Year	% of working-age population
1960	55.34864280478187
1961	55.69347026724114
1962	56.0822847765999
1963	56.17820772467217
1964	56.366922621581715
1965	57.03662786654712
1966	57.84068898564828
1967	58.47130965454672
1968	59.02236864619652
1969	59.563164764907754
1970	60.08751888031584
1971	60.46280646566188
1972	60.645277019053836
1973	60.71921232997368
1974	60.5823263874671
1975	60.43403364628481
1976	60.45520176065623
1977	60.42544185099899
1978	60.194320392908004
1979	59.68498143680172
1980	59.04466207919007
1981	58.227097473437325
1982	57.27694429865667
1983	56.36058628658157
1984	55.44598603384002
1985	54.58234991940881
1986	53.77805495428023
1987	53.00336340060569
1988	52.22583364458912
1989	51.396635432245134
1990	50.47891947839723
1991	49.53088714064782
1992	48.66249564492984
1993	47.88295950000331
1994	47.18210793801733
1995	46.62720390387241
1996	46.207252866950135
1997	45.92373578038787
1998	45.79583882345845
1999	45.73418654509929
2000	45.780754540112966
2001	46.02587180587713
2002	46.09233908664445
2003	45.827313746538394
2004	45.37667390018022
2005	45.20729479367851
2006	45.27558184257079
2007	45.17820849179517
2008	45.404774837014074
2009	46.068393283259255
2010	46.88893239574654
2011	47.68332077592017
2012	48.459514938235095
2013	49.41728756348426
2014	50.33933252867091
2015	50.927058471196474
2016	51.329790394321286
2017	51.69119705538318
2018	51.87080548320162
2019	51.81973821851752
2020	51.67174761862798
2021	51.53763625055849
2022	51.6597126567509
2023	51.97731726097889