Year	% of total population
1960	3.3094012780102586
1961	3.416999046659098
1962	3.5252017299050835
1963	3.6345102056082115
1964	3.745192407386703
1965	3.8557588294252034
1966	3.9683754113068117
1967	4.076780988668366
1968	4.180056558591227
1969	4.284010398219484
1970	4.388470870050705
1971	4.49627296360147
1972	4.682551305942462
1973	4.951584429092797
1974	5.237256420221302
1975	5.546044190749558
1976	5.886271900636018
1977	6.251747318046605
1978	6.648876848674945
1979	7.179743621946981
1980	7.830967376228223
1981	9.19158293512574
1982	10.65822955706364
1983	11.330561006743842
1984	11.543696282763841
1985	11.79542363121932
1986	12.444908054234306
1987	13.160484823920118
1988	13.670240940880978
1989	13.893869186730686
1990	14.486671835535713
1991	15.064419194229368
1992	14.02689113014354
1993	12.61739704193731
1994	11.944126238106623
1995	11.74678322168972
1996	11.780140933949742
1997	11.834917202766524
1998	11.893956091374895
1999	11.93000702336472
2000	12.286297966195741
2001	12.740737903984389
2002	12.479866912098595
2003	12.091610867325556
2004	12.032414984899729
2005	11.901008844672921
2006	11.705331741484004
2007	11.786212112502573
2008	11.843267990678847
2009	11.715709449596456
2010	11.66741138385718
2011	11.527351027586882
2012	11.345242750237073
2013	11.233659432648887
2014	11.10235262580843
2015	11.031576311540324
2016	11.020955614452818
2017	10.979017219953485
2018	10.935191266697021
2019	10.892466431709883
2020	10.83215407483739
2021	10.812539080948268
2022	10.838840771585419
2023	10.86335667732185