Year	% of working-age population
1960	53.78449481358706
1961	54.175399164194815
1962	54.15433033929066
1963	53.98008031486016
1964	53.7514790000829
1965	53.45786183068802
1966	53.20327745224051
1967	52.96186111528579
1968	52.59571329073243
1969	52.22298309703286
1970	51.927933165101045
1971	51.77617241523825
1972	51.79671635791561
1973	51.93733982352637
1974	52.15115985221189
1975	52.35129528925494
1976	52.453922473504264
1977	52.50707746303992
1978	52.54770627399237
1979	52.53955894280452
1980	52.13453153768046
1981	51.23120745823858
1982	50.162909977007885
1983	49.11153101496761
1984	48.35517021093626
1985	47.9205774083058
1986	47.583593448549735
1987	47.26002609534199
1988	46.9585514477494
1989	46.6283609890239
1990	46.2099692822825
1991	45.75689845716002
1992	45.3195978941193
1993	44.88305305930054
1994	44.43172347302364
1995	44.04217015297684
1996	43.71741994511844
1997	43.4122768250447
1998	43.13667988026859
1999	42.88900161548095
2000	42.697129016335104
2001	42.570354418366975
2002	42.3688042485153
2003	42.07114188940033
2004	41.91588851461789
2005	41.94896582749766
2006	42.1169812282774
2007	42.48792314872213
2008	43.04409117157512
2009	43.54633707599474
2010	43.78809073763812
2011	44.255750644035594
2012	45.20370710222059
2013	46.29592804913385
2014	47.50016273817895
2015	48.733245687629555
2016	49.894060030471806
2017	51.0796952945245
2018	52.33852319571726
2019	53.555310134688995
2020	54.56796476962778
2021	55.49527593845037
2022	56.435064203983195
2023	57.18620188762446