Year	% of working-age population
1960	9.922626897621816
1961	9.621083095797449
1962	9.353240991181009
1963	9.079638102943932
1964	8.81916521201002
1965	8.579974918706073
1966	8.347527046772836
1967	8.12487368434632
1968	7.915067852780197
1969	7.720626068930474
1970	7.543906311392201
1971	7.378422673443646
1972	7.2223940991420115
1973	7.080427378723478
1974	6.950734693795617
1975	6.83305084369745
1976	6.7240778631641716
1977	6.617381120283612
1978	6.5217020354001844
1979	6.437670891087476
1980	6.352435718828375
1981	6.253459723276452
1982	6.1344853756072935
1983	6.031240847859547
1984	5.964106298308964
1985	5.913647700474559
1986	5.87947775521496
1987	5.862469423080956
1988	5.857614469691434
1989	5.862969599165219
1990	5.874182460826588
1991	5.890558588166163
1992	5.910485712831866
1993	5.930219359232669
1994	5.949976262120835
1995	5.9687243535025996
1996	5.983978473532051
1997	5.993684789552351
1998	5.993806899641154
1999	5.98444973020713
2000	5.969186881358624
2001	5.954506993540988
2002	5.941024874130306
2003	5.928195473858894
2004	5.909188901623311
2005	5.884197452477624
2006	5.7685434193261536
2007	5.57589547256261
2008	5.545662907134258
2009	5.620991923966452
2010	5.660365001860143
2011	5.735733142893937
2012	5.933303634122758
2013	6.422074193427251
2014	7.073702850299752
2015	7.543279671439324
2016	7.736969180949506
2017	7.82119114301757
2018	7.775328353398522
2019	7.577580693913166
2020	7.4634199292259655
2021	7.414422360711841
2022	7.323814562192165
2023	7.1936342342336435