Year	% of working-age population
1960	93.49725378871365
1961	94.06554929069797
1962	94.49667091064683
1963	94.75502697350936
1964	94.7645361669925
1965	94.7092813981451
1966	94.59395519955292
1967	94.26253154773029
1968	93.72153885029766
1969	92.9354357839572
1970	91.95726418534016
1971	91.02055846951262
1972	90.03121450640573
1973	88.8129150680437
1974	87.45177527277112
1975	86.04266090971223
1976	84.65538067062832
1977	83.3017595840303
1978	82.05933071078299
1979	81.04357676377924
1980	80.13564011721103
1981	79.2514924325875
1982	78.42927416780334
1983	77.67164734796982
1984	77.00601704619194
1985	76.44544245402787
1986	76.0418138774133
1987	75.77144574627387
1988	75.5833276255407
1989	75.41828941929026
1990	75.16404801206416
1991	74.83149946409002
1992	74.4193153127494
1993	73.87704094742006
1994	73.19627313728682
1995	72.39640301664241
1996	71.48478921041577
1997	70.42375669128862
1998	69.28876310250232
1999	68.15805208408362
2000	67.06806345039134
2001	66.11205039256589
2002	65.22494127052255
2003	64.34952659555205
2004	63.52047213882527
2005	62.71609875421305
2006	61.922399655320454
2007	61.17535866249953
2008	60.54809035803515
2009	60.03145602304531
2010	59.59976515396065
2011	59.273514176420036
2012	59.02713197955239
2013	58.83561391034752
2014	58.68913282545987
2015	58.5451289227553
2016	58.382101450251135
2017	58.196236705899274
2018	57.96526057858647
2019	57.68804409134547
2020	57.33737151436931
2021	56.88117399082084
2022	56.40429485135889
2023	55.9134075697643