Year	% of working-age population
1960	5.806618481743853
1961	5.938702699665702
1962	6.0464222475395655
1963	6.136186874782096
1964	6.211285865821558
1965	6.285889680397999
1966	6.365305587129493
1967	6.436977864503933
1968	6.500619106581579
1969	6.610599292760097
1970	6.835630481831643
1971	7.049312672392529
1972	7.170829922339979
1973	7.253536452665942
1974	7.284174581154626
1975	7.233337156082863
1976	7.06325346937536
1977	6.874828814023555
1978	6.750417653776817
1979	6.6550836433763
1980	6.580930020674913
1981	6.52674362714923
1982	6.484982231813978
1983	6.453475668757999
1984	6.4236632059052985
1985	6.391901142054257
1986	6.335073459157815
1987	6.250957969304998
1988	6.183831842943777
1989	6.14505401870665
1990	6.114143445370105
1991	6.0905663868267075
1992	6.075554761000246
1993	6.06610401041076
1994	6.062757792512922
1995	6.066513471882024
1996	6.07390537258141
1997	6.082772260363092
1998	6.097477143053551
1999	6.133437586075151
2000	6.160053509396509
2001	6.165056698866023
2002	6.173753671687708
2003	6.182476339310631
2004	6.1883073479349
2005	6.189489160625845
2006	6.188740889670771
2007	6.191205898790315
2008	6.197320838082373
2009	6.200305967743041
2010	6.198815168252122
2011	6.190847887598791
2012	6.178996601330355
2013	6.169285945172164
2014	6.161387202927235
2015	6.150091590292885
2016	6.136688120382541
2017	6.12630192184197
2018	6.115628888984251
2019	6.104564653304583
2020	6.078915420914415
2021	6.043790501027343
2022	6.036686086072127
2023	6.068000993947236