Year	% of working-age population
1960	4.789111988688664
1961	4.888500925858764
1962	4.980153190266491
1963	5.069860311362766
1964	5.1697635605661745
1965	5.266686606043784
1966	5.3533425596484285
1967	5.443214487599521
1968	5.533434912603496
1969	5.615578834046937
1970	5.687625124867232
1971	5.751845111378243
1972	5.806767933408902
1973	5.854571491998558
1974	5.90396682778098
1975	5.964728276844636
1976	6.037480592077499
1977	6.119934512649765
1978	6.206541211723322
1979	6.286602834917404
1980	6.35542981571912
1981	6.409852129892411
1982	6.448644916373543
1983	6.47504226455162
1984	6.492108494134709
1985	6.50093168650531
1986	6.502264889975865
1987	6.495838760184504
1988	6.483131412833972
1989	6.4676353263190896
1990	6.4498514774593785
1991	6.4326932577555676
1992	6.418276843458398
1993	6.4036911816189725
1994	6.384915875112821
1995	6.361248714797184
1996	6.333361364475933
1997	6.363974256434242
1998	6.448647680458534
1999	6.523028259536298
2000	6.589018826403276
2001	6.6480417437043995
2002	6.69580961391032
2003	6.725096947757585
2004	6.737601211902041
2005	6.68809473078161
2006	6.591504832523247
2007	6.517501837737785
2008	6.471644328215452
2009	6.452407372178159
2010	6.457938135279366
2011	6.483322325348459
2012	6.524809739262053
2013	6.577974707403415
2014	6.643229523116564
2015	6.618467325793984
2016	6.529429458204394
2017	6.497031359625141
2018	6.510435450289696
2019	6.564624952451265
2020	6.649213770377636
2021	6.74213570672982
2022	6.863695827399901
2023	7.024470228538641