Year	% of working-age population
1960	66.79963433263822
1961	66.93832193894507
1962	67.12593539872877
1963	67.61526170378926
1964	68.5916435062565
1965	69.61114394046135
1966	70.48018459173319
1967	71.3575000153339
1968	72.2322316270321
1969	73.05467281057176
1970	73.8055471680148
1971	74.49951563957417
1972	75.14780132869345
1973	75.74965927409811
1974	76.32442554777914
1975	76.86115218637777
1976	77.32363826463022
1977	77.7312961935088
1978	78.09934813406534
1979	78.4123435662774
1980	78.68333494669008
1981	78.93586472521903
1982	79.1744973299478
1983	79.42058905562898
1984	79.68689614682646
1985	79.96028324553761
1986	80.23392817992763
1987	80.50701260036102
1988	80.76058801544325
1989	80.95172795824769
1990	81.09907477957984
1991	81.26134617619336
1992	81.46334727373156
1993	81.67891443491051
1994	81.90451344280292
1995	82.13420623648385
1996	82.3583653941974
1997	82.56286259858577
1998	82.77224291557269
1999	83.07750279326768
2000	83.30918846745124
2001	83.37727436362378
2002	83.40460653867034
2003	83.36758981290183
2004	83.22186244967884
2005	82.9799360732205
2006	82.69006159714382
2007	82.32447210675987
2008	81.86738118129409
2009	81.33080121039067
2010	80.71997667668931
2011	80.0212653442398
2012	79.23184842542184
2013	78.30286885852902
2014	77.20016310366489
2015	75.97901044335768
2016	74.69200027437121
2017	73.37781934903882
2018	72.08177475895958
2019	70.86870598469963
2020	69.71577602158787
2021	68.54005465638286
2022	67.33359270014908
2023	66.09925890115566