Year	% of working-age population
1960	92.33109619686802
1961	93.52499240022583
1962	94.74771318973148
1963	96.09115171422707
1964	97.48485699386256
1965	98.18444479150398
1966	98.25777373783282
1967	98.48033263421276
1968	98.80828830118456
1969	99.13370211877674
1970	99.46572887431103
1971	100.15504898888265
1972	101.08836067691513
1973	101.82587819054841
1974	102.35846144347718
1975	102.03172500978238
1976	100.99909173478656
1977	100.01425719988595
1978	99.44861599844836
1979	99.225827262708
1980	98.92324538533737
1981	98.51112234580384
1982	97.991082365623
1983	97.33963025369627
1984	96.54213767116993
1985	95.58431163287086
1986	94.43978404422361
1987	93.2036208511081
1988	92.45669131800223
1989	92.10891914420672
1990	91.59056464461976
1991	90.86226884847103
1992	90.39283533482597
1993	90.16105312242189
1994	89.42239083900385
1995	87.73801623360049
1996	85.5229004437746
1997	83.35148155480763
1998	81.20394918755387
1999	78.96636929593735
2000	76.91430562374293
2001	75.30771399041623
2002	73.99248050212846
2003	72.88007174666006
2004	71.7416431642702
2005	70.47913209170815
2006	69.10847067842086
2007	67.59031167281239
2008	66.10332655899028
2009	64.80474240664915
2010	63.28673982000031
2011	62.08010335917312
2012	61.3533700076032
2013	60.52884402205241
2014	59.80534423874646
2015	59.18503868303182
2016	58.7914945251784
2017	58.597710723979944
2018	58.38711519789822
2019	58.25826252522095
2020	58.01372855793762
2021	57.676065171640026
2022	57.39377395428351
2023	57.03013205772927
