Year	% of working-age population
1960	78.65796837257737
1961	78.78140439090153
1962	78.93157514653646
1963	79.24910292611128
1964	79.70724893339644
1965	80.18115501981528
1966	80.76986155220561
1967	81.5100588372591
1968	82.22533114400905
1969	82.8752005096648
1970	83.49035565333716
1971	84.12311961861381
1972	84.75946692041619
1973	85.21777153550718
1974	85.49665252854889
1975	85.74509536163717
1976	86.02974464118867
1977	86.2934229083505
1978	86.40140772017939
1979	86.45731403287674
1980	86.58931861783032
1981	86.70806742224727
1982	86.64857873395759
1983	86.48171418755241
1984	86.3604252914307
1985	86.31479346400393
1986	86.32615829552321
1987	86.38525352890095
1988	86.51380048532606
1989	86.72673101728572
1990	86.9783179073192
1991	87.1766013716817
1992	87.37171341003437
1993	87.69733168864006
1994	87.67055551839944
1995	87.52607830300094
1996	87.8429789285158
1997	88.18500756396526
1998	88.20976192004441
1999	88.0340122339841
2000	87.79533550173693
2001	87.4723591309762
2002	87.1490835256448
2003	86.81273168060272
2004	86.40329562030784
2005	85.93317019363754
2006	85.36851443649498
2007	84.86103720614864
2008	84.44613640874387
2009	84.00031507205601
2010	83.52174061134014
2011	82.96736674655486
2012	82.5122560285726
2013	82.27319682263573
2014	81.99952181554961
2015	81.57574300544823
2016	80.9581526824996
2017	80.21825059201589
2018	79.41570521769206
2019	78.53197976387996
2020	77.64449538442766
2021	76.79926458439685
2022	75.93578591781453
2023	75.0118034794736