Year	% of total population
1960	4.37718084521213
1961	4.37310390026687
1962	4.37878790879379
1963	4.3981902324125
1964	4.43977856534172
1965	4.50476229078328
1966	4.59143209614493
1967	4.69959197171957
1968	4.81967503777067
1969	4.9393867999808
1970	5.05678615541755
1971	5.20943037324992
1972	5.3983523367162
1973	5.59566875335122
1974	5.80821600267839
1975	6.03785069103054
1976	6.28438883925214
1977	6.54581568006064
1978	6.81558055764831
1979	7.08660337886205
1980	7.35253474143977
1981	7.54865647624341
1982	7.67380795871418
1983	7.79572281907806
1984	7.92173176220369
1985	8.04606778500183
1986	8.16136126493335
1987	8.26306223255553
1988	8.35098168104864
1989	8.43475564744884
1990	8.52037983641175
1991	8.60833660325568
1992	8.69747698110156
1993	8.78577897439464
1994	8.90350522882063
1995	9.05306019574249
1996	9.20770451164463
1997	9.36780701517504
1998	9.53443513986803
1999	9.7076361904589
2000	9.8951078766024
2001	10.1143249376724
2002	10.3630681722044
2003	10.6140768591233
2004	10.8657104720059
2005	11.1379761933767
2006	11.4194987314209
2007	11.7173668200932
2008	12.0364508514927
2009	12.3520530772118
2010	12.6661259426412
2011	12.9873227568757
2012	13.30431883876
2013	13.6054867609241
2014	13.8797554823824
2015	14.1426851079913
2016	14.4083789722837
2017	14.6866665402303
2018	14.9885939956802
2019	15.2863470359924
2020	15.5518048531162
2021	15.6703413999492
2022	15.8088370060767
2023	16.1044192527922