Year	% of working-age population
1960	87.89946933951119
1961	88.52809355377417
1962	89.03859936405259
1963	89.39485398019136
1964	89.5593854796304
1965	89.57535531952196
1966	89.4948273049226
1967	89.29341809167967
1968	88.96493041378713
1969	88.52312775034096
1970	87.96974416742846
1971	87.27409602816506
1972	86.46242089743389
1973	85.60461793621008
1974	84.71151776168047
1975	83.80298807259865
1976	82.90261194746387
1977	81.99620567913938
1978	81.08016156310019
1979	80.16197730764715
1980	79.23140012186069
1981	78.31226579840478
1982	77.44510360449478
1983	76.61872015008366
1984	75.8087161621261
1985	75.0051668035552
1986	74.19355467435153
1987	73.36720812454418
1988	72.53194942449446
1989	71.69576324345118
1990	70.83243794796223
1991	69.94047960416154
1992	69.0444453769875
1993	68.14678530542588
1994	67.24307126239648
1995	66.33062232806446
1996	65.40036414642148
1997	64.44887382115628
1998	63.4969263232338
1999	62.55588786124363
2000	61.63351086632343
2001	60.73059442913261
2002	59.833666751997654
2003	58.93777187283282
2004	58.05050769300802
2005	57.189400467351156
2006	56.358120437487074
2007	55.551779274833905
2008	54.76909878549505
2009	54.012336534701596
2010	53.27276906074044
2011	52.587650666416486
2012	51.963562538784636
2013	51.371472981959
2014	50.837353653372766
2015	50.37163800163363
2016	49.95198327109208
2017	49.59103716880007
2018	49.30280872850846
2019	49.04031440165638
2020	48.746586855399485
2021	48.43505520422157
2022	48.15645324941654
2023	47.94788007800258