Year	% of working-age population
1960	6.155475465512518
1961	6.246189485175995
1962	6.332483683479506
1963	6.417015083932576
1964	6.493118846102405
1965	6.562641307068675
1966	6.637100035865812
1967	6.716003104267128
1968	6.794278424704619
1969	6.863192463565995
1970	6.919257005143929
1971	6.968365550189424
1972	7.010143417659196
1973	7.05056043573558
1974	7.092596378204391
1975	7.13054074530002
1976	7.1645231609746105
1977	7.188259728997978
1978	7.204388291869412
1979	7.227464611702046
1980	7.258643042133281
1981	7.299266289890774
1982	7.3540586951262865
1983	7.402735597791968
1984	7.43308287530242
1985	7.453173356317502
1986	7.465488276869333
1987	7.469072432618846
1988	7.466204795983393
1989	7.471274229543741
1990	7.488950788385054
1991	7.518371072961264
1992	7.557941763539981
1993	7.600770670429983
1994	7.6417420077027485
1995	7.6785226329883685
1996	7.716007180683973
1997	7.751581385094646
1998	7.778986018592969
1999	7.7951989876662475
2000	7.802441932536186
2001	7.807984227082164
2002	7.814382517712691
2003	7.81999425208183
2004	7.818549573143985
2005	7.809609638556708
2006	7.79778006050831
2007	7.787575732216729
2008	7.767634028920262
2009	7.759208371315276
2010	7.778824010776455
2011	7.81014513555531
2012	7.851415843866243
2013	7.9082628370392465
2014	8.032318776826653
2015	8.22110064467036
2016	8.42631258548175
2017	8.646397102721497
2018	8.890904842197891
2019	9.159514421967657
2020	9.432830292275577
2021	9.677603029863285
2022	9.94350863029008
2023	10.257624013555109