Year	% of working-age population
1960	70.36250925918792
1961	69.75940535983035
1962	69.81714474056203
1963	70.96964006086264
1964	71.99902215028119
1965	72.40156884506857
1966	72.53451846931685
1967	72.15708965338992
1968	71.76819094648616
1969	71.5715766185722
1970	71.1932544551136
1971	70.80900862864499
1972	70.20619679010545
1973	69.5809303247539
1974	69.4057399346943
1975	69.29489142461365
1976	69.05696462120736
1977	67.85669482833808
1978	65.22638283410139
1979	62.54526331409336
1980	60.33428104086165
1981	58.388202734873246
1982	56.829222697497805
1983	55.07468634579601
1984	53.08264155415553
1985	51.26815385248174
1986	49.700756157377214
1987	48.48373467290015
1988	47.42948195853179
1989	46.56717141652353
1990	46.071742906167174
1991	45.622490315486644
1992	45.067052429474934
1993	44.517848353949084
1994	43.85770148067024
1995	43.064666333268505
1996	42.15523718558604
1997	41.08429329771017
1998	40.0415102363048
1999	39.079826532100114
2000	38.07505140041762
2001	36.97174576662472
2002	35.71749067033974
2003	34.481304862026015
2004	33.30368460593764
2005	32.10399688540187
2006	31.141513186550203
2007	30.512407251048543
2008	30.028339708615814
2009	29.647917148846922
2010	29.339151538191533
2011	29.097612295522524
2012	28.98308770801588
2013	28.95650426273365
2014	28.96436931495502
2015	28.951638921867673
2016	28.94587411359585
2017	29.03092565672211
2018	29.05081878823274
2019	28.944265249139807
2020	28.72740722008712
2021	28.37028461938448
2022	27.934812709066318
2023	27.438207598053022