Year	% of working-age population
1960	75.66587602544152
1961	76.7801084744737
1962	78.36634866622106
1963	79.75126311698406
1964	81.05267181408149
1965	82.01484022635557
1966	82.48211484754582
1967	82.63000396958687
1968	82.3853183110584
1969	81.64755267985898
1970	80.37524938168286
1971	78.66958611639463
1972	76.6338731209008
1973	74.39247806220284
1974	72.09225815483691
1975	69.77161231809374
1976	67.48873782741227
1977	65.38683201176494
1978	63.59240069084628
1979	62.12630348044539
1980	60.984280961934026
1981	60.12423453669823
1982	59.49016451739691
1983	59.04784344849823
1984	58.69628240635081
1985	58.30335989000872
1986	57.77838844615432
1987	57.08845768424888
1988	56.269513911116206
1989	55.43975154533276
1990	54.559132594573946
1991	53.619248968086175
1992	52.80521463385989
1993	52.180124078738686
1994	51.711824516248704
1995	51.344084470472836
1996	50.9757961197957
1997	50.574041976283226
1998	50.14550859668206
1999	49.779728189688896
2000	49.44605064034513
2001	49.033504430941335
2002	48.70219379754111
2003	48.38770517720543
2004	47.9325638412165
2005	47.389435225395715
2006	46.80176536688906
2007	46.371239532162484
2008	46.34977722905148
2009	46.62660797103778
2010	46.756202320661586
2011	46.69037971043818
2012	46.666241848807324
2013	46.676449864642215
2014	46.700606906468735
2015	46.70950587192555
2016	46.690566812489145
2017	46.79913556942524
2018	47.09582412958873
2019	47.55610092636967
2020	48.21289964886343
2021	48.981711064488096
2022	49.70392498724273
2023	50.23414649739215