Year	% of working-age population
1960	6.058626169432693
1961	6.115992533116627
1962	6.188701285320054
1963	6.267660821985275
1964	6.342415383168442
1965	6.415005336392116
1966	6.488378164789152
1967	6.558931199913168
1968	6.623457681118563
1969	6.67861434818759
1970	6.724751913973192
1971	6.780383959849231
1972	6.848925040414668
1973	6.9176711951831
1974	6.986765071708433
1975	7.059090253461413
1976	7.132028659509747
1977	7.201406857644939
1978	7.265587445273338
1979	7.321398730087709
1980	7.357937403017605
1981	7.3788613126353795
1982	7.39812173502485
1983	7.418650004170228
1984	7.444848633200257
1985	7.481550327007329
1986	7.532261844468743
1987	7.597377435070536
1988	7.67277702939275
1989	7.757010310304326
1990	7.843619970126173
1991	7.933388735289879
1992	8.030137318625865
1993	8.133398344489898
1994	8.244385094244388
1995	8.355801719884923
1996	8.464762770907937
1997	8.572754810177553
1998	8.679233129193847
1999	8.785367962125864
2000	8.893204167529841
2001	9.006998991612363
2002	9.127891345211681
2003	9.252301019829678
2004	9.380967035792874
2005	9.517424609533144
2006	9.661249498825494
2007	9.806718591741395
2008	9.95564906689769
2009	10.110372269942934
2010	10.257774324190148
2011	10.420837135529725
2012	10.608475484439396
2013	10.815112267044759
2014	11.048747312290478
2015	11.305958056967237
2016	11.573021832906214
2017	11.85827030372541
2018	12.171508047887485
2019	12.49241936268294
2020	12.780392313752527
2021	13.036286267100696
2022	13.324792780711915
2023	13.692658845661686