Year	% of working-age population
1960	6.9864528473417975
1961	6.992844722741919
1962	7.033884137480675
1963	7.0949884330863995
1964	7.150983356095461
1965	7.20921432148539
1966	7.272784605793046
1967	7.330198183927276
1968	7.392302511563674
1969	7.454364085183304
1970	7.504963423771777
1971	7.565688114152026
1972	7.634300134805976
1973	7.708589464122325
1974	7.8121369508075995
1975	7.926394477589976
1976	8.034259802295152
1977	8.117779704966294
1978	8.164701430461543
1979	8.203382868046003
1980	8.21948489230555
1981	8.195436262619536
1982	8.157731261959796
1983	8.118816970690462
1984	8.090084163531337
1985	8.075796771480617
1986	8.078078049966388
1987	8.101283445755092
1988	8.147858479747828
1989	8.226986455017196
1990	8.325391744926554
1991	8.428551659132967
1992	8.549354693896772
1993	8.69480110015592
1994	8.83442357963655
1995	8.961680347380819
1996	9.077150953602274
1997	9.180047740273086
1998	9.287075492922893
1999	9.390637245709483
2000	9.492265741405962
2001	9.600863480742904
2002	9.716409665705362
2003	9.832543088088993
2004	9.93252418919768
2005	10.018239578890718
2006	10.10718035029351
2007	10.184756617560748
2008	10.238368365279241
2009	10.296000540275731
2010	10.375568739773005
2011	10.505082048975058
2012	10.689638617093081
2013	10.914213335753164
2014	11.197547152490563
2015	11.54662815729753
2016	11.929142828915202
2017	12.355676626507872
2018	12.815652775616897
2019	13.28557518580632
2020	13.74568990592269
2021	14.125416994211681
2022	14.48210493453648
2023	14.911292349877213