Year	% of working-age population
1960	5.501670314479899
1961	5.5861578783705745
1962	5.68599777606706
1963	5.719439945880568
1964	5.693442077881437
1965	5.59891478054038
1966	5.465298435217292
1967	5.3105445346824665
1968	5.1436121684965554
1969	4.9877983453365875
1970	4.845672046044465
1971	4.765999758139285
1972	4.788569221857501
1973	4.852487347241081
1974	4.890399801692694
1975	4.896373056994819
1976	4.877917781143588
1977	4.840296855139612
1978	4.795124532147126
1979	4.74594411897251
1980	4.69326453847611
1981	4.635364635364636
1982	4.56835375242686
1983	4.506760946774155
1984	4.472489502471374
1985	4.447160166321406
1986	4.410446851677934
1987	4.354129415744454
1988	4.288605437648124
1989	4.233817828834447
1990	4.182178660882428
1991	4.136671128314583
1992	4.119224616542769
1993	4.131290776880407
1994	4.1685599367227075
1995	4.228061737571597
1996	4.292972237574933
1997	4.348543524109587
1998	4.395478137504184
1999	4.437416278586178
2000	4.47721367881469
2001	4.517842895481251
2002	4.560370768994223
2003	4.608139782655018
2004	4.667453269577098
2005	4.7395006726981235
2006	4.811289277933701
2007	4.86711936851539
2008	4.894890401735617
2009	4.891960074585938
2010	4.873992854767244
2011	4.920229559263053
2012	5.053123554549158
2013	5.230472031480103
2014	5.449539192144131
2015	5.704850115321361
2016	6.0011897135535825
2017	6.339580679988881
2018	6.7196547982214945
2019	7.143763924769746
2020	7.60351032977829
2021	8.087971022192775
2022	8.597919717995184
2023	9.142584115534595