Year	% of working-age population
1960	50.447132021552285
1961	50.11816694111384
1962	49.64831568406344
1963	49.14245561070498
1964	48.764904638443674
1965	48.561935785400124
1966	48.49180621467545
1967	48.45332297701698
1968	48.574135442132864
1969	48.92155027809658
1970	49.3150422315435
1971	49.64939379548243
1972	49.94074891000023
1973	50.355904129736665
1974	50.98356181017891
1975	51.63677254022466
1976	52.1836636328159
1977	52.625849986348214
1978	52.99663318365848
1979	53.29497864346395
1980	53.37874126944098
1981	53.27498352802614
1982	53.05636191469068
1983	52.6069235727591
1984	52.135602992837434
1985	51.95466872516473
1986	52.07458676412745
1987	52.33476645543398
1988	52.52286200941142
1989	52.55776056831333
1990	52.47822211899552
1991	52.24585746391942
1992	51.88368634945635
1993	51.48953845317587
1994	51.00101149122707
1995	50.43435201715718
1996	49.86987590451569
1997	49.26773747553902
1998	48.68055864426899
1999	48.27681484432479
2000	47.96770569067761
2001	47.573074923192976
2002	47.09546387704671
2003	46.56327808397167
2004	46.067694339144786
2005	45.71662151572096
2006	45.60325846885065
2007	45.74781214228676
2008	46.078850547686436
2009	46.63834269925742
2010	47.456516312414216
2011	48.49162842053021
2012	49.66745291425804
2013	50.90996332727834
2014	52.02951889736405
2015	52.9482745248114
2016	53.775799295996464
2017	54.58049737018942
2018	55.43833268318781
2019	56.279405607119024
2020	56.946840540634746
2021	57.27185521665709
2022	57.167941818832446
2023	56.92224082838475