Year	% of working-age population
1960	10.732439404929233
1961	10.555933863845823
1962	10.40773906827902
1963	10.291013963984883
1964	10.214305364511691
1965	10.134826239779361
1966	10.032867856688881
1967	9.935097420218659
1968	9.840617228879886
1969	9.748508719592893
1970	9.65497206959039
1971	9.561561838853558
1972	9.46930121451135
1973	9.374051903897367
1974	9.27151105810672
1975	9.162597248161171
1976	9.049405606216029
1977	8.931971544591875
1978	8.812953617424519
1979	8.691111809870952
1980	8.564750069924482
1981	8.436274949875813
1982	8.308070144784036
1983	8.181728904274385
1984	8.055260839444326
1985	7.929470794450911
1986	7.806392179388527
1987	7.68575079893722
1988	7.568717563602102
1989	7.452917322382061
1990	7.338086190281616
1991	7.225185282898078
1992	7.113717049070205
1993	6.90830479048099
1994	6.765250981211719
1995	6.738727643630658
1996	6.677946558221246
1997	6.5996604522520945
1998	6.518868747119462
1999	6.441214273547069
2000	6.367491248373193
2001	6.29734421982302
2002	6.229471645625738
2003	6.167047943025953
2004	6.115963336584325
2005	6.06766644192527
2006	6.035455831075465
2007	6.022331613493908
2008	6.012118239687745
2009	5.999381715120608
2010	5.9864707347447075
2011	5.973648935342971
2012	5.948961626712838
2013	5.90439655095861
2014	5.817165175713969
2015	5.752307869816504
2016	5.737913647681339
2017	5.726227878815039
2018	5.718509707979965
2019	5.715214771782034
2020	5.699158540536281
2021	5.660771639991947
2022	5.622624658211847
2023	5.611321579843811