Year	% of working-age population
1960	80.11161172646852
1961	80.63241172601217
1962	81.0405828653384
1963	81.31408002942082
1964	81.42115259682406
1965	81.3888426437086
1966	81.26380219445362
1967	81.02886070080181
1968	80.67679625113128
1969	80.2208509066711
1970	79.6588603472334
1971	78.95383704350145
1972	78.12923361416885
1973	77.25474204323156
1974	76.33945295440095
1975	75.39377552610304
1976	74.43938958503622
1977	73.46568539483253
1978	72.4726162452492
1979	71.47826694816543
1980	70.49055542617563
1981	69.52621049621384
1982	68.6165753452944
1983	67.7565317664229
1984	66.91385086742424
1985	66.06930791308615
1986	65.204676592041
1987	64.31715930081727
1988	63.41930423842532
1989	62.52134216244703
1990	61.60514661918288
1991	60.66400275719939
1992	59.711577889794135
1993	58.75087497836075
1994	57.77834609022985
1995	56.79770339279248
1996	55.80114441945895
1997	54.779248661700905
1998	53.7516086776544
1999	52.730601868756146
2000	51.72155087974974
2001	50.72401487053036
2002	49.72616716187156
2003	48.725535362283104
2004	47.72983841185729
2005	46.754383006005874
2006	45.80346741326946
2007	44.8795116444897
2008	43.979221068443685
2009	43.10106674325593
2010	42.24682266535456
2011	41.428973769498725
2012	40.644217869421986
2013	39.870561947201466
2014	39.12850062113206
2015	38.43285668601293
2016	37.771672769708225
2017	37.147859531775964
2018	36.56945039210946
2019	36.00789161534199
2020	35.45082378936889
2021	34.91428125420761
2022	34.38304079958035
2023	33.84354537949242