.71016387910488
2020	83.0233118882201
2021	82.25609854977137
2022	81.42001951036903
2023	80.51890888976745
