Year	% of working-age population
1960	83.91650299380838
1961	89.22926172173722
1962	93.5187480790427
1963	96.56375669320754
1964	98.6529590866864
1965	99.86657066511945
1966	100.4317574597574
1967	100.40620413147012
1968	99.72993971976857
1969	98.45175258612817
1970	96.61432792154967
1971	94.28260203610682
1972	91.498339669312
1973	88.32439684717204
1974	84.89414718355457
1975	81.31641146391742
1976	77.44722778993636
1977	73.60482275831404
1978	70.29236493284932
1979	67.7190834498644
1980	65.72381252135268
1981	63.96619090640401
1982	62.692513695364724
1983	61.78398664614668
1984	61.229600353495684
1985	61.01115127850099
1986	61.02650921175903
1987	61.3459249496861
1988	61.868207817742885
1989	62.87528488300636
1990	63.82433135288393
1991	64.30317301463167
1992	64.74293068591913
1993	65.1277686625221
1994	65.08220807327416
1995	64.49958933165627
1996	63.54385610837251
1997	62.30105657972304
1998	60.83297374741642
1999	59.22504054551899
2000	57.51160749494358
2001	55.69708478745885
2002	53.88894883538398
2003	52.11434337336155
2004	50.34216798212654
2005	48.573574357782256
2006	46.87764157911966
2007	45.301257207451506
2008	43.85081038987815
2009	42.65286658020886
2010	41.805407640359334
2011	41.34518487655481
2012	41.306470697683466
2013	41.59165798960256
2014	42.07093475950426
2015	42.65134974394182
2016	43.2504653013911
2017	43.69613691422401
2018	43.96187615921683
2019	44.20588232332365
2020	44.29102319879628
2021	44.17852409489053
2022	44.06711740218378
2023	43.961774783674166