Year	% of working-age population
1960	93.33735081782598
1961	94.04260383314254
1962	94.62072690051517
1963	95.09564705383036
1964	95.28101439769995
1965	95.07684941081935
1966	94.64105265684891
1967	93.96371142343249
1968	93.00368225141598
1969	91.78576187604607
1970	90.31924942664745
1971	88.68477221675924
1972	86.88809635573578
1973	84.92042418619363
1974	82.88166660454525
1975	80.83400592433479
1976	78.83690243644142
1977	76.84762464775632
1978	74.87266209370257
1979	72.99091123216333
1980	71.19814453389715
1981	69.54100392936293
1982	68.0383098158809
1983	66.65290080286488
1984	65.41933054390302
1985	64.3570928204501
1986	63.45257123272733
1987	62.68131966195097
1988	61.98096561075532
1989	61.31958170254725
1990	60.66794601746689
1991	60.028609496939076
1992	59.36341614154642
1993	58.62527220118243
1994	57.80443763969074
1995	56.924637255538066
1996	56.01133734288577
1997	55.04725855858843
1998	54.05810429234099
1999	53.06153931269878
2000	52.04994764020493
2001	51.01285046069347
2002	49.94317532390532
2003	48.846210692053354
2004	47.71464997398237
2005	46.5519227288434
2006	45.34739306653891
2007	44.113198594467704
2008	42.88732459034458
2009	41.684442903899395
2010	40.52430135850156
2011	39.417740315038834
2012	38.37183291094775
2013	37.38483313470785
2014	36.45506879659337
2015	35.58499498831122
2016	34.75294689758527
2017	33.8684863269838
2018	32.952696991446416
2019	32.141525545825
2020	31.495235575826474
2021	30.99115445274942
2022	30.63958136550807
2023	30.384116857927634