Year	% of working-age population
1960	85.03683704671356
1961	84.55298433947996
1962	84.14158428932262
1963	83.95107153925933
1964	84.04286154707972
1965	84.28843012491758
1966	84.5980504465626
1967	84.93077999759528
1968	85.27975075260045
1969	85.70015383724015
1970	86.20049583284015
1971	86.86958659530366
1972	87.61942836661612
1973	88.26744360847198
1974	88.85056087529205
1975	89.40102755826004
1976	89.95698005304497
1977	90.46357630454179
1978	90.12028648411852
1979	89.31649555935675
1980	89.14729747195139
1981	89.35140596840237
1982	89.56054054330012
1983	89.75356520964323
1984	89.7308494555085
1985	89.74763237862918
1986	89.96562908839812
1987	90.14288715213013
1988	90.30677461188614
1989	90.47443794523457
1990	90.48980714646522
1991	90.57546188330697
1992	91.11921877269342
1993	91.43141651439456
1994	89.80877143448286
1995	89.23553432585051
1996	91.63541242845876
1997	94.24784159063586
1998	95.5561016131927
1999	96.02689232841269
2000	96.36360133408115
2001	96.44931908578911
2002	96.44644303597137
2003	96.61774236832608
2004	96.7493978867594
2005	96.73061583962938
2006	96.70506317769203
2007	96.72844218686595
2008	96.88159358600244
2009	97.13158174258352
2010	97.14628508927345
2011	96.94534244471402
2012	96.98607261135568
2013	97.12530424803025
2014	97.22797683998324
2015	97.34418616857369
2016	97.30431459355738
2017	97.29973443990436
2018	97.5312650523214
2019	97.85242915555308
2020	97.99879191799235
2021	97.97042677135617
2022	97.8549361742851
2023	97.6096039417879