Year	% of working-age population
1960	74.99218339482641
1961	75.8673017960654
1962	76.72134056771952
1963	77.5760311006272
1964	78.20220957247764
1965	78.50864450915037
1966	78.68536725856912
1967	78.75093108570437
1968	78.7214310001036
1969	78.62289076370361
1970	78.44931100654867
1971	78.27155361331327
1972	78.05825648828004
1973	77.784952457663
1974	77.48847295011927
1975	77.13049389154995
1976	76.75846583457877
1977	76.3640666809148
1978	75.94168289487192
1979	75.56752669942927
1980	75.22234111655995
1981	74.92318581825533
1982	74.68218743978478
1983	74.45810768566463
1984	74.2527104674012
1985	74.01758360497297
1986	73.72224474673979
1987	73.36111182071876
1988	72.90936601790344
1989	72.40216300347855
1990	71.88576703372438
1991	71.29925501467712
1992	70.7139816650467
1993	70.0819286218944
1994	69.35414844696946
1995	68.53591211305795
1996	67.61745210093282
1997	66.64283155508602
1998	65.62263304870852
1999	64.5871401161164
2000	63.58111944059192
2001	62.61732756498471
2002	61.71063055742512
2003	60.830904099743435
2004	59.94183710964567
2005	59.060652575424584
2006	58.19391757705291
2007	57.33677455290343
2008	56.51777887322255
2009	55.73105627155983
2010	54.95908860305416
2011	54.22191031675222
2012	53.525862189203124
2013	52.85035502212258
2014	52.173379969762046
2015	51.497189490276085
2016	50.803723257524915
2017	50.08266629794964
2018	49.377389825756
2019	48.695678186720784
2020	48.01114247869995
2021	47.36434918936326
2022	46.75527198592888
2023	46.127883765942705