Year	% of working-age population
1960	77.7777813021388
1961	78.3404118311836
1962	78.93895452270846
1963	79.62233439303154
1964	80.3759948056684
1965	81.0559256185488
1966	81.63206503965334
1967	82.15326389492091
1968	82.61236899654011
1969	83.03059731250045
1970	83.42368186196333
1971	83.8588418335159
1972	84.29189252905233
1973	84.60178016548136
1974	84.79506012050287
1975	84.88955934574474
1976	84.93575854243237
1977	84.96317305755643
1978	84.99031709584288
1979	85.02334648928152
1980	85.00569893535794
1981	84.97517978368725
1982	84.99810171583317
1983	85.07323109605255
1984	85.20252044399233
1985	85.2870439503972
1986	85.2728823599633
1987	85.19947002679285
1988	85.05890364012292
1989	84.8976602961968
1990	84.71539040588239
1991	84.44595691666919
1992	84.19107852192633
1993	83.90936137648434
1994	83.39554751293024
1995	82.76913123331165
1996	82.1870132269481
1997	81.56281269495439
1998	80.79231593096812
1999	79.98215431983787
2000	79.17986046556457
2001	78.40356953755301
2002	77.76406723916645
2003	77.18111756984794
2004	76.5603628387655
2005	75.9336693832121
2006	75.3265617993698
2007	74.77188614350156
2008	74.28648278590236
2009	73.79088002542146
2010	73.24950267369503
2011	72.71122128524519
2012	72.25220752999202
2013	71.87097944041182
2014	71.45290746885966
2015	70.96964797525106
2016	70.40617177970357
2017	69.75121923814739
2018	69.04708971240704
2019	68.32552304621595
2020	67.5742969481165
2021	66.81308600417763
2022	66.0480178209836
2023	65.25144968156589