Year	% of working-age population
1960	14.007000536363456
1961	14.016227945385799
1962	14.013401638510864
1963	13.996339979706818
1964	13.951203153875516
1965	13.887226173509626
1966	13.806893977695662
1967	13.711422026289636
1968	13.593255778087117
1969	13.478953450842798
1970	13.402968911863667
1971	13.373070828603776
1972	13.421008468566335
1973	13.5166515424675
1974	13.610984980328569
1975	13.75222989663073
1976	13.93879648178662
1977	14.11845313378437
1978	14.318694265925066
1979	14.548457581883767
1980	14.767572369108581
1981	14.940624882310319
1982	15.069778453736257
1983	15.181536200141652
1984	15.316161384758894
1985	15.500960739281124
1986	15.737197008548092
1987	15.967847639487353
1988	16.16994546187529
1989	16.353393303478974
1990	16.569856114868422
1991	16.853585289489665
1992	17.146173219389926
1993	17.424601673633475
1994	17.66277672796365
1995	17.854203413681617
1996	18.022563447340506
1997	18.16742258653726
1998	18.29517203389216
1999	18.392083277771746
2000	18.489697879084858
2001	18.617181147996114
2002	18.740598579954458
2003	18.86867851510932
2004	19.01235954628783
2005	19.159304813826004
2006	19.302662439200187
2007	19.43432870155523
2008	19.56644545374679
2009	19.782879771499278
2010	20.134644451463913
2011	20.593609915958236
2012	21.102021724456257
2013	21.599113430242618
2014	22.077580276023625
2015	22.553776833848854
2016	23.016383880103202
2017	23.456958755233543
2018	23.90324884923438
2019	24.364641007372597
2020	24.888730420977378
2021	25.46847328990261
2022	26.03610742851445
2023	26.602363693707304