Year	% of working-age population
1960	7.698487465606033
1961	7.659214145589758
1962	7.642133966479868
1963	7.640426014605165
1964	7.626357828279021
1965	7.590770147627909
1966	7.548347453321785
1967	7.502435516903483
1968	7.45537390735322
1969	7.415006875950566
1970	7.389181486395333
1971	7.381072856711151
1972	7.387956393839764
1973	7.402346663484365
1974	7.417566046619761
1975	7.4303924580405845
1976	7.433598017315876
1977	7.414877736707422
1978	7.368200314391913
1979	7.2908711247941005
1980	7.180784195407718
1981	7.037962508297466
1982	6.863082732197243
1983	6.662717282823916
1984	6.447921475621053
1985	6.226826502680232
1986	6.001443780843821
1987	5.772348207754206
1988	5.543577776301615
1989	5.326771353270679
1990	5.135148313247138
1991	4.967718639223672
1992	4.819386329229331
1993	4.689112394038757
1994	4.571685464249155
1995	4.465318030063399
1996	4.369013572495162
1997	4.281080139139293
1998	4.200963008751668
1999	4.1264849332638205
2000	4.054959221351514
2001	3.9878488695685075
2002	3.930278253399698
2003	3.887933499874053
2004	3.857041066595506
2005	3.831321526588718
2006	3.8181689727170816
2007	3.8203593338026502
2008	3.8321268872661842
2009	3.853738027902478
2010	3.886147189543671
2011	3.9390678700399433
2012	4.01800184301848
2013	4.110804444894008
2014	4.25601701382079
2015	4.428930350635809
2016	4.569033198161149
2017	4.708053364058045
2018	4.8427691833602475
2019	4.958760997425517
2020	5.026857958537065
2021	5.0674314946844
2022	5.088056154887894
2023	5.0852226383322074