Year	% of working-age population
1960	6.140922384768542
1961	6.198910916241631
1962	6.281187920790342
1963	6.375323654628741
1964	6.458772632100391
1965	6.518396492109449
1966	6.561208910181427
1967	6.588518877079011
1968	6.605781531301009
1969	6.622751391951263
1970	6.639549207823774
1971	6.650979810685904
1972	6.669815528753427
1973	6.704521512164859
1974	6.743983031170825
1975	6.783855802985764
1976	6.827915243713985
1977	6.869138915506274
1978	6.900626565137079
1979	6.9259649803900585
1980	6.9356878784002856
1981	6.931410901766829
1982	6.925223200910865
1983	6.918211053147472
1984	6.913119664473707
1985	6.9102095488384085
1986	6.907887464568633
1987	6.90648950684116
1988	6.905130918615025
1989	6.904877046142495
1990	6.90527078119027
1991	6.91490345305701
1992	6.93209336243224
1993	6.951905383904711
1994	6.970889763126352
1995	6.9908777529496735
1996	7.0133374249840195
1997	7.038891264755686
1998	7.067334662552652
1999	7.098906401241168
2000	7.128086812275815
2001	7.15431906865072
2002	7.1855670156384805
2003	7.2180969346887345
2004	7.242769912409673
2005	7.260716316584731
2006	7.276742770019505
2007	7.2918935253652855
2008	7.309923332699704
2009	7.333727023391602
2010	7.365316513980953
2011	7.409614793757667
2012	7.471123512378504
2013	7.5481337258521135
2014	7.663283223009287
2015	7.821052066187806
2016	7.993560452967791
2017	8.1803893283017
2018	8.383211618957949
2019	8.596472487004254
2020	8.788789550428254
2021	8.911713672977424
2022	9.014083771076008
2023	9.197790794960454