Year	% of working-age population
1960	68.03823008099097
1961	69.75054951223082
1962	70.98446567406587
1963	71.8381666257011
1964	72.25092631905203
1965	72.37113233039456
1966	72.55997412827034
1967	72.879156064489
1968	72.96892536777247
1969	72.63511620578191
1970	72.05550281689584
1971	71.41427434933271
1972	70.74791411035314
1973	70.03272069611413
1974	69.2659015604243
1975	68.38532801045257
1976	67.479638520958
1977	66.68947582985871
1978	65.90785537170895
1979	65.18390598886161
1980	64.54189618751921
1981	63.86186013476159
1982	63.217528340916886
1983	62.5496809629483
1984	62.072538435887736
1985	61.817774992712316
1986	61.595736767440115
1987	61.422481724996224
1988	61.280738220436156
1989	61.23652163575973
1990	61.2415370732792
1991	61.21001494049933
1992	61.2337245426078
1993	61.29353193574648
1994	61.184082795670676
1995	60.870561362564835
1996	60.31035221946135
1997	59.505792713478726
1998	58.47055559765124
1999	57.29501436238885
2000	56.144993224926125
2001	55.051586844410146
2002	54.05338320358742
2003	53.12933740435706
2004	52.22258183669558
2005	51.32709081639626
2006	50.4672559357793
2007	49.65162756765728
2008	48.86550888686383
2009	48.15999621945703
2010	47.5511659303431
2011	47.12743050892118
2012	46.96000403120173
2013	47.020239185784554
2014	47.31244757402722
2015	47.76679497570163
2016	48.254987879703926
2017	48.76651422367896
2018	49.414545763850256
2019	50.10533467822128
2020	50.62923137806936
2021	50.99120214197007
2022	51.84550365344693
2023	52.51284344777857