Year	% of working-age population
1960	71.5104326144963
1961	72.24937808001599
1962	73.02246253220598
1963	73.8729845343863
1964	74.50937221962512
1965	74.86428138696431
1966	75.2312017069784
1967	75.65801643155747
1968	76.14795301851225
1969	76.68916149831972
1970	77.31408890497057
1971	78.08351429796265
1972	78.94298321508911
1973	79.77709680306523
1974	80.52731544001564
1975	81.17862935325849
1976	81.56943470675515
1977	81.76745418357588
1978	81.99986233347954
1979	82.27740887105026
1980	82.58848597989855
1981	82.91932256887188
1982	83.25347718995747
1983	83.570791942952
1984	83.91410415403138
1985	84.35485207405367
1986	84.89919025617874
1987	85.56598390636431
1988	86.31842376596784
1989	87.04898745512119
1990	87.7871717093331
1991	88.46354338744375
1992	88.9019041069812
1993	89.09746395608298
1994	89.09519484582742
1995	89.12214946860583
1996	89.10461566071292
1997	88.88259619444649
1998	88.56698224723732
1999	88.17556210586565
2000	87.71819650579502
2001	87.41804409016369
2002	87.05180057178285
2003	86.77724768418122
2004	86.7915315029831
2005	86.71763867522276
2006	86.99701270234686
2007	87.50232836760661
2008	87.81638910470447
2009	88.10101243731404
2010	88.54720308813856
2011	89.73880207576569
2012	91.825523754506
2013	94.1641258326951
2014	97.2763271783944
2015	99.34681258239894
2016	99.25642137147469
2017	99.15626722502083
2018	99.05323336194805
2019	98.58221758736305
2020	97.76072980472425
2021	97.70090854910075
2022	97.53004056252217
2023	96.36593901016496