Year	% of working-age population
1960	85.93824091503456
1961	86.18282439531421
1962	86.47001496163507
1963	86.77689275082469
1964	87.091578161627
1965	87.46403038712896
1966	87.88268651869247
1967	88.29074943594122
1968	88.72392608819888
1969	89.2750790991997
1970	90.03417245699966
1971	91.70833987397125
1972	94.03278978693275
1973	96.02829162132753
1974	97.76971507843346
1975	99.0418799587143
1976	99.51312339943114
1977	99.4590523144344
1978	99.19112025597221
1979	98.73466083270415
1980	98.12524091530294
1981	97.39436204032414
1982	96.55102471319388
1983	95.61444579704717
1984	94.55530216647662
1985	93.31195734409337
1986	92.04342467839982
1987	90.89812537902264
1988	89.83515777572207
1989	88.83055543503188
1990	87.89799387149286
1991	86.99380189181063
1992	86.06058235938234
1993	85.1328073955279
1994	84.24946483579596
1995	83.41809550263882
1996	82.60863190510867
1997	81.78054515947404
1998	80.94956577530304
1999	80.11275289434636
2000	79.38723110449436
2001	78.79756404871902
2002	78.23292614078008
2003	77.68759119431665
2004	77.15448228692232
2005	76.64030557144969
2006	76.1767662581494
2007	75.75474589410301
2008	75.32187935328633
2009	74.85336187202864
2010	74.3640634449668
2011	73.89826649754447
2012	73.48942741593514
2013	73.11096402789107
2014	72.71107624406005
2015	72.27187610119489
2016	71.7918574083307
2017	71.26718095852316
2018	70.69878341844398
2019	70.09951079947999
2020	69.4670059785949
2021	68.76531136399558
2022	68.1063314635243
2023	67.50331706447999