Year	% of working-age population
1960	83.1987799522381
1961	83.45841929666558
1962	83.81392434478066
1963	84.34776627853346
1964	85.27728442817434
1965	86.44139465015968
1966	87.57443983903269
1967	88.70347732594959
1968	89.7968166930475
1969	90.82613023757948
1970	91.77561085648077
1971	92.6157582460781
1972	93.34100395323627
1973	93.94719917323899
1974	94.43492703031049
1975	94.80805415705666
1976	95.06692683267273
1977	95.29715988779803
1978	95.49187597193405
1979	95.5555139847245
1980	95.4991040507804
1981	95.36456943136436
1982	95.15402742335259
1983	94.88630646648618
1984	94.58890951947066
1985	94.2658011692003
1986	93.91991509839936
1987	93.5472808010849
1988	93.16166983729941
1989	93.28814470905539
1990	93.37902646634952
1991	92.94787993784736
1992	91.40212371145047
1993	89.83241418110876
1994	89.25628009253582
1995	89.43223038025859
1996	90.30208533293636
1997	90.55397928838632
1998	90.15439740725084
1999	89.56616091288858
2000	88.82712213072428
2001	88.5185397545689
2002	88.53257841094808
2003	88.40010010278178
2004	88.17614601560804
2005	87.92132202945744
2006	87.64686036116139
2007	87.27695777712584
2008	87.02430311331581
2009	87.25023599194105
2010	88.04892682478832
2011	89.39469990262232
2012	91.16137440546507
2013	91.6226769405779
2014	90.67349415403423
2015	89.72175053509513
2016	88.7410925480646
2017	87.69857169155469
2018	86.58963154036175
2019	85.40153672041129
2020	84.09709592880024
2021	82.71201646357734
2022	81.25424562979984
2023	79.7355224427824