Year	% of working-age population
1960	5.606137026913167
1961	5.597213733116148
1962	5.597802627751237
1963	5.602280813149849
1964	5.611709856251207
1965	5.621729288438345
1966	5.631722759098859
1967	5.645408303129561
1968	5.662807551335243
1969	5.680993982674392
1970	5.6970612592152605
1971	5.709776070966419
1972	5.722361838854968
1973	5.736354421937604
1974	5.748401066656105
1975	5.761166790489591
1976	5.78112787674598
1977	5.8024498973493035
1978	5.818948491664397
1979	5.834987338848749
1980	5.843328320969769
1981	5.84431327459192
1982	5.845548318832947
1983	5.837368482839714
1984	5.827214009854628
1985	5.824815235127585
1986	5.826024627126371
1987	5.8381541432031225
1988	5.842326199626833
1989	5.83184472022082
1990	5.823260302520243
1991	5.81294809795691
1992	5.790559930673577
1993	5.761180906859332
1994	5.719883932100361
1995	5.676425567578186
1996	5.653202596261317
1997	5.638125478092065
1998	5.61753430234238
1999	5.595027337968279
2000	5.577423149172845
2001	5.557567830079544
2002	5.532525007095999
2003	5.503767371423929
2004	5.47327874606801
2005	5.443555828290069
2006	5.4171030699653695
2007	5.397799579157788
2008	5.3788411468594495
2009	5.3629161047541585
2010	5.355118811998352
2011	5.35008288261358
2012	5.346643270395105
2013	5.338333918766696
2014	5.323641555161045
2015	5.317596117034264
2016	5.320754802118853
2017	5.327527010652748
2018	5.342277673582504
2019	5.363663454495956
2020	5.365494825739796
2021	5.338002260600446
2022	5.308405127184059
2023	5.301972015398135