Year	% of working-age population
1960	6.760626398210292
1961	6.826768576019456
1962	6.883615057117565
1963	6.922603161568467
1964	6.90761763408079
1965	6.856161174449476
1966	6.798469870848009
1967	6.7557125510542
1968	6.717245821851627
1969	6.683366384858923
1970	6.644574442904
1971	6.647313034011811
1972	6.669035008396848
1973	6.681197877179682
1974	6.692597394579243
1975	6.633958402311651
1976	6.510210658931763
1977	6.401482748788139
1978	6.3450721786595
1979	6.322410687884735
1980	6.293669830013557
1981	6.258847320525783
1982	6.22764466656867
1983	6.203574056055248
1984	6.189688447752964
1985	6.183297758804695
1986	6.166784969133811
1987	6.140880241390074
1988	6.145274035052173
1989	6.168380105584885
1990	6.1768934830762054
1991	6.176710948932854
1992	6.328294136150843
1993	6.59277592453101
1994	6.7715493987226125
1995	6.721459322408835
1996	6.510926902788245
1997	6.300732528212236
1998	6.086433207007043
1999	5.877350619344073
2000	5.816955165259808
2001	5.925647530458204
2002	6.049777833017432
2003	6.123206333498269
2004	6.118328786968114
2005	6.028336099330015
2006	5.884246837868915
2007	5.719356763621341
2008	5.549867823907828
2009	5.393265293650309
2010	5.289198500508431
2011	5.351240911002945
2012	5.56077343948
2013	5.836794418907135
2014	6.169473637922695
2015	6.549938921528707
2016	6.94247825961344
2017	7.338896149592842
2018	7.768861728254041
2019	8.25826252522095
2020	8.784021875484518
2021	9.275390597778365
2022	9.687870515895995
2023	10.041293593360317