Year	% of working-age population
1960	84.41735415194668
1961	85.30372471235384
1962	86.00481252885419
1963	86.5832170684334
1964	86.95846213538469
1965	86.79931302155232
1966	86.31361191559785
1967	85.88329617896672
1968	85.50868823420741
1969	85.18641853148627
1970	84.91478241371915
1971	84.69440164355419
1972	84.52140378993256
1973	84.39336994134904
1974	84.20856357803736
1975	83.98769690801502
1976	83.85037950376739
1977	83.87339416429835
1978	84.10754066148503
1979	84.44473532220809
1980	84.83763217221792
1981	85.33926835877985
1982	85.93771200622338
1983	86.5798028622284
1984	87.28296416066912
1985	88.03612154877133
1986	88.83084966227759
1987	89.66808085849763
1988	90.72297667195419
1989	91.99971952652925
1990	93.21424493458102
1991	92.93106131686113
1992	91.18370035772864
1993	90.71627672156947
1994	91.35921638347538
1995	91.92853728169011
1996	92.4079722735748
1997	92.81893499613165
1998	93.19209325550052
1999	93.53559621960864
2000	93.83938890988667
2001	94.12164372917833
2002	94.4277513488106
2003	94.79642659595987
2004	95.3562705867009
2005	96.34255254717016
2006	97.7012015313661
2007	98.68976875241661
2008	98.77040667820268
2009	98.4026523883116
2010	97.98807771009125
2011	97.55218434309737
2012	97.16057367550329
2013	96.81660557443702
2014	96.50081047899619
2015	96.23642307332977
2016	96.00290811158021
2017	95.71391569511864
2018	95.35842446415182
2019	94.98037483489105
2020	94.59533984270875
2021	94.21964163009619
2022	93.83069023169915
2023	93.37351927671864
