Year	% of working-age population
1960	76.67046321686303
1961	76.97398327289403
1962	77.44047785972685
1963	78.11270340488358
1964	78.79157005652173
1965	79.29579503054785
1966	79.69070373301267
1967	80.01154941680319
1968	80.25333671956861
1969	80.41739834883832
1970	80.49841300812759
1971	80.49808668518445
1972	80.45463199007654
1973	80.3623813758431
1974	80.2633295159249
1975	80.24138592026844
1976	80.29562126451385
1977	80.4178006684892
1978	80.59101360719826
1979	80.79471085348096
1980	81.0524344725403
1981	81.38799265151835
1982	81.79761046082203
1983	82.23665540222326
1984	82.6737950036968
1985	83.13287704089801
1986	83.62023253596813
1987	84.123875774556
1988	84.62368348887291
1989	85.04791791967901
1990	85.32809533303272
1991	85.38553647260193
1992	85.19671261943638
1993	84.82053945092805
1994	84.27736384662875
1995	83.59947370498786
1996	82.80474954955125
1997	81.88986239405979
1998	80.89957688566847
1999	79.86743308988572
2000	78.79369260203262
2001	77.64519126998024
2002	76.40087907719297
2003	75.10369915115228
2004	73.75008458245543
2005	72.37031649179426
2006	71.08236604764937
2007	69.89310837274165
2008	68.76925704489922
2009	67.72786223567788
2010	66.68456082155508
2011	65.69093400717306
2012	64.78069019344723
2013	63.839924533917426
2014	62.93559916434936
2015	62.09338199110921
2016	61.32240449336015
2017	60.65857109011959
2018	60.056837480936565
2019	59.48412345128931
2020	58.92177262387599
2021	58.347866622033976
2022	57.77618980107664
2023	57.22955498238055