Year	% of working-age population
1960	12.669409448188643
1961	12.766262389482
1962	12.851891371596654
1963	12.932800800687383
1964	13.007674937918697
1965	13.06570566543748
1966	13.110389510457225
1967	13.147522178969334
1968	13.176736552916394
1969	13.160932052501767
1970	13.11089136220521
1971	13.071294553675452
1972	13.039127360642278
1973	13.002381347330893
1974	12.953010466127754
1975	12.891711477841646
1976	12.820313442640533
1977	12.74003955994174
1978	12.64798635165176
1979	12.548518521335472
1980	12.439707464719083
1981	12.319877711570665
1982	12.188752436368489
1983	12.049529599343584
1984	11.90441464681914
1985	11.75214721741105
1986	11.593705318145668
1987	11.429031622270589
1988	11.258094834798236
1989	11.082066049677117
1990	10.901413694120874
1991	10.715579537437794
1992	10.525183751270127
1993	10.331642536015785
1994	10.135943942374329
1995	9.936067289008466
1996	9.733157634656564
1997	9.528940739250787
1998	9.326110790670487
1999	9.12425479164109
2000	8.92315715517054
2001	8.724250323205979
2002	8.528995010170483
2003	8.336992086639277
2004	8.143504383189327
2005	7.946282010937514
2006	7.7512379263432365
2007	7.564562773582995
2008	7.388148277984976
2009	7.225610897758621
2010	7.080068068156141
2011	6.952145560217334
2012	6.840827502618972
2013	6.736225598457142
2014	6.646514027710879
2015	6.590455648422755
2016	6.56108487866531
2017	6.547879987744231
2018	6.5464589263374755
2019	6.553298754471598
2020	6.554480443687456
2021	6.531318910585597
2022	6.496705750820851
2023	6.484923331090433