Year	% of working-age population
1960	8.722230380038665
1961	8.767805661677881
1962	8.82213508169638
1963	8.882245006975294
1964	8.945719499737836
1965	9.012982920708524
1966	9.082211792701415
1967	9.15193928913098
1968	9.217263067530604
1969	9.272542084611874
1970	9.324167453695903
1971	9.383016687809738
1972	9.448612264425755
1973	9.522299378484595
1974	9.616252464057098
1975	9.718021833638975
1976	9.815930751086945
1977	9.898566602062035
1978	9.949985267988701
1979	9.987119498751294
1980	9.989186429618274
1981	9.94204606966201
1982	9.875136959121141
1983	9.799396102800756
1984	9.748677164666413
1985	9.745322783448092
1986	9.767758691470146
1987	9.802679796876408
1988	9.85871459559145
1989	9.934372551600406
1990	10.0169934923467
1991	10.111809964609845
1992	10.219562686842579
1993	10.33825941448298
1994	10.451315183485846
1995	10.555417389429138
1996	10.646208938212446
1997	10.722714885605441
1998	10.798565373574695
1999	10.872496866646753
2000	10.948828123826237
2001	11.03715611349248
2002	11.129974361679515
2003	11.219447557125376
2004	11.300844348878066
2005	11.377195140613148
2006	11.455998361582397
2007	11.52558105958506
2008	11.584369907671062
2009	11.64968676993469
2010	11.724337053796196
2011	11.839265140826742
2012	12.022982696193772
2013	12.245901943897083
2014	12.503458492215998
2015	12.792901344908895
2016	13.10623434235403
2017	13.4470553086858
2018	13.803330985057812
2019	14.169735514655596
2020	14.529450137713681
2021	14.82202811143193
2022	15.105677434861667
2023	15.448362443889371