Year	% of working-age population
1960	6.58802929338653
1961	6.6518793672501975
1962	6.724032064060831
1963	6.7900097376108635
1964	6.841541394746691
1965	6.882758685572628
1966	6.912392345229536
1967	6.930633992953314
1968	6.940609793154184
1969	6.944963796444233
1970	6.943137963471252
1971	6.935612269418144
1972	6.921506627641359
1973	6.9016719740166375
1974	6.878962956010108
1975	6.849217707234099
1976	6.8081656509094675
1977	6.760952847308236
1978	6.704518203526881
1979	6.625169135597561
1980	6.528987464995904
1981	6.438209139903499
1982	6.397435401003911
1983	6.423974779715208
1984	6.488865777501128
1985	6.554215558452848
1986	6.591151753742455
1987	6.605606634470523
1988	6.584152545337124
1989	6.502968784360929
1990	6.401905167759538
1991	6.318476163269995
1992	6.267803908578999
1993	6.2280619920002795
1994	6.170570981826139
1995	6.104890039058083
1996	6.032562581314948
1997	5.97243641494571
1998	5.89043222396764
1999	5.773585279403372
2000	5.607896102184852
2001	5.46866289763499
2002	5.414385053422406
2003	5.350089214950815
2004	5.250957314411258
2005	5.141173280374251
2006	5.031100567842199
2007	4.929162395583502
2008	4.841351340811896
2009	4.7380551792527
2010	4.64609535184
2011	4.597402887830803
2012	4.577819271572826
2013	4.580504809970619
2014	4.589500454132607
2015	4.602590768965611
2016	4.621910077322757
2017	4.6470086880485315
2018	4.67759825452151
2019	4.715862095289604
2020	4.75506410405815
2021	4.788534556010052
2022	4.838971521951984
2023	4.9094286530809645