Year	% of working-age population
1960	6.387062137418995
1961	6.308724555696784
1962	6.298671936494113
1963	6.353488292950771
1964	6.40698774538144
1965	6.453119657613972
1966	6.500966939418087
1967	6.5507193103632275
1968	6.592375074483653
1969	6.618494705441927
1970	6.511524756670159
1971	6.3066910150575195
1972	6.13474857386912
1973	5.982768330679502
1974	5.848728520173728
1975	5.734375104497176
1976	5.640633070854437
1977	5.560492613463605
1978	5.49194377785396
1979	5.438094275771359
1980	5.380669961054031
1981	5.340105976053162
1982	5.325737407289809
1983	5.320843270147326
1984	5.328032889667046
1985	5.34582164227678
1986	5.378029980234113
1987	5.420657850892377
1988	5.495364445842816
1989	5.605320698196422
1990	5.7237855359277505
1991	5.855612122504464
1992	5.999571816910483
1993	6.188785771713472
1994	6.431537881883087
1995	6.698770576031533
1996	6.99461354306567
1997	7.315616503642376
1998	7.658077397373998
1999	8.021501147777736
2000	8.40691965713786
2001	8.807886460616393
2002	9.214762752485543
2003	9.62719631747271
2004	10.046483578286884
2005	10.478052018179364
2006	10.925272661456772
2007	11.175817864925687
2008	11.217355293373267
2009	11.248508650167587
2010	11.278541654037271
2011	11.305056692482973
2012	11.318495657835575
2013	11.326692345970253
2014	11.352687021581948
2015	11.432225632202014
2016	11.586117026851198
2017	11.805411836479678
2018	12.051629705857968
2019	12.240170117058705
2020	12.313483381292306
2021	12.332987770130014
2022	12.38817296279729
2023	12.553952651631747