Year	% of working-age population
1960	14.955426669589192
1961	14.836928403638739
1962	14.66846122675135
1963	14.49601822550695
1964	14.344228295121301
1965	14.247864793973616
1966	14.204632855125315
1967	14.223939690545365
1968	14.288417981543589
1969	14.334783980047074
1970	14.36749361963271
1971	14.401043637197642
1972	14.425478815485565
1973	14.416396810425175
1974	14.397387857523661
1975	14.438390011388325
1976	14.562397050749079
1977	14.751190510100237
1978	15.005374712620032
1979	15.2648700911802
1980	15.463846615923824
1981	15.627729987660647
1982	15.709639942009412
1983	15.686935113841379
1984	15.696387717752062
1985	15.81379454297524
1986	15.991902261388741
1987	16.16768139938129
1988	16.368220224756573
1989	16.60423140581169
1990	16.824566328373386
1991	17.028829318110194
1992	17.224882653822952
1993	17.392266552965474
1994	17.509167340844456
1995	17.557812064511566
1996	17.55590746356504
1997	17.570822865399705
1998	17.654509585391008
1999	17.74647640578459
2000	17.864628872790863
2001	17.948798508262794
2002	17.880582525765504
2003	17.79271032031731
2004	17.82092367361285
2005	18.01148239143471
2006	18.31187251299376
2007	18.616491969981197
2008	18.887774453319874
2009	19.1878445468426
2010	19.574612632970457
2011	20.10701093103452
2012	20.797102575124338
2013	21.486594489982178
2014	21.951939388769972
2015	22.231849658137598
2016	22.480185845341786
2017	22.723570753809007
2018	22.996476536089528
2019	23.340223996699358
2020	23.83716805646572
2021	24.436929872454716
2022	25.094721686635403
2023	25.83203320061484