Year	% of working-age population
1960	51.632851584213455
1961	51.03067907618063
1962	51.12756418964815
1963	51.46843853820599
1964	51.45637366201752
1965	51.58815697711279
1966	51.8424317617866
1967	52.04880713895466
1968	52.05129727483227
1969	52.033937703393775
1970	52.32332458043155
1971	52.93220338983051
1972	53.517249129115626
1973	53.86075596002456
1974	54.03681934124431
1975	53.91218223836249
1976	53.6946081641563
1977	53.63803947083062
1978	53.516572352465644
1979	53.1848838454127
1980	52.73481103492266
1981	52.23983095615425
1982	52.26841105718506
1983	52.84178187403994
1984	53.32871751171708
1985	53.558614041664434
1986	53.47547515210251
1987	53.08100498158977
1988	52.58855585831063
1989	51.78160289441948
1990	50.5981586636529
1991	49.57601285817215
1992	49.428793256433
1993	50.11901466924993
1994	50.912711583139725
1995	51.42241617411478
1996	51.551904735652464
1997	51.631002805434846
1998	51.8628420705572
1999	52.06171416021523
2000	52.055470291602724
2001	51.58856017936239
2002	51.30736682217641
2003	51.57731240961919
2004	51.8722233975037
2005	52.1500887172529
2006	51.834556370913944
2007	50.92830188679245
2008	50.202589188655
2009	50.07304246201792
2010	50.91233828924503
2011	51.9629931451033
2012	52.518258560182105
2013	53.12042330042046
2014	54.119770147694354
2015	55.28602807754751
2016	56.3820591625048
2017	57.37594130140954
2018	58.2089552238806
2019	58.87328051329413
2020	59.42389238192718
2021	60.08232469250747
2022	60.95444685466378
2023	61.813771595465575