Year	% of working-age population
1960	6.001444757052695
1961	6.090226963823567
1962	6.107581069237511
1963	6.0243549165817285
1964	5.994502704879287
1965	6.009384847239348
1966	6.098133190334149
1967	6.143546322733091
1968	6.111566199264364
1969	6.079423971827444
1970	6.0357411761090365
1971	5.978187491561529
1972	5.920494130733878
1973	5.867572737915085
1974	5.858675586769747
1975	5.907996178841005
1976	5.978097711876575
1977	5.979981940505411
1978	5.917506007146326
1979	5.869931401508679
1980	5.834151951505858
1981	5.808220467622936
1982	5.835252189810583
1983	5.903007364508995
1984	5.966219181473438
1985	6.031979170143873
1986	6.107063737862473
1987	6.2087431693989075
1988	6.357735226433937
1989	6.552524979746152
1990	6.775758749421726
1991	6.981550289648673
1992	7.142629448204779
1993	7.258632840028188
1994	7.349250809583806
1995	7.434349687870815
1996	7.517142564732371
1997	7.602844083291011
1998	7.6896701257576225
1999	7.780604579418658
2000	7.87554352693008
2001	7.980988216655114
2002	8.102009243109547
2003	8.226732227163202
2004	8.349242217633538
2005	8.462632969713395
2006	8.53407206464538
2007	8.559548390763227
2008	8.559713927321063
2009	8.537442652064525
2010	8.499378473237789
2011	8.461441190815975
2012	8.402131324580742
2013	8.33928681678265
2014	8.300478001465406
2015	8.29743332959225
2016	8.334187683685327
2017	8.408512509194829
2018	8.516782455846656
2019	8.645829020906644
2020	8.787508153946511
2021	8.937395058767091
2022	9.121348120318482
2023	9.335254295053524