Year	% of working-age population
1960	7.326124671270132
1961	7.340510502152925
1962	7.382831351584302
1963	7.45861264486917
1964	7.574038381828732
1965	7.7250238491610705
1966	7.913586655947577
1967	8.141304141372684
1968	8.387957698717756
1969	8.629477262328463
1970	8.86079675437924
1971	9.151246008392034
1972	9.49942129240921
1973	9.849258997455342
1974	10.208475977920251
1975	10.571257537260987
1976	10.928552474639574
1977	11.269612449158348
1978	11.580871823601155
1979	11.85671669791052
1980	12.096619589090839
1981	12.188361745311942
1982	12.16343668258624
1983	12.16248586472418
1984	12.183012340005
1985	12.209159332714652
1986	12.22853932373735
1987	12.242162457467932
1988	12.262168775698589
1989	12.306881818075977
1990	12.383171882201534
1991	12.481890194727182
1992	12.592647689856271
1993	12.712034631572413
1994	12.890701725479465
1995	13.131712456144149
1996	13.386016703827835
1997	13.6348964543028
1998	13.872144773592149
1999	14.110107641296517
2000	14.363475811359343
2001	14.66218325715155
2002	15.003953968829428
2003	15.339445828590408
2004	15.663232815085815
2005	16.0139352776668
2006	16.382091335037227
2007	16.78903935984361
2008	17.24826822077261
2009	17.71955926171353
2010	18.199764990748406
2011	18.69660433785684
2012	19.1855221621379
2013	19.643910162889448
2014	20.05399643763762
2015	20.44782452481804
2016	20.848685137140514
2017	21.2718603391355
2018	21.75033343905687
2019	22.236130167052156
2020	22.674352670695026
2021	22.86631354339242
2022	23.088550155860872
2023	23.569920572497207