Year	% of working-age population
1960	93.91420754246663
1961	95.17043682972754
1962	96.07095773820502
1963	96.58002742247103
1964	96.72793426791027
1965	96.23624719115675
1966	95.18827245245072
1967	93.89723013987913
1968	92.43773401240568
1969	90.9300438135825
1970	89.37686030258747
1971	87.81587469398325
1972	86.24442643585013
1973	84.68282936744835
1974	83.1242235322437
1975	81.48994255656706
1976	79.81909206628832
1977	78.0979158376805
1978	76.41040577130215
1979	74.93776637222346
1980	73.73072927772108
1981	72.83067770505606
1982	72.2351375280047
1983	71.79178773719556
1984	71.35800815483023
1985	70.83924305372511
1986	70.20959574135236
1987	69.47638233406369
1988	68.62097389574421
1989	67.71781429063992
1990	66.89213915390701
1991	66.2266299698794
1992	65.68422524930605
1993	65.19031927992924
1994	64.69155997019045
1995	64.15932828730332
1996	63.556507689405784
1997	62.82317340005484
1998	61.95914156807899
1999	61.01288878725104
2000	60.33394941600254
2001	59.84036818286499
2002	59.170520754650305
2003	58.30070196579088
2004	57.22830421993103
2005	56.00597339534207
2006	54.69055688026749
2007	53.3340585203265
2008	51.932018620699004
2009	50.48514134632164
2010	49.114394575504186
2011	47.969472511819525
2012	47.04530777612269
2013	46.26154362126196
2014	45.59448905122684
2015	45.039053243609594
2016	44.55756186166548
2017	44.15317296240625
2018	43.86217728411218
2019	43.63801630608383
2020	43.44898982937775
2021	43.29126425331757
2022	43.215965340763624
2023	43.27542463091941