Year	% of working-age population
1960	6.695731389901092
1961	6.907494070132701
1962	7.237865464588427
1963	7.6276522067619466
1964	8.039633763953342
1965	8.416570122428531
1966	8.710986267166042
1967	8.94627264534974
1968	9.125158262051077
1969	9.255348452850978
1970	9.477814669483852
1971	9.85592665356909
1972	10.31837360951285
1973	10.823639719886312
1974	11.329090010753626
1975	11.79599229508668
1976	12.224522789800607
1977	12.61241132771044
1978	12.96749196229837
1979	13.30178474851271
1980	13.620023964851551
1981	13.924316380622473
1982	14.194750737692189
1983	14.444472830391131
1984	14.644891758450438
1985	14.812193519033414
1986	14.967071935157042
1987	15.050184220556472
1988	15.059087776615025
1989	15.006288985291475
1990	14.87878553171714
1991	14.602947196070406
1992	14.18342398083928
1993	13.743223202781222
1994	13.323058684054534
1995	12.920231213872832
1996	12.515785675626917
1997	12.10821511052458
1998	11.72797115756041
1999	11.41695142659483
2000	11.176760216642048
2001	10.996701793902341
2002	10.842921707552941
2003	10.690470652089633
2004	10.545053020351439
2005	10.42078930664974
2006	10.320538621976654
2007	10.245240400129074
2008	10.199136023601305
2009	10.197057051888821
2010	10.272989718569042
2011	10.419499253855081
2012	10.594125609537322
2013	10.79173699863355
2014	11.050926073005686
2015	11.393518591243971
2016	11.83792867367897
2017	12.324302616539494
2018	12.771734961569733
2019	13.246305644091318
2020	13.786876289911376
2021	14.357819654541885
2022	14.990363767766803
2023	15.724893122328057