Year	% of working-age population
1960	69.12805866769874
1961	69.86364443625888
1962	70.53193280576099
1963	71.12499363187122
1964	71.24733222670145
1965	70.9465843355501
1966	70.66523860526003
1967	70.45897983833504
1968	70.4154231960693
1969	70.77861874820896
1970	71.45781588468125
1971	72.12408818191277
1972	72.70240181912928
1973	73.25372008419619
1974	73.85973148061214
1975	74.57054858954368
1976	75.45284861206135
1977	76.28981377836573
1978	76.96069070871296
1979	77.61113253370677
1980	78.19145787150629
1981	78.70444734464411
1982	79.19484130505516
1983	77.6313547912007
1984	74.89435921426646
1985	73.43909391654194
1986	73.05700654529653
1987	73.43913506002909
1988	74.2238717812305
1989	75.15271813983635
1990	76.11899916479432
1991	77.06691269154251
1992	77.95566728780979
1993	78.74993777069747
1994	79.37494630860952
1995	79.76517230863068
1996	79.94234213525654
1997	79.93534264407445
1998	79.77495289403147
1999	79.33700657848239
2000	78.95723425143757
2001	78.39799672778388
2002	77.10731197552087
2003	75.32186774995185
2004	73.317649301584
2005	71.38638597640892
2006	69.77123264571975
2007	68.58920056229843
2008	67.83873552003938
2009	67.45574905253648
2010	67.34608589935985
2011	67.07667070477595
2012	66.64665603601914
2013	66.39533454242574
2014	66.31571972834189
2015	66.40648599319638
2016	66.66060293935084
2017	66.96462400009501
2018	67.1428669886006
2019	67.06096148099931
2020	67.01867723707005
2021	66.74011733850156
2022	65.92768634974266
2023	64.87906067313132