Year	% of working-age population
1960	76.67777609453114
1961	74.69934524672757
1962	72.34628994067097
1963	69.82483112288148
1964	67.20623750832779
1965	64.71281174276281
1966	62.457800524690875
1967	60.51666220143025
1968	58.81694528836184
1969	57.273986479502184
1970	55.93281467360502
1971	54.8100035800133
1972	53.71752974481213
1973	52.69284988858741
1974	51.83995253681665
1975	51.059625009930876
1976	50.48254140111715
1977	50.09314538013583
1978	49.80633258635345
1979	49.650877343802236
1980	49.629052074473115
1981	49.66124915546881
1982	49.73833536263181
1983	49.99750400493753
1984	50.326943014605575
1985	50.602048307102834
1986	50.74818901246101
1987	50.841817186644775
1988	50.97804825038035
1989	51.074946909554555
1990	51.02296664591452
1991	50.81970610789861
1992	50.55164223114096
1993	50.26203223704711
1994	49.90141143627339
1995	49.513924652378876
1996	49.24709385693015
1997	48.9464939552294
1998	48.52777906277467
1999	48.112183676121035
2000	47.73280716836648
2001	47.3138753434259
2002	46.74812566477288
2003	46.105628949722146
2004	45.408557068260144
2005	44.67388422764694
2006	43.94573285506269
2007	43.396618894001094
2008	43.556627824202494
2009	44.27064934156451
2010	45.049007771957264
2011	45.80162029821053
2012	46.449192491143904
2013	46.92519686397329
2014	47.28433097099784
2015	47.53121819754895
2016	47.626689490389076
2017	47.623508778570574
2018	47.501521792062334
2019	47.318920846278175
2020	47.14564315471176
2021	47.06152615726691
2022	47.66100243547113
2023	48.765028733082175