Year	% of working-age population
1960	96.62711669162539
1961	98.92719115099284
1962	100.6607646907878
1963	101.46573460978661
1964	101.26347082868823
1965	100.10592039246293
1966	98.18879481808742
1967	95.76121688190653
1968	93.10252618995186
1969	90.48270936253795
1970	88.10376932626114
1971	86.32277656100936
1972	85.21851065199202
1973	84.0081471423281
1974	82.15234250504622
1975	79.82991664789367
1976	77.31086118182893
1977	74.83291647874042
1978	72.6156649879485
1979	70.82676130389063
1980	69.51137009408178
1981	68.61312600443034
1982	67.89683336680726
1983	67.12867140751717
1984	66.31881498008956
1985	65.51513435371615
1986	64.75728920974714
1987	64.10794540596889
1988	63.58812877799377
1989	63.169770566416176
1990	62.79296692915344
1991	62.70544682800951
1992	63.15517079138044
1993	63.66108125197597
1994	63.766457425264925
1995	63.46956844912771
1996	62.72479911568386
1997	61.51180598885148
1998	59.92916481419501
1999	58.155976923114125
2000	56.321419375980156
2001	54.46979038224414
2002	52.64041118457179
2003	50.882164926486254
2004	49.23140615620278
2005	47.71846576490207
2006	46.33942415261722
2007	45.05915380755958
2008	43.85015336275903
2009	42.704471500127966
2010	41.636179625000445
2011	40.84534216397491
2012	40.362855624055065
2013	40.02149462464332
2014	39.73646083468602
2015	39.45678178948309
2016	39.23374602884075
2017	39.08675385798977
2018	39.0134988492207
2019	39.02458376443257
2020	39.09225164290865
2021	39.19254677796912
2022	39.327383759898716
2023	39.49353431667206