Year	% of working-age population
1960	6.944237917288965
1961	6.86288757169232
1962	6.841823111882663
1963	6.8512173040811515
1964	6.857118490938394
1965	6.875415596903789
1966	6.914681722175858
1967	6.9580076037108105
1968	7.012921373479792
1969	7.07142943157683
1970	7.117937409469353
1971	7.174784850257262
1972	7.232760081299308
1973	7.2985795820107535
1974	7.404282624701037
1975	7.522715259629943
1976	7.631967486624027
1977	7.704435997325322
1978	7.729790445678331
1979	7.7546086348276795
1980	7.772865305557735
1981	7.766507869550822
1982	7.759095445622792
1983	7.746514167745859
1984	7.736432941910995
1985	7.747961123619168
1986	7.778392582819901
1987	7.826941911408003
1988	7.89704885209285
1989	8.002221171235117
1990	8.128237551891143
1991	8.251189457967808
1992	8.391091915481237
1993	8.564816515810078
1994	8.737241213721061
1995	8.900496956157111
1996	9.054685036029246
1997	9.194878632434735
1998	9.353066740890663
1999	9.519633263452054
2000	9.68013298693398
2001	9.842938347253952
2002	10.002560061575313
2003	10.153833940324034
2004	10.284049686193967
2005	10.402573111338356
2006	10.54012950763739
2007	10.682435250350352
2008	10.808193069078198
2009	10.940571058648505
2010	11.095156746920878
2011	11.2966104499654
2012	11.551962866496947
2013	11.855380320167878
2014	12.21297357442231
2015	12.641648355600699
2016	13.122760207608305
2017	13.668120203203708
2018	14.259090524906929
2019	14.856935783078857
2020	15.454362507435485
2021	15.98941340392655
2022	16.552601803002837
2023	17.143170222351717