Year	% of working-age population
1960	5.682392396682637
1961	5.779010141347954
1962	6.088037391782628
1963	6.345037426372177
1964	6.544551984825918
1965	6.6843327805219594
1966	6.766140938975275
1967	6.802240427562811
1968	6.8095812272688345
1969	6.76741062372364
1970	6.626267732514769
1971	6.325837390103901
1972	5.982888366450893
1973	5.719563980321897
1974	5.5129838168933505
1975	5.36135622835746
1976	5.256989984893352
1977	5.199226971021532
1978	5.191131666389505
1979	5.22119341563786
1980	5.036494104234957
1981	4.697221055374618
1982	4.535571977006706
1983	4.498130625240988
1984	4.52760724096967
1985	4.620500865685495
1986	4.732534791668481
1987	4.846387346539659
1988	4.946864959125803
1989	5.045918878903125
1990	5.150579806299834
1991	5.2590476804442865
1992	5.360621648243406
1993	5.44683124659982
1994	5.519659398831844
1995	5.5865996258700505
1996	5.656842429231576
1997	5.719330090967781
1998	5.7713776431388535
1999	5.821487928631953
2000	5.8568980295340936
2001	5.863404116770419
2002	5.851388488938413
2003	5.833878515585492
2004	5.804956038289583
2005	5.7639127918892346
2006	5.720788486633745
2007	5.674602693543957
2008	5.617038874094912
2009	5.551348457843801
2010	5.4915156724036285
2011	5.439551851385544
2012	5.39598681272351
2013	5.374676229999374
2014	5.386018973558058
2015	5.410435383605826
2016	5.441354792137208
2017	5.492990425996094
2018	5.568226993332474
2019	5.668578913916169
2020	5.77078710756664
2021	5.866138653018424
2022	5.973823144105133
2023	6.108161165228651