Year	% of working-age population
1960	74.95021298214893
1961	75.14425244500795
1962	75.35238435449268
1963	75.69329725657016
1964	76.21983794767294
1965	77.0095277055021
1966	77.97555965107658
1967	78.93114270874652
1968	79.86814961225727
1969	80.78631544272437
1970	81.67440956259942
1971	82.52536577038363
1972	83.34854123443442
1973	84.1488653640242
1974	84.9359415324503
1975	85.70007522842577
1976	86.4341472754599
1977	87.15461782561793
1978	87.86751463262881
1979	88.57282584303651
1980	89.26318536064485
1981	89.92549165397912
1982	90.55342358365455
1983	91.0750079599754
1984	91.56951377095001
1985	92.07862206908885
1986	92.56910812623592
1987	93.01807601638133
1988	93.45861550317294
1989	93.89849288761826
1990	94.42225726298805
1991	95.0746307463446
1992	95.78754210605618
1993	96.51769117470113
1994	97.39494763783458
1995	98.39981451712625
1996	99.48064811582789
1997	100.59479963177147
1998	101.7005196770274
1999	102.73100493713683
2000	103.58632038781957
2001	104.21478774641875
2002	104.55554794604531
2003	104.64298441735953
2004	104.48023968302668
2005	103.18264032645017
2006	101.5757799772727
2007	103.53444407634692
2008	104.39099016656048
2009	102.01532069119628
2010	100.5986861436427
2011	97.77682319129835
2012	94.53312274526459
2013	92.38804617585498
2014	90.0159003100492
2015	88.39820202603212
2016	87.40577403330379
2017	85.97040749645679
2018	84.53984409231214
2019	83.11242057216262
2020	81.46499687055183
2021	80.16138519251913
2022	79.17505935864322
2023	78.2419968218498