Year	% of working-age population
1960	81.35235801354523
1961	82.28763922294482
1962	83.22744765534277
1963	84.18091973071056
1964	84.89433003596322
1965	85.2657805278759
1966	85.49458846540095
1967	85.59701381390775
1968	85.59241704488663
1969	85.51765558037364
1970	85.36776921188675
1971	85.20875969973879
1972	85.01976278740442
1973	84.78401075089643
1974	84.5277304475016
1975	84.20921397212335
1976	83.88258701813132
1977	83.53598055718557
1978	83.1596605758449
1979	82.82981818904362
1980	82.50448591136784
1981	82.20830862364733
1982	81.97483663850844
1983	81.76106755320838
1984	81.56831681940331
1985	81.34561254948152
1986	81.0606076773493
1987	80.71013778167757
1988	80.26702104992783
1989	79.76914404604625
1990	79.2661874103206
1991	78.69820208520402
1992	78.14445034617691
1993	77.54572274226041
1994	76.84785987919061
1995	76.06067730718839
1996	75.17175804333495
1997	74.2301824250132
1998	73.2442641662887
1999	72.25140721718708
2000	71.28885511653063
2001	70.36895406899053
2002	69.51950379434496
2003	68.70147951775324
2004	67.8676383958015
2005	67.03867963220488
2006	66.22683984714202
2007	65.42653409597483
2008	64.66875552536379
2009	63.94830649388609
2010	63.249076283607174
2011	62.598268949350015
2012	62.00599654499855
2013	61.44575933292793
2014	60.91103258275682
2015	60.41160289490693
2016	59.907754777716
2017	59.384679935834484
2018	58.88536752603466
2019	58.414907080012455
2020	57.9165197985744
2021	57.384425930754325
2022	56.86600494893066
2023	56.40039777560356