Year	% of working-age population
1960	87.98447886538509
1961	90.01628227749914
1962	91.81636593118179
1963	93.37734139294223
1964	94.21365640523209
1965	94.48220103260087
1966	94.60130555345819
1967	94.59307820689584
1968	94.37494670820013
1969	93.93336413592934
1970	93.31660829495014
1971	92.54838920290852
1972	91.72392272901718
1973	90.8710866146773
1974	89.91189929652937
1975	88.88592062492533
1976	87.8287793503514
1977	86.70484677491895
1978	85.5775084981303
1979	84.50508443478026
1980	83.48004212428735
1981	82.50616260750068
1982	81.56161727597808
1983	80.64417324885598
1984	79.70908410725602
1985	78.67285450301458
1986	77.55058101433755
1987	76.33006454767954
1988	74.96575389253462
1989	73.48920334898398
1990	71.94041261630584
1991	70.42407280182293
1992	68.94471083677394
1993	67.3919999140144
1994	65.73745880036424
1995	63.947919725091054
1996	62.075604036989105
1997	60.23439667678142
1998	58.48470377074623
1999	56.83949028790276
2000	55.276493292992214
2001	53.778094290273074
2002	52.3470448778365
2003	51.009223238231236
2004	49.71628454278422
2005	48.42841370136621
2006	47.219345312010255
2007	46.14637611702015
2008	45.222166778814774
2009	44.4757047033411
2010	43.89655504531271
2011	43.45196784066918
2012	43.082891505820534
2013	42.7667087390177
2014	42.5216604393331
2015	42.31800925297026
2016	42.087791691344044
2017	41.865318003988556
2018	41.68279473194902
2019	41.47600657934903
2020	41.199593093836455
2021	40.85741048335551
2022	40.46610920243484
2023	40.013970792972245