Year	% of working-age population
1960	88.378646231202
1961	89.4849740573705
1962	90.39876447532687
1963	91.18737944489193
1964	91.71305414095164
1965	92.0628110031246
1966	92.39908929671381
1967	92.6535475851429
1968	92.76251751485827
1969	92.768056269189
1970	92.73369830759223
1971	92.67683960899522
1972	92.61337717173912
1973	92.50021469126378
1974	92.29260134323042
1975	92.19619991434996
1976	92.28904092005763
1977	92.18541797310385
1978	91.88117000434785
1979	91.61947064354271
1980	91.37990831628898
1981	90.70837102200603
1982	90.10946655903139
1983	89.97707946254611
1984	89.82113166621554
1985	89.63295886830188
1986	89.41600864111088
1987	89.15131581024009
1988	88.7933918076409
1989	88.25362838868259
1990	87.10393183615392
1991	85.77201511130914
1992	84.71074446376286
1993	83.84958808208887
1994	82.66453036552409
1995	80.86511949619673
1996	78.84883578633381
1997	76.64292859462208
1998	74.34554409645533
1999	72.07137648152222
2000	69.85763011083488
2001	67.74245769831117
2002	65.86828675450248
2003	64.13522203262652
2004	62.467063906003396
2005	60.976316800750176
2006	59.54531879008474
2007	58.19932256694117
2008	57.25645941287325
2009	56.67813202898616
2010	56.30607498563329
2011	56.275836602186516
2012	56.55226567665342
2013	57.04007876177732
2014	57.65795590267357
2015	58.19981704471573
2016	58.49421851077963
2017	58.63489375594615
2018	58.672215744820775
2019	58.548825290056456
2020	58.33059346917395
2021	58.01177570449053
2022	57.55453587134829
2023	57.005448700174746