Year	% of working-age population
1960	5.525590099832064
1961	5.432592626942935
1962	5.341353806329733
1963	5.231173611444411
1964	5.137713998426927
1965	5.065861734729747
1966	4.954623778123596
1967	4.830258885157122
1968	4.722244601430679
1969	4.620409130091571
1970	4.524630796927096
1971	4.473862705349233
1972	4.46378724188533
1973	4.479349684298701
1974	4.516248052763851
1975	4.55310723470578
1976	4.59102761855544
1977	4.632974035102615
1978	4.679325780654539
1979	4.7251884327867275
1980	4.772017218311593
1981	4.820744543199104
1982	4.867909995388896
1983	4.910368931841836
1984	4.9467460338219675
1985	4.980482779787637
1986	5.013766817760999
1987	5.036681071105549
1988	4.828152110093283
1989	4.637872511630806
1990	4.68946566907237
1991	4.737242532552444
1992	4.779375915620202
1993	4.816016282565814
1994	4.865679111353264
1995	4.918771788543191
1996	4.96221022616682
1997	4.995225494604719
1998	4.93395900637885
1999	4.862797470376147
2000	4.861404593888849
2001	4.862235775329572
2002	4.872811496752062
2003	4.880971153777853
2004	4.858951896346534
2005	4.8122692471917325
2006	4.761740252792243
2007	4.712899746526561
2008	4.672286704877823
2009	4.644348549816328
2010	4.6047925489786445
2011	4.566384829966708
2012	4.5575169971712
2013	4.559561851317824
2014	4.621174415014
2015	4.705746719752249
2016	4.835212777605897
2017	5.0891556246629674
2018	5.312368065674822
2019	5.395615445176134
2020	5.416825169076329
2021	5.42877500560648
2022	5.4283506520773885
2023	5.437982153797424