Year	% of working-age population
1960	7.822974496439722
1961	8.220017315202771
1962	8.576346993734289
1963	8.934893630353729
1964	9.356735630535336
1965	9.833648291371347
1966	10.35790272191899
1967	10.94063689178316
1968	11.517387550043175
1969	11.99949952745561
1970	12.358318098720293
1971	12.649448978610492
1972	12.848601197977274
1973	12.936052001023906
1974	13.014190140917265
1975	13.107306292563988
1976	13.234940430449397
1977	13.4253655883502
1978	13.615417824160971
1979	13.728695719259704
1980	13.73791972616551
1981	13.658213610371073
1982	13.521561904632067
1983	13.331383766198163
1984	13.122308232495646
1985	12.951589437319383
1986	12.820821409089985
1987	12.721583460025728
1988	12.632771755454222
1989	12.53829058128375
1990	12.424088863514488
1991	12.265968191962257
1992	12.010508451000117
1993	11.680977743718373
1994	11.358918271240281
1995	11.049909077252439
1996	10.763948416742824
1997	10.506653671801763
1998	10.253454040033764
1999	9.983507668613232
2000	9.699194067123235
2001	9.41279639063449
2002	9.13598898588512
2003	8.889278980638334
2004	8.697736624786383
2005	8.57630081858402
2006	8.510773682726107
2007	8.484231563550207
2008	8.49189695769569
2009	8.533044960654484
2010	8.602684235367475
2011	8.693586723694443
2012	8.785446165642233
2013	8.853992128745665
2014	8.871743935249127
2015	8.915895465448594
2016	9.041472776745715
2017	9.1801102536937
2018	9.334173043318081
2019	9.534187814142502
2020	9.764484551565
2021	9.985700830132695
2022	10.244456723921893
2023	10.645005768873743