Year	% of working-age population
1960	73.66109640806361
1961	73.5968965407843
1962	73.64249323895949
1963	73.93614832956138
1964	74.54471379506332
1965	75.11352634375608
1966	75.51666138110245
1967	75.94170196188898
1968	76.37353766993915
1969	76.80796074170257
1970	77.21484540985594
1971	77.67307810635346
1972	78.21404852705143
1973	78.78287232619398
1974	79.39993681292353
1975	80.05115972352256
1976	80.72058379207506
1977	81.36377372836198
1978	82.02577413762823
1979	82.71758173712527
1980	83.3457714430159
1981	83.99878159088617
1982	84.7108486509956
1983	85.45253437911305
1984	86.0871189092523
1985	86.52893878591786
1986	86.81396282563001
1987	86.8814082587132
1988	86.74287247798898
1989	86.44253528972078
1990	85.99168102927405
1991	85.493719116287
1992	84.96016620296908
1993	84.33604725751054
1994	83.69265547968769
1995	83.10761953582434
1996	82.58290098644058
1997	82.06814491966274
1998	81.56884046226914
1999	81.20707076602444
2000	81.06944144893072
2001	81.1155606915066
2002	81.30998649045928
2003	81.6129550354964
2004	81.93660371726317
2005	82.29222791151165
2006	82.69926713266078
2007	83.09851963265925
2008	83.4853916069866
2009	83.83446403576072
2010	84.09628183927308
2011	84.27808188118485
2012	84.40250481136255
2013	84.45012211853899
2014	84.36668764841022
2015	84.15035996027639
2016	83.79690861193913
2017	83.27515290076674
2018	82.66635488215611
2019	82.03105437157542
2020	81.31864863147392
2021	80.55861735894877
2022	79.74043939112924
2023	78.82217246686535