Year	% of total population
1960	3.730844139198531
1961	3.670704192471834
1962	3.635263021201575
1963	3.5930865359532183
1964	3.5501412618142933
1965	3.5279632315771834
1966	3.5303034679294436
1967	3.552710857341064
1968	3.582233181130827
1969	3.6112577899426324
1970	3.6409634665294988
1971	3.6736836582758006
1972	3.707747543568027
1973	3.749162677562719
1974	3.80535164585061
1975	3.866580328142522
1976	3.925676990867503
1977	3.9895749566894976
1978	4.069146496833885
1979	4.1608389365457406
1980	4.246519504333924
1981	4.320255874461452
1982	4.3857382037484784
1983	4.4472799132674705
1984	4.512206504337065
1985	4.584916729645879
1986	4.658793462721313
1987	4.726999003904835
1988	4.7999701458307955
1989	4.888265883123182
1990	4.979783252857745
1991	5.066256682245426
1992	5.165524400537749
1993	5.287634765598289
1994	5.417287662187232
1995	5.554030844112803
1996	5.6940861895182735
1997	5.837889579651861
1998	6.004408793654677
1999	6.179339012055541
2000	6.347817962981398
2001	6.515242830132467
2002	6.678764474260568
2003	6.833479310045015
2004	6.972634458962871
2005	7.107336979275826
2006	7.248142884569282
2007	7.379554032224767
2008	7.497241551335573
2009	7.61674696129526
2010	7.750990544263087
2011	7.909713939370063
2012	8.093590098214532
2013	8.30678588100571
2014	8.556163504492313
2015	8.861379210483387
2016	9.201390441627838
2017	9.583364156023613
2018	10.001457917113731
2019	10.430529455663569
2020	10.882268171881696
2021	11.30586485527512
2022	11.746759184713234
2023	12.186526101312921