Year	% of working-age population
1960	6.037265185214672
1961	6.135130006187057
1962	6.218196802415422
1963	6.290304129082639
1964	6.3487495043739575
1965	6.381923362292451
1966	6.399174826460719
1967	6.414240458591039
1968	6.426793884004738
1969	6.437221968505269
1970	6.444970488451231
1971	6.452371870153613
1972	6.457887959228834
1973	6.459956167175868
1974	6.448515297120798
1975	6.426023831611561
1976	6.407640912916299
1977	6.398198504854817
1978	6.393794485803818
1979	6.387252309449877
1980	6.375809632414958
1981	6.3594910934243245
1982	6.339575658035011
1983	6.3157822013257245
1984	6.29014904687804
1985	6.263191963638165
1986	6.234918820690601
1987	6.206353793142702
1988	6.162446963279108
1989	6.116433661547369
1990	6.08226143049021
1991	5.904401773503005
1992	5.592793020036599
1993	5.443242070932005
1994	5.422197039610589
1995	5.394347223236986
1996	5.362453666883252
1997	5.320971650791861
1998	5.278643448863165
1999	5.244055442705221
2000	5.216487090018386
2001	5.198329014357108
2002	5.191637586318365
2003	5.189125181653094
2004	5.180921150433111
2005	5.171135543293047
2006	5.1649841365205384
2007	5.145241772004069
2008	5.102564678076557
2009	5.054142231981642
2010	5.0093399766698905
2011	4.970942342718395
2012	4.95068630733721
2013	4.944514650361452
2014	4.953208063407021
2015	5.000952535931366
2016	5.067108698126285
2017	5.122439574007375
2018	5.173539571217365
2019	5.221113200097011
2020	5.22703506995891
2021	5.177536899490534
2022	5.1128717845579645
2023	5.066609442548275