Year	% of working-age population
1960	75.41491015160759
1961	77.76886349797229
1962	79.94358503598815
1963	82.28312785756525
1964	83.55666192533435
1965	83.8568510973746
1966	84.30045368011089
1967	84.29739886303494
1968	83.861638076134
1969	83.20940004515889
1970	82.32783756658064
1971	81.52488197168395
1972	80.43412554041787
1973	79.22770736634855
1974	78.01286370933737
1975	76.69474794382239
1976	75.88634280165235
1977	75.10688359745218
1978	73.91981863470096
1979	73.19457465472713
1980	72.81421328423149
1981	72.58017593738853
1982	72.58662001123255
1983	72.5774831086293
1984	72.45387579619138
1985	72.2396578762911
1986	71.87059466805312
1987	71.27028816985758
1988	70.40039007073611
1989	69.40668316837112
1990	68.38977626479688
1991	67.29449620117768
1992	66.09569644674356
1993	64.73848298251669
1994	63.18039925274951
1995	61.3769172867041
1996	59.305296796169394
1997	57.05815570815474
1998	54.728121521853076
1999	52.43205435177993
2000	50.257239608768046
2001	48.20917765535558
2002	46.323496058152145
2003	44.57608472819793
2004	42.92311586986731
2005	41.334582422299654
2006	39.77445736600031
2007	38.30764325803756
2008	37.01768028357776
2009	35.934379746549546
2010	35.08501611347402
2011	34.47741018318886
2012	34.07653300216161
2013	33.841015450620446
2014	33.73418851593809
2015	33.66909681432045
2016	33.56033630864407
2017	33.41016496183649
2018	33.25070850470931
2019	33.09650930499824
2020	32.94615775325532
2021	32.81599376173498
2022	32.689716425161066
2023	32.52050024443619