Year	% of working-age population
1960	5.561807893925508
1961	5.545570434506997
1962	5.528250770882084
1963	5.514758924497181
1964	5.5085312153560135
1965	5.506592959314498
1966	5.5105818040421575
1967	5.523447050155699
1968	5.540278145231098
1969	5.5571874825183745
1970	5.572854375763193
1971	5.591007925915487
1972	5.609647562749763
1973	5.624190609709889
1974	5.635381023009737
1975	5.645003499864023
1976	5.658966176973634
1977	5.672198690885665
1978	5.678549116504916
1979	5.684296807555114
1980	5.69396378468134
1981	5.705422163517907
1982	5.708100278080727
1983	5.6975175410407894
1984	5.685938472207425
1985	5.683069469956598
1986	5.688050220415055
1987	5.7093605563663745
1988	5.722365789876863
1989	5.722894905457749
1990	5.732054862113542
1991	5.741338300970882
1992	5.739692756548155
1993	5.732690995660889
1994	5.715847692844211
1995	5.694050923980357
1996	5.6880429505570715
1997	5.693300752984541
1998	5.697167833731986
1999	5.702908359006891
2000	5.719715976975909
2001	5.738072232070395
2002	5.751451383023917
2003	5.762005985815996
2004	5.770225161646674
2005	5.773498213119553
2006	5.769214130852537
2007	5.762394886089915
2008	5.755327657020496
2009	5.749459408414197
2010	5.749340957899556
2011	5.754237368481839
2012	5.765759906371332
2013	5.781777869321987
2014	5.793727140680406
2015	5.80748278026258
2016	5.808437878768813
2017	5.798397206061999
2018	5.798911095729515
2019	5.808179279864023
2020	5.807007192824208
2021	5.78263474349584
2022	5.760752333110219
2023	5.7635710471648425