Year	% of working-age population
1960	5.26330287405686
1961	5.280546543997145
1962	5.314103832667557
1963	5.361920705923346
1964	5.410013533320113
1965	5.451498783691686
1966	5.491457089921985
1967	5.528636385698691
1968	5.562650353424597
1969	5.601333544016121
1970	5.667223869900352
1971	5.7510206369521955
1972	5.8280872955325895
1973	5.897543811941966
1974	5.9590728943094975
1975	6.011146378108694
1976	6.054598993770406
1977	6.089875607545927
1978	6.115060881255735
1979	6.127940193556066
1980	6.1246393144141695
1981	6.099344771956913
1982	6.048086888232859
1983	5.987252649027606
1984	5.9314688435528575
1985	5.872952631560884
1986	5.8051511231046256
1987	5.737450668386409
1988	5.674366338294429
1989	5.609986057068295
1990	5.540878517770015
1991	5.466029583147506
1992	5.386904746784156
1993	5.303087353128276
1994	5.212901685852691
1995	5.117957134864112
1996	5.015937582589312
1997	4.9004571577321645
1998	4.77937618536763
1999	4.654021376441278
2000	4.518498276400328
2001	4.371814632496952
2002	4.232990558020151
2003	4.104994357022791
2004	3.982009353346146
2005	3.86284160027487
2006	3.747999829468024
2007	3.640325184011127
2008	3.5410351456767084
2009	3.4543076351849953
2010	3.383095286272487
2011	3.3282735576936076
2012	3.282874975779389
2013	3.2360576689429355
2014	3.193832665723946
2015	3.167281694312037
2016	3.1517961825074883
2017	3.1449842032238466
2018	3.1477262982783327
2019	3.1598026865290714
2020	3.16883578918599
2021	3.1617651109475875
2022	3.1545456562198404
2023	3.1706304631275897