Year	% of working-age population
1960	89.5056548440018
1961	90.13738463483502
1962	90.50553062042086
1963	90.56340429997508
1964	90.29919345648844
1965	89.86268347275245
1966	89.23595083811546
1967	88.2729118759102
1968	86.93133276084062
1969	85.30365669219854
1970	83.49118205014139
1971	81.48121498385463
1972	79.29211404871415
1973	76.95682381226632
1974	74.57491866134791
1975	72.23221777337879
1976	69.99282867876555
1977	67.92038262793827
1978	66.05610244109744
1979	64.44821630201054
1980	63.092747338210984
1981	61.97356956637549
1982	61.10768467622829
1983	60.551699073697876
1984	60.24473101034683
1985	60.10012364302535
1986	60.08125907408694
1987	60.10787100239464
1988	60.12689294191592
1989	60.053667448498196
1990	59.823910437186775
1991	59.39614323129274
1992	58.75428704880918
1993	57.930505064334035
1994	56.93328270002136
1995	55.801122025062675
1996	54.561405626314006
1997	53.220704220403626
1998	51.78690489820384
1999	50.29679387416136
2000	48.794401903632384
2001	47.29659007720274
2002	45.805425255071675
2003	44.33587704315974
2004	42.9236106846571
2005	41.58079269630865
2006	40.33358446054164
2007	39.207670563716654
2008	38.206563342375944
2009	37.29072169363391
2010	36.42084750600794
2011	35.60993707872787
2012	34.858996286470834
2013	34.16254308338919
2014	33.51087656766472
2015	32.87828987470571
2016	32.27609960957303
2017	31.75732559481972
2018	31.307289368130313
2019	30.847528778796647
2020	30.34273410831493
2021	29.814406509594694
2022	29.266628893598863
2023	28.67103315960218