Year	% of working-age population
1960	48.33785589726038
1961	49.85039493429681
1962	51.20970776278019
1963	52.43400023964468
1964	53.606628513107815
1965	54.66550346058424
1966	55.696752333409215
1967	56.72720977455706
1968	57.56318661857884
1969	58.173026079977895
1970	58.617679297337375
1971	58.8606318626353
1972	58.85722457866981
1973	58.57427788051525
1974	58.05290306907004
1975	57.284090556277725
1976	56.287983208822126
1977	55.27684152643458
1978	54.23803210683412
1979	53.06986022969702
1980	51.65982383468209
1981	49.840088592425694
1982	47.8461926626595
1983	45.96940792829918
1984	44.608200716155146
1985	44.03938072958898
1986	43.928132634622834
1987	44.0103394497767
1988	44.263784047628235
1989	44.59760564955216
1990	45.01678318563229
1991	45.41908389965441
1992	45.71204668823462
1993	46.00458607356068
1994	46.26454523456619
1995	46.42053745471328
1996	46.46962160354373
1997	46.45227369775697
1998	46.430769367505775
1999	46.63789940848483
2000	47.14556619576534
2001	47.70020615272807
2002	48.196261925871156
2003	48.69708006176823
2004	49.36337041593683
2005	50.138754158929075
2006	50.869807958525605
2007	51.32467538487543
2008	51.54632344457982
2009	51.759548644615116
2010	51.63419608172393
2011	51.27708319706144
2012	51.11023125387554
2013	51.13717854636194
2014	51.41219673412591
2015	51.872145899691844
2016	52.451348073065276
2017	53.14417926693488
2018	53.89532580653904
2019	54.72518219455761
2020	55.55797045738914
2021	56.356395723466015
2022	57.16203587345361
2023	58.06693479822225