Year	% of working-age population
1960	11.013784205880356
1961	11.078942938899175
1962	11.163863719950516
1963	11.289036544850498
1964	11.453206038782994
1965	11.65603839326803
1966	11.89797989719412
1967	12.162250358960971
1968	12.448780487804878
1969	12.751417004048582
1970	12.871635677024996
1971	12.755165936130245
1972	12.59818454109233
1973	12.508582858166402
1974	12.495987393118744
1975	12.531779358414031
1976	12.61238551382237
1977	12.711118446388292
1978	12.841877451643446
1979	13.040815783167817
1980	13.288766548695765
1981	13.517902714407237
1982	13.684477082805774
1983	13.843583221108286
1984	14.008232887179867
1985	14.191039812188203
1986	14.398090645624803
1987	14.582522382249902
1988	14.805872597795336
1989	15.13141734217637
1990	15.583640163200318
1991	15.831577891463535
1992	15.667166416791604
1993	15.473618870266915
1994	15.379674917247172
1995	15.386885729745684
1996	15.474352376050781
1997	15.594918152944052
1998	15.794219427791587
1999	16.053438458169076
2000	16.39132867813435
2001	16.607302948801824
2002	16.573154941735
2003	16.48536556464036
2004	16.43996247654784
2005	16.424806705519053
2006	16.484957217775325
2007	16.600952663126467
2008	16.732941708088568
2009	16.913726985266084
2010	17.13979885377874
2011	16.943903733852416
2012	16.26744109876193
2013	15.977716601998571
2014	14.846901940799254
2015	13.828284087603373
2016	13.745853166017596
2017	13.356401384083044
2018	13.130886259357643
2019	12.994238029008542
2020	12.97394994302778
2021	13.156663156663157
2022	13.442133043545759
2023	13.870998936273088