Year	% of working-age population
1960	74.85503789355242
1961	75.22498172082642
1962	75.46188394194118
1963	75.52655245495646
1964	75.38643435513025
1965	75.21394444595785
1966	75.06182596166254
1967	74.83721410495237
1968	74.56745455660118
1969	74.23180714487519
1970	73.8173373480951
1971	73.35713828260778
1972	72.86636939290567
1973	72.31355444668046
1974	71.80204968566962
1975	71.39657413582151
1976	71.04390024850173
1977	70.69949798046386
1978	70.35817413214335
1979	70.0394795585317
1980	69.7565598795057
1981	69.51528529290022
1982	69.31574097306917
1983	69.19735357923953
1984	69.11939992967187
1985	69.07579930692665
1986	69.121317849532
1987	69.2251865526821
1988	69.28153278758883
1989	69.46315096375417
1990	69.69409177658135
1991	69.68575199136959
1992	69.50051901864086
1993	69.32478264277543
1994	69.35304791445185
1995	69.1153724730442
1996	68.37370105265687
1997	67.41814546241248
1998	66.29813421375233
1999	65.0969676461622
2000	64.04151564782451
2001	63.17811697706696
2002	62.38419225864521
2003	61.516876325555465
2004	60.46762161117244
2005	59.346196168128515
2006	58.242716069031886
2007	57.15599403046888
2008	56.112568825389026
2009	55.18252374939128
2010	54.559510758042386
2011	54.22101877036666
2012	53.87864038090377
2013	53.56460713562297
2014	53.32789927606163
2015	53.00776795696158
2016	52.610219235961836
2017	52.1759268410049
2018	51.76145909816613
2019	51.45769233897923
2020	51.264946767226505
2021	51.054504968762394
2022	50.83410751092905
2023	50.69752672386287