Year	% of working-age population
1960	85.9646133947743
1961	90.70402121690945
1962	95.17996368592993
1963	99.15638371302249
1964	102.3475738978465
1965	104.02538430119257
1966	104.36680925370973
1967	104.21528763834667
1968	103.53397558517645
1969	102.49464699753528
1970	101.3872348373517
1971	100.193847910147
1972	98.73722408431304
1973	96.97950082523563
1974	94.96715321612417
1975	92.72574870432831
1976	90.37697507138107
1977	88.02832478284482
1978	85.85575517880979
1979	84.06089815251865
1980	82.59672727755715
1981	81.36586947277732
1982	80.33382077803157
1983	79.54920242136478
1984	79.03676873505111
1985	78.71373253768698
1986	78.5228205630103
1987	78.36619822078578
1988	78.13981409865477
1989	77.9828337769719
1990	78.08305529743691
1991	78.27222299886844
1992	78.38030443163095
1993	78.41369877649768
1994	78.23818282918805
1995	77.80445473337173
1996	77.12372876069139
1997	76.09959378116268
1998	74.66882932304082
1999	72.8840913192757
2000	70.85300565760323
2001	68.626829285097
2002	66.34663574570298
2003	64.12921321086212
2004	61.963893262583845
2005	59.760735601507996
2006	57.537895303353636
2007	55.520446209623245
2008	53.81561055943479
2009	52.37065280448614
2010	51.08974638045888
2011	49.97553518695442
2012	49.1358216635202
2013	48.68334772321749
2014	48.627951730961364
2015	48.93402790103467
2016	49.4627246828647
2017	50.062409015809365
2018	50.87599464729708
2019	51.90894352547579
2020	52.99320908150488
2021	53.97119990432336
2022	54.67392219292011
2023	55.083706362736415