Year	% of working-age population
1960	6.481716205082705
1961	6.276725948535078
1962	6.097736566261591
1963	5.9531157839869415
1964	5.913392751663757
1965	5.944351290359182
1966	5.9864571850810995
1967	6.064350664490557
1968	6.165383147354005
1969	6.270801815431165
1970	6.313495563742022
1971	6.316493343180503
1972	6.367041198501873
1973	6.453304368995674
1974	6.547656881350392
1975	6.635266825423327
1976	6.717177716312298
1977	6.796354771682401
1978	6.858229086147875
1979	6.901645460706154
1980	6.945896978892015
1981	7.029282115869018
1982	7.141960061958387
1983	7.254298667174928
1984	7.366404087715563
1985	7.447307096455027
1986	7.477611085297468
1987	7.4653523265438215
1988	7.4038473237860005
1989	7.315767879123035
1990	7.26981157289857
1991	7.250259687920396
1992	7.215648420900806
1993	7.206889249664713
1994	7.261850270908956
1995	7.331639865009362
1996	7.361583826490459
1997	7.401395714665024
1998	7.4644316931300105
1999	7.560202055256713
2000	7.707761175686471
2001	7.8562584343132205
2002	7.984941639738757
2003	8.11624728315669
2004	8.270769447675443
2005	8.443437502707479
2006	8.613499963794506
2007	8.786313047993099
2008	8.946880981292061
2009	9.086565133409193
2010	9.186905599338683
2011	9.290956402505532
2012	9.461047586600262
2013	9.654369721943906
2014	9.858334878546264
2015	10.085679314565484
2016	10.30946027218675
2017	10.532353557488431
2018	10.816629963671048
2019	11.177574112025411
2020	11.569921161839993
2021	11.9314069562605
2022	12.340797215770978
2023	12.853998335704505