Year	% of working-age population
1960	77.7862618983132
1961	77.97522502379492
1962	77.70480032306132
1963	77.22932204308461
1964	76.92047581045902
1965	76.87816330218506
1966	76.92461759391136
1967	76.88598381003973
1968	76.72009220832756
1969	76.49227630199795
1970	76.25075943257248
1971	76.05998581491887
1972	75.93209535065128
1973	75.80406732419213
1974	75.69427127009514
1975	75.64108757593459
1976	75.6550387602276
1977	75.64333566400262
1978	75.60163932214378
1979	75.61920058544854
1980	75.64784201890222
1981	75.63888883102972
1982	75.62455500178883
1983	75.63877152627586
1984	75.68175780600825
1985	75.75812398002458
1986	75.8604333400002
1987	75.93325917856413
1988	75.9241613897716
1989	75.75214202285558
1990	75.3273210022341
1991	74.71777873404402
1992	74.00132285533965
1993	73.10617966988376
1994	71.96144665163713
1995	70.66767462742087
1996	69.30722433322468
1997	67.86800037594631
1998	66.37093764358085
1999	64.84975289732145
2000	63.31133127936754
2001	61.78156351248326
2002	60.24443976251099
2003	58.753149332051315
2004	57.407618110829816
2005	56.26831416798546
2006	55.34888205602626
2007	54.56237765574823
2008	53.91090699862383
2009	53.44075876763911
2010	53.185834315457825
2011	53.068803400460105
2012	53.11304404323294
2013	53.29040541442615
2014	53.52867449306956
2015	53.85932997702297
2016	54.02553352905334
2017	53.99159348483198
2018	53.91342505088892
2019	53.758140528549625
2020	53.49483552880623
2021	53.15841237385015
2022	52.74187126175723
2023	52.2222992623529