Year	% of working-age population
1960	78.61907896600462
1961	78.30372916658432
1962	78.03522256275171
1963	77.9972018197462
1964	78.24415231516947
1965	78.64736040968168
1966	79.05310037853171
1967	79.57572748399056
1968	80.31196231474289
1969	81.16383539499174
1970	82.13507609402208
1971	83.27789660857951
1972	84.46264617576333
1973	85.42371002915112
1974	86.01394072098051
1975	86.43567795992922
1976	87.01746816175825
1977	87.62044850970226
1978	88.10432630376229
1979	88.54451906032675
1980	88.971801208945
1981	89.36324217086022
1982	89.57557415800366
1983	89.23693169622705
1984	88.45105308649165
1985	88.00132718809101
1986	87.97314250897624
1987	88.42271519922055
1988	89.32972188871308
1989	90.23660730782188
1990	91.09263872312343
1991	91.99620305544816
1992	92.7461299944049
1993	93.28441202881133
1994	93.75836284279244
1995	94.02168602626759
1996	94.22526896273216
1997	94.6288182268098
1998	95.11772554249363
1999	95.45054987492566
2000	95.52361253465422
2001	95.30309488174964
2002	94.77519533562561
2003	94.0503891851175
2004	93.26976748454183
2005	92.44982870361164
2006	91.46919966046542
2007	90.38539379592036
2008	89.24485207651313
2009	87.93660256734937
2010	86.44994501282139
2011	84.82557761903034
2012	83.10632283502656
2013	81.36732502469013
2014	79.63747298359361
2015	77.98968352864289
2016	76.42175505670052
2017	74.90598301256054
2018	73.5543681529489
2019	72.3810397982954
2020	71.2792341913676
2021	70.22952047855712
2022	69.23359614507842
2023	68.28628872848276