Year	% of working-age population
1960	74.89185669071351
1961	75.26793513097022
1962	75.90567506229684
1963	77.18718825363926
1964	79.05721195160832
1965	80.83986187479088
1966	82.41843064387113
1967	83.98434984714731
1968	85.53777995068702
1969	87.08352499517754
1970	88.62238783775508
1971	90.15303070631097
1972	91.70603011549419
1973	93.28294395671169
1974	94.10223747748132
1975	94.19205338620175
1976	94.13896279027801
1977	93.89438141357437
1978	93.65572033665941
1979	93.58581213368186
1980	93.79015494622408
1981	94.16242614792021
1982	94.58532819077301
1983	95.08495226650643
1984	95.68161743056237
1985	95.21362521454576
1986	93.33283750039598
1987	90.85642301273155
1988	87.97850978508596
1989	84.88988515289884
1990	81.72781492861016
1991	78.5647785986769
1992	75.42604672639122
1993	72.369135277511
1994	70.61337483107415
1995	69.78536841565895
1996	68.55689320570468
1997	67.02042751650583
1998	65.2835528286168
1999	63.45629098286418
2000	61.591980107138234
2001	59.707551865389206
2002	57.83877304230033
2003	55.97356196529384
2004	53.53627973928009
2005	50.59776413194213
2006	47.80555567069095
2007	45.32048207665198
2008	43.2355273592387
2009	41.60826990779005
2010	38.146218490701145
2011	33.89487683079665
2012	30.89833084803003
2013	29.38627930437757
2014	29.3996386284832
2015	29.61065642028765
2016	29.421664164747458
2017	29.7454396037091
2018	30.913205823886532
2019	32.87491427620954
2020	35.814794765457876
2021	38.00363985245879
2022	38.4919009692446
2023	38.4703115457162