Year	% of working-age population
1960	6.0853044635851505
1961	6.006110381641393
1962	5.9284924130158005
1963	5.850786482203977
1964	5.783329129091253
1965	5.739509699555038
1966	5.765566059702882
1967	5.764321444836152
1968	5.690374498809867
1969	5.615131867394994
1970	5.5615765688921
1971	5.535323514411459
1972	5.514245093444954
1973	5.4862109578737375
1974	5.45090119959009
1975	5.414890839813329
1976	5.367621997567108
1977	5.314644999729764
1978	5.30554507732931
1979	5.421758620101924
1980	5.525535260304463
1981	5.5351955779039255
1982	5.552935542850509
1983	5.582353259985909
1984	5.61736455903516
1985	5.665235762956289
1986	5.739767552176966
1987	5.785561322248402
1988	5.795077950884884
1989	5.812899342195919
1990	5.822991176051028
1991	5.828573034294225
1992	5.8477398121199355
1993	5.87426907414761
1994	5.894035296032787
1995	5.902802311942682
1996	5.899721118560698
1997	5.906639588866928
1998	5.926649040021705
1999	5.953681630853689
2000	6.000037407777077
2001	6.061020579577899
2002	6.123592376471513
2003	6.190512596622391
2004	6.264304390305648
2005	6.335291902540434
2006	6.4025909126737846
2007	6.4700832172308615
2008	6.51981470117485
2009	6.554460344040189
2010	6.598003808665473
2011	6.664004762906371
2012	6.747346826054366
2013	6.841591763599024
2014	6.943125563369758
2015	7.025328307848405
2016	7.098420478569409
2017	7.2028825911362455
2018	7.33726555961129
2019	7.48958874738009
2020	7.644798613717818
2021	7.780138060733307
2022	7.916484020084482
2023	8.073533383428533