Year	% of working-age population
1960	80.67948461430231
1961	81.63468328968352
1962	82.3793017157634
1963	83.02712140893554
1964	83.45148740773323
1965	83.7308380738361
1966	84.02828444497659
1967	84.25609505936494
1968	84.36498526002089
1969	84.37835169177008
1970	84.35726664779334
1971	84.30540343949251
1972	84.22260866742987
1973	84.07144740618618
1974	83.84768386988249
1975	83.76953804861175
1976	83.86815322506182
1977	83.78535777819485
1978	83.54522740970661
1979	83.32375671939431
1980	83.0998994378926
1981	82.49947917446235
1982	81.9597866662148
1983	81.80921192030743
1984	81.62370633131093
1985	81.37454436852548
1986	81.07066213881863
1987	80.70148611856484
1988	80.21922780884101
1989	79.55863646403748
1990	78.57109285980594
1991	77.22784704842078
1992	76.06646397342644
1993	75.02619710256947
1994	73.68210073748124
1995	71.85473000712591
1996	69.83411584985778
1997	67.62243413037596
1998	65.34681101763864
1999	63.122030934708576
2000	60.962578104716734
2001	58.903865106281955
2002	57.07328750143918
2003	55.38110923983531
2004	53.75700070896788
2005	52.20918628160253
2006	50.61581689106175
2007	49.087200884874086
2008	47.90674784142056
2009	47.07542294283497
2010	46.54879238861141
2011	46.37559015554604
2012	46.42575362753177
2013	46.627576474593454
2014	46.9542453663886
2015	47.24418987068156
2016	47.33570824851729
2017	47.295637774691365
2018	47.18181700777966
2019	46.963652212349615
2020	46.782677998526594
2021	46.52826794555176
2022	46.02579181244402
2023	45.3759286091995