Year	% of working-age population
1960	72.7553332839266
1961	73.56812582492235
1962	74.39924632360842
1963	75.24022078920946
1964	75.83831400557425
1965	76.09909534690934
1966	76.22305644027018
1967	76.24559218644266
1968	76.1979328246045
1969	76.09487610679655
1970	75.90019129058518
1971	75.70056845165331
1972	75.49997305186555
1973	75.2485947497094
1974	74.98636836278394
1975	74.65573378313768
1976	74.27583831554776
1977	73.8621382899719
1978	73.4024097002336
1979	72.9532099504716
1980	72.51509462165879
1981	72.10682370621888
1982	71.7461019226717
1983	71.41739877588437
1984	71.1385532584759
1985	70.84335692783488
1986	70.49625268458988
1987	70.0987219104805
1988	69.63602735413134
1989	69.14130720293471
1990	68.60876833895878
1991	68.04391233005981
1992	67.5346454281887
1993	67.01478479081715
1994	66.3887775147818
1995	65.66793830639571
1996	64.84685226328132
1997	63.97064016533939
1998	63.06497053224636
1999	62.12710418773298
2000	61.15490286633089
2001	60.19178311328628
2002	59.307994685535135
2003	58.444131139735156
2004	57.52095155734889
2005	56.57099233507845
2006	55.61235630632465
2007	54.664873113719295
2008	53.73275460118509
2009	52.78592481324159
2010	51.81797559159099
2011	50.8433792693618
2012	49.88543181063793
2013	48.94757299850304
2014	48.003223869990315
2015	47.0560900152792
2016	46.10228241309769
2017	45.13125326336008
2018	44.19402959658124
2019	43.3019177992612
2020	42.4274389881419
2021	41.62625254405836
2022	40.897569941504685
2023	40.176723787102155
