Year	% of working-age population
1960	52.38565134656651
1961	52.50052970734173
1962	52.364554303896185
1963	51.978589008002686
1964	51.50101882329472
1965	51.08389912877267
1966	50.75944523950417
1967	50.393307754088454
1968	49.906257661633425
1969	49.37245723494784
1970	48.87727571495476
1971	48.551802004905824
1972	48.4604104593617
1973	48.54581542900115
1974	48.68850488663089
1975	48.820424968262444
1976	48.9640346458079
1977	49.13478964946429
1978	49.29098688277665
1979	49.27672824182504
1980	48.82957785077963
1981	47.94309294940173
1982	46.9507676472295
1983	46.173402786494286
1984	45.84566168297515
1985	45.92321848085087
1986	46.07864916157352
1987	46.14165279685156
1988	46.158683614803344
1989	46.158706760674875
1990	46.19004894862659
1991	46.41270265527511
1992	46.67300907350963
1993	46.60746233364117
1994	46.404271255570386
1995	46.696725540781905
1996	47.33683847735096
1997	47.846343989653505
1998	48.279993495766846
1999	48.64023051998423
2000	48.93684677874173
2001	49.21996576678379
2002	49.442410044678056
2003	49.52860985337965
2004	49.614199408161035
2005	49.75635009841545
2006	49.86250075171817
2007	49.96628537947562
2008	50.05400226036541
2009	49.9881024920663
2010	49.6821965238154
2011	49.497666533837965
2012	49.64228345288777
2013	49.9516391764601
2014	50.46981099990025
2015	51.109613293431465
2016	51.78026934200355
2017	52.59795588031263
2018	53.57369340885081
2019	54.66109642376558
2020	55.675030374030364
2021	56.515225305960726
2022	57.33024628387036
2023	58.08155649532549