Year	% of working-age population
1960	73.66068624559932
1961	74.44552860882474
1962	74.87227271202059
1963	74.88339943699056
1964	74.53388274652197
1965	73.86027070490746
1966	72.8731561337438
1967	71.56819564952386
1968	69.99736081977139
1969	68.30330140650925
1970	66.61252008663453
1971	65.03245278758712
1972	63.59982121773198
1973	62.22209788736798
1974	60.80365026183168
1975	59.3403332680985
1976	57.841273074831214
1977	56.32448661926388
1978	54.80355055304098
1979	53.297535174984326
1980	51.86789241362053
1981	50.59475751619278
1982	49.50027405961872
1983	48.557577536343466
1984	47.75174048993582
1985	47.049684752656475
1986	46.43261337609479
1987	45.924079236697565
1988	45.54843826276604
1989	45.287525434543255
1990	45.12258363670063
1991	45.09009350131237
1992	47.09758144114471
1993	50.34218931768415
1994	52.226635139662356
1995	51.9488243446963
1996	49.45987542176914
1997	47.46676964721269
1998	46.375245970914605
1999	45.58037388746919
2000	44.86416525679434
2001	44.25809233765805
2002	43.78809257978122
2003	43.50892935546189
2004	43.50310431639226
2005	43.481626642612284
2006	43.25186129927179
2007	43.06769687136898
2008	43.062762502054305
2009	43.14635983078252
2010	43.12465637364916
2011	42.9734827361245
2012	42.8562042053157
2013	42.89416013992533
2014	43.13299371124641
2015	43.61519230808413
2016	44.29306250391201
2017	45.16964459036317
2018	46.25670174400198
2019	47.43051394108063
2020	48.515341574821896
2021	49.39312268124908
2022	49.85554477277846
2023	50.13213758018965