Year	% of working-age population
1960	6.977139711719548
1961	6.883284970438994
1962	6.849902425988876
1963	6.846459959027749
1964	6.837013889932001
1965	6.833961006676242
1966	6.865435754476281
1967	6.913364652316944
1968	6.966247873604841
1969	7.021058003651537
1970	7.0673737582698
1971	7.125944630265621
1972	7.179061106158023
1973	7.2467711939432355
1974	7.358722400533864
1975	7.484224980674379
1976	7.603805961109903
1977	7.691245099833628
1978	7.736412033304216
1979	7.794017676315806
1980	7.8591439718604255
1981	7.914485734088568
1982	7.973117956891821
1983	8.009196994057936
1984	8.03394713728187
1985	8.084514836051676
1986	8.152433692215734
1987	8.22960392095856
1988	8.323072348060114
1989	8.452525181252259
1990	8.612197351268728
1991	8.773610390394792
1992	8.947616802290389
1993	9.152428025999647
1994	9.360304809484619
1995	9.567722149737275
1996	9.771705716664146
1997	9.969360796908012
1998	10.199511506267156
1999	10.444155897458394
2000	10.677215908335747
2001	10.904156106648218
2002	11.109918970574737
2003	11.295390425136901
2004	11.453765279685003
2005	11.60386276581018
2006	11.790766845624617
2007	11.995764655504983
2008	12.186935923983452
2009	12.383374529888588
2010	12.59571613619544
2011	12.840207911614922
2012	13.157625609183372
2013	13.550511731462294
2014	14.001928342155383
2015	14.522270661750444
2016	15.079980845135198
2017	15.706231188778192
2018	16.382708604348984
2019	17.066184637137344
2020	17.774316716809825
2021	18.418430641428838
2022	19.078845899628895
2023	19.740127330390525