Year	% of working-age population
1960	10.65514107974969
1961	10.929613236346595
1962	11.222334707923965
1963	11.516597162040467
1964	11.773245566378046
1965	11.92471636110818
1966	11.990170909908697
1967	12.020842036595175
1968	11.991165061037059
1969	11.883021893823566
1970	11.70441983994463
1971	11.454035728024488
1972	11.11705419399648
1973	10.712554867312358
1974	10.293778976613552
1975	9.880630644376472
1976	9.48394860722755
1977	9.110236526997696
1978	8.755299980230086
1979	8.410754359627735
1980	8.068884908314216
1981	7.7288800611967785
1982	7.390794482417672
1983	7.075729931782663
1984	6.81106130055911
1985	6.613343691484346
1986	6.473555598625875
1987	6.3816323637923515
1988	6.344176518117065
1989	6.381188603129479
1990	6.491548478618485
1991	6.6597588168892
1992	6.880719715369922
1993	7.124570766742262
1994	7.338407775540165
1995	7.508670357393603
1996	7.639535175476039
1997	7.722123814525393
1998	7.769832512266617
1999	7.811825550663549
2000	7.852034133173494
2001	7.884763026295828
2002	7.917079211668135
2003	7.939923571795349
2004	7.918633159515489
2005	7.827982983927827
2006	7.683646813221283
2007	7.511206901292154
2008	7.323007373828924
2009	7.121885108464919
2010	6.916662862409698
2011	6.728431885227006
2012	6.571242514345455
2013	6.456731678265591
2014	6.397346145157452
2015	6.453909389159638
2016	6.605289517828207
2017	6.781969678577353
2018	6.988976416884546
2019	7.2227380799543
2020	7.446988994176595
2021	7.670561923389633
2022	7.944861992271532
2023	8.255363831387658