Year	% of working-age population
1960	77.9842032508385
1961	78.16524213721611
1962	78.6782031438115
1963	79.77147181748649
1964	80.61089189349406
1965	80.91074274771684
1966	81.00645472536343
1967	80.75546508803986
1968	80.43903613472214
1969	80.18799883601714
1970	79.78146932245889
1971	79.38721665370757
1972	78.8456970557797
1973	78.3021187378192
1974	78.06307719301239
1975	77.8888320025267
1976	77.6685946990016
1977	76.88264441035959
1978	75.24646516808431
1979	73.62942161546262
1980	72.3090000311787
1981	71.0986979246054
1982	70.108153317308
1983	69.05139115117235
1984	67.89819703013575
1985	66.86241519855683
1986	65.96228752114335
1987	65.24465824071164
1988	64.59830509358656
1989	64.04100160560488
1990	63.62056877160535
1991	63.191875810484575
1992	62.731126813660374
1993	62.28823386837393
1994	61.72767351858537
1995	61.0146523059563
1996	60.175763976051705
1997	59.189655052312986
1998	58.19167429243953
1999	57.21539047059945
2000	56.221491800026264
2001	55.199202655438455
2002	54.13067210890866
2003	53.102648285236434
2004	52.11527448966889
2005	51.133105671424254
2006	50.286842660810194
2007	49.608274640158506
2008	49.01862957808493
2009	48.52057059225917
2010	48.09874071724959
2011	47.78837849943577
2012	47.618884026754536
2013	47.54212846147054
2014	47.55522051655058
2015	47.632008315188095
2016	47.740598675746256
2017	47.92930561112392
2018	48.128501016132134
2019	48.27466860875838
2020	48.34429526792041
2021	48.27610810283798
2022	48.167582339774924
2023	48.06925301827429