Year	% of working-age population
1960	80.05596043727226
1961	80.28719789730111
1962	80.9752071362814
1963	81.88944154127054
1964	83.94581713282328
1965	86.75517424930331
1966	89.18227215980025
1967	91.46701469811379
1968	93.49041163573479
1969	95.09074771217824
1970	94.73890733474192
1971	92.79930940048818
1972	90.89138709391874
1973	88.88335433209295
1974	86.6422530299067
1975	84.09855389126872
1976	81.49587315993986
1977	79.07054683572585
1978	76.77172927372152
1979	74.71335857220119
1980	72.7812541605645
1981	70.77625570776256
1982	68.84350572034995
1983	67.10012007255447
1984	65.49436637549057
1985	64.41787573934585
1986	63.91084093211753
1987	63.51924787193495
1988	63.30687358023431
1989	63.34933388094566
1990	63.49624351328325
1991	62.79676627097831
1992	61.31680055885435
1993	60.051540125932945
1994	59.03023117960877
1995	58.14797687861272
1996	57.401226772505865
1997	56.64357197844496
1998	55.7405897248809
1999	54.759858283893415
2000	53.97587395371738
2001	53.276083983589416
2002	52.35153644240068
2003	51.34333565945569
2004	50.286519313876674
2005	49.105776051973265
2006	48.000292729335136
2007	47.03130041949016
2008	46.19288448705792
2009	45.48489802942948
2010	44.67442135296203
2011	43.80368098159509
2012	42.984816608770814
2013	42.26669881842295
2014	41.7495314038822
2015	41.285599836629544
2016	40.91616356507126
2017	40.741713261870196
2018	40.56732583649111
2019	40.48160065880774
2020	40.62158552871191
2021	40.87165460233025
2022	41.17381353890629
2023	41.44903622590565