Year	% of working-age population
1960	69.15238145018606
1961	70.03274529596057
1962	71.14651541001787
1963	72.55574816171246
1964	74.49133425034388
1965	76.26338706897198
1966	77.51917964197105
1967	78.74410655116635
1968	79.91815019707005
1969	81.04556507575279
1970	82.11521397034245
1971	83.12468843644541
1972	84.06334000431653
1973	84.90317982403336
1974	85.63432086811747
1975	86.25642223935527
1976	86.73356979706705
1977	87.08198312373881
1978	87.34053781760973
1979	87.56660858079422
1980	87.83539418453711
1981	88.14874664591873
1982	88.47717091117356
1983	88.77300978464712
1984	89.03914692043216
1985	89.28884434416923
1986	89.50290996976233
1987	89.6823445818755
1988	89.84331651877318
1989	89.94271987441977
1990	89.98552002038805
1991	90.011659715181
1992	89.99696629335222
1993	88.1853789025185
1994	87.57070580643087
1995	89.01897290606982
1996	89.41452874475858
1997	89.20209957982652
1998	88.75515086159596
1999	88.23476781139289
2000	87.65778020039049
2001	87.04832649174506
2002	86.44530373992298
2003	85.89312576653349
2004	85.41479249457764
2005	84.78105746174614
2006	84.30342935416257
2007	84.02870096045673
2008	83.5795170074283
2009	82.91554479815841
2010	82.22194769613948
2011	81.70149854483141
2012	81.27207621748359
2013	80.91771221102661
2014	80.58210811106012
2015	80.29967676378502
2016	80.09375021145206
2017	79.88252184309464
2018	79.59620154507002
2019	79.2216290947962
2020	78.80785945904927
2021	78.34671387445029
2022	77.8487613185122
2023	77.33118561394441