Year	% of working-age population
1960	7.7726253821236035
1961	7.91157068684886
1962	8.034551613187993
1963	8.165120133009335
1964	8.304257709406604
1965	8.436771930194892
1966	8.55583937766406
1967	8.676609679017865
1968	8.76777378544397
1969	8.80980064255623
1970	8.837151267551082
1971	8.873103131807326
1972	8.915809919505655
1973	8.959212153064396
1974	8.994601406960003
1975	8.997999308201507
1976	8.926794835224179
1977	8.81042597265374
1978	8.704969084599675
1979	8.612706985893844
1980	8.51104899707155
1981	8.40484052283005
1982	8.310483493160092
1983	8.186086147693276
1984	8.07878343084267
1985	8.020357029553137
1986	7.977218625406398
1987	7.949296611147975
1988	7.933461131823294
1989	7.930073587692685
1990	7.939258682479706
1991	7.95962468086186
1992	7.991243559515915
1993	8.028952702809207
1994	8.068389743702136
1995	8.115928055258516
1996	8.172207983107102
1997	8.234668353869349
1998	8.303118732926086
1999	8.374236537150477
2000	8.450323730744454
2001	8.533770848317857
2002	8.626417890691869
2003	8.723219587450998
2004	8.820112745515628
2005	8.923804607247131
2006	9.034719438051875
2007	9.154300150316292
2008	9.277410744573379
2009	9.39088323539198
2010	9.504909371754923
2011	9.633404960762133
2012	9.779005602087315
2013	9.954150645689149
2014	10.154613646167423
2015	10.374412909247166
2016	10.577593845116969
2017	10.742273911621798
2018	11.139639096670356
2019	11.667195880367649
2020	12.013616883645367
2021	12.296230007820036
2022	12.674967516719462
2023	13.124376024832332