Year	% of working-age population
1960	6.928480420727327
1961	6.9467713211529585
1962	6.971089068254437
1963	7.000588061875964
1964	7.032881061436505
1965	7.066261297887133
1966	7.103416994687282
1967	7.143869536942855
1968	7.185824232899166
1969	7.2280606192338
1970	7.27134584060722
1971	7.315257579492236
1972	7.35880555492485
1973	7.3999726634804945
1974	7.437297609760751
1975	7.469835760391113
1976	7.494994665540444
1977	7.510950877855005
1978	7.5169691188697385
1979	7.514997968402687
1980	7.507350980624519
1981	7.49556141389143
1982	7.481632305599518
1983	7.466739848540459
1984	7.451090815601969
1985	7.435351567293511
1986	7.420170262462351
1987	7.406777410224158
1988	7.398192571069828
1989	7.395804247085734
1990	7.4023190748953995
1991	7.420264061724412
1992	7.449038221902941
1993	7.489501306511123
1994	7.542099196182718
1995	7.606006753047338
1996	7.681151670322735
1997	7.767795383392523
1998	7.865591196511783
1999	7.976236565589369
2000	8.101446776260607
2001	8.241901586318292
2002	8.3978739790901
2003	8.56779923833625
2004	8.74824012505179
2005	8.938024960850377
2006	9.13968605220448
2007	9.35229113933842
2008	9.573295424648908
2009	9.80225672523006
2010	10.038198564776952
2011	10.281035333089823
2012	10.530659247339186
2013	10.783734093085911
2014	11.047055399320493
2015	11.322889591602468
2016	11.605924969277554
2017	11.90214243917741
2018	12.217259606070272
2019	12.552274286513343
2020	12.875748647353264
2021	13.172090228752683
2022	13.474009626283735
2023	13.827558669723588