Year	% of working-age population
1960	78.86866430354354
1961	79.825450698638
1962	80.79695463948305
1963	81.80241202709401
1964	82.77317226827732
1965	84.09799034117464
1966	85.62335026348138
1967	86.57255661501789
1968	86.85313923728968
1969	86.57222295776512
1970	85.84005554936437
1971	83.93305576232505
1972	80.64297103273599
1973	76.86263693519756
1974	73.10994929252244
1975	69.57181604851735
1976	66.39744638313341
1977	63.655389649366036
1978	61.32242944051062
1979	59.345429943338246
1980	57.656837223352554
1981	56.393271933091796
1982	55.46286405893988
1983	54.62514147445654
1984	53.89407749146694
1985	53.296406084341264
1986	52.846337993963154
1987	52.57221724658798
1988	52.4981056636626
1989	52.60903851608499
1990	52.816801518631294
1991	52.965839416058394
1992	52.75496293291872
1993	52.069286180991035
1994	51.08009487319832
1995	49.90433449868272
1996	48.571504165945086
1997	47.090450543664026
1998	45.576706732849466
1999	44.16121283296856
2000	42.88417584680325
2001	41.69795291444579
2002	40.48150743475817
2003	38.71347978881463
2004	36.17751897360856
2005	33.620919831786935
2006	31.49204501358168
2007	29.73713976747715
2008	28.244856999498243
2009	26.85557369879632
2010	26.416712966215165
2011	26.604112311624068
2012	25.955632404415724
2013	25.603011975089203
2014	26.243925497975663
2015	26.502539375362378
2016	26.21273570483989
2017	25.883632602208483
2018	25.791524873637066
2019	26.068284303199484
2020	26.53323566205028
2021	26.764831550638934
2022	26.54128704188271
2023	26.130768856469217