Year	% of working-age population
1960	88.50158027269025
1961	88.44049110927781
1962	88.83053816016997
1963	88.70457664538456
1964	87.81704617330803
1965	86.48959290612753
1966	84.8269398571567
1967	82.9456915138916
1968	80.92762829188882
1969	78.76016445449243
1970	76.41195130752016
1971	73.89220166723273
1972	71.26495790708255
1973	68.68452136140866
1974	66.25480316138031
1975	63.97459026418787
1976	61.82143301463393
1977	59.76517305175759
1978	57.81685972774161
1979	56.033043972953436
1980	54.4547676934997
1981	53.086238364367134
1982	51.88489600435684
1983	50.82386421897357
1984	49.948516130835806
1985	49.2493851632175
1986	48.639251360596866
1987	48.02821787903319
1988	47.34748740244235
1989	46.666882450043694
1990	46.03552572328758
1991	45.2979687086873
1992	44.441385347395766
1993	43.50606367167497
1994	42.46560814908075
1995	41.36633692519986
1996	40.3204546351474
1997	39.414864290814435
1998	38.615190423710395
1999	38.00883300958973
2000	37.57395828054646
2001	37.189916715329986
2002	36.86111755327739
2003	36.49307181172755
2004	36.03252925066974
2005	35.43489750529411
2006	34.67908138577134
2007	33.80167638272572
2008	32.86445159806852
2009	31.95115604363497
2010	31.10756446074845
2011	30.322487424706274
2012	29.593757017740852
2013	28.939397328918815
2014	28.221192770842485
2015	27.42427512610614
2016	26.677211179999954
2017	25.968808024093605
2018	25.270370300495294
2019	24.573851662222538
2020	23.922511120801474
2021	23.41085133499933
2022	23.001505936607668
2023	22.652324199883548