Year	% of working-age population
1960	81.41358767982761
1961	81.64730058475998
1962	81.8594136957899
1963	81.93901485535575
1964	82.17318824409645
1965	82.61576671415423
1966	83.30405921044662
1967	84.42177663791094
1968	85.74395473629852
1969	86.67062891722497
1970	85.88699216520521
1971	84.07054033014632
1972	82.61419359820843
1973	81.24122174572558
1974	79.57432512190027
1975	77.39826539309847
1976	74.86212689416436
1977	72.22803946270513
1978	69.59505292549416
1979	67.07860291934121
1980	64.79179248479136
1981	63.12471376230822
1982	61.99676253471205
1983	61.04583883571808
1984	60.45215030870769
1985	60.087485191308765
1986	59.63693995888205
1987	59.07622799320427
1988	58.450849891101996
1989	57.87085763895084
1990	57.27184516788779
1991	56.69767785074898
1992	56.42485063324846
1993	56.46545873128777
1994	56.476267523924086
1995	56.24801139179103
1996	55.83407434663069
1997	55.387729133164
1998	54.946647539695014
1999	54.371758536256195
2000	53.6328957755267
2001	52.86152190950533
2002	52.22571132977536
2003	51.69060476371866
2004	51.16183779211166
2005	50.66712296722433
2006	50.21616809571881
2007	49.76007637359417
2008	49.33256498384408
2009	49.043316987045806
2010	48.34849514543814
2011	47.227242980460595
2012	46.25520137503876
2013	45.26152038148904
2014	44.3096606712405
2015	43.47978589305614
2016	42.60309640337515
2017	41.717070190828984
2018	40.934593859144655
2019	40.28559440462443
2020	39.75327403566799
2021	39.25732974641194
2022	38.79977520329882
2023	38.45294338710976