Year	% of working-age population
1960	89.89542998910245
1961	92.14853138409454
1962	94.38760872191351
1963	96.6315962089618
1964	98.26994566771519
1965	99.78399371618083
1966	101.83208335614313
1967	103.928078063223
1968	105.98444947919732
1969	107.90043329952982
1970	109.47611001284785
1971	109.98181311986347
1972	108.66547648703258
1973	106.13010367565492
1974	103.50442014035966
1975	101.19177929504968
1976	99.20926761969692
1977	97.50342679285005
1978	95.97773012756205
1979	94.58502693698561
1980	93.3719540112937
1981	92.48832154576604
1982	92.16089254257194
1983	92.1130223418423
1984	91.98626617461578
1985	91.80222450631524
1986	91.57288055085859
1987	91.21696333016412
1988	90.58471297098244
1989	89.60398717420898
1990	88.29714338693859
1991	86.71751290937881
1992	84.83854238044182
1993	82.76539085603791
1994	80.66152645249521
1995	78.48020990955592
1996	76.16755832184016
1997	73.82845037460972
1998	71.62008432382405
1999	69.58941923504153
2000	67.71560122017688
2001	65.99189258404165
2002	64.3604552676879
2003	62.83410857855127
2004	61.4865780819778
2005	60.341093523214916
2006	59.37191307562468
2007	58.4887270051631
2008	57.636754140218315
2009	56.847288459699016
2010	56.20056168251829
2011	55.76380007220059
2012	55.511335622403756
2013	55.30262544158112
2014	55.05153646015957
2015	54.725676456250596
2016	54.29984941831808
2017	53.82325470479521
2018	53.36892854945717
2019	52.932944783798554
2020	52.41860713350404
2021	51.84023229027035
2022	51.147750811599714
2023	50.323380746160865