Year	% of working-age population
1960	72.11631851525281
1961	73.01520147448169
1962	73.90393645434712
1963	74.76736746353329
1964	75.27230973835027
1965	75.34190187939352
1966	75.26230830023654
1967	75.07864251949243
1968	74.83484851361317
1969	74.54181414736668
1970	74.17478579661257
1971	73.80173217022548
1972	73.42577225290174
1973	73.03899949868917
1974	72.67931738594152
1975	72.29683104641032
1976	71.89391892584864
1977	71.43782595848856
1978	70.90636364369041
1979	70.39253750696928
1980	69.94232270707924
1981	69.55793861082147
1982	69.18385733368636
1983	68.78282950126169
1984	68.39437684822146
1985	68.01292941792303
1986	67.62315215115713
1987	67.1933698488593
1988	66.68554180478114
1989	66.1179584630469
1990	65.51317234076652
1991	64.90030591578079
1992	64.29927546249252
1993	63.693802331608616
1994	63.0383007089432
1995	62.31391678455008
1996	61.51824496168926
1997	60.67481417296767
1998	59.804229278066614
1999	58.89262533908431
2000	57.97524809137007
2001	57.06297187305556
2002	56.15051031728755
2003	55.232739721244386
2004	54.289075618211726
2005	53.33778725298907
2006	52.36097440445483
2007	51.359057346320455
2008	50.37336115965702
2009	49.4081092778569
2010	48.43802287257807
2011	47.46379340184884
2012	46.49355390548396
2013	45.52494807088077
2014	44.55034164168536
2015	43.56649901113997
2016	42.57419366450101
2017	41.582265266268635
2018	40.63664008873174
2019	39.731757417492055
2020	38.84876730773584
2021	38.050084584083095
2022	37.32645839246456
2023	36.60329997125194