Year	% of working-age population
1960	8.967758214456904
1961	8.845027315210952
1962	8.711183708538783
1963	8.561030256979757
1964	8.399712463192907
1965	8.239691722466617
1966	8.08717939783911
1967	7.943449089841133
1968	7.806161388932329
1969	7.671725115437835
1970	7.541497683412227
1971	7.415063639543194
1972	7.291124146008658
1973	7.1768156426971625
1974	7.082427346810122
1975	7.009633642347049
1976	6.958669259046076
1977	6.92959755639729
1978	6.913191664214742
1979	6.894493124475459
1980	6.866027903696621
1981	6.827857362464422
1982	6.779147485331481
1983	6.726322319902667
1984	6.68388527954384
1985	6.663792329389763
1986	6.6715695609064225
1987	6.709003305548094
1988	6.7752199006803275
1989	6.865942601170278
1990	6.973370500247568
1991	7.090052310751805
1992	7.2127552469542815
1993	7.336771158680699
1994	7.455156645279394
1995	7.565443964765871
1996	7.670058578534557
1997	7.772815066382184
1998	7.874958806239094
1999	7.9762125515226625
2000	8.077055841561995
2001	8.17725717812859
2002	8.277187141369776
2003	8.380633005522405
2004	8.493643770914858
2005	8.61696255414202
2006	8.746977158906287
2007	8.884095902731648
2008	9.030032061372765
2009	9.183441891371977
2010	9.341115865784483
2011	9.499691666184868
2012	9.667041389341877
2013	9.868375439991341
2014	10.106634664099781
2015	10.356193512046987
2016	10.603506745486209
2017	10.847762945517706
2018	11.062844961933713
2019	11.284683150488227
2020	11.436452755318479
2021	11.533413817258976
2022	11.775880434445625
2023	12.11898995368787