Year	% of total population
1960	3.829146706890069
1961	3.8235383165974284
1962	3.8300763428473177
1963	3.8364875315189986
1964	3.8457839756001304
1965	3.866109544154017
1966	3.8930699278763194
1967	3.9239650772925274
1968	3.9584968161452188
1969	3.992026163790417
1970	4.023323699439218
1971	4.057216105331134
1972	4.097351178645754
1973	4.142016132153575
1974	4.194189430028875
1975	4.249806062858338
1976	4.304148802288218
1977	4.359319804271302
1978	4.41560568636771
1979	4.4684939380642295
1980	4.504174678854401
1981	4.518375939178327
1982	4.521030360964696
1983	4.524531166754387
1984	4.535956843676015
1985	4.552421750321045
1986	4.574008380064736
1987	4.6015399605504115
1988	4.63830775360117
1989	4.687873540367632
1990	4.742997486373839
1991	4.801112002481846
1992	4.8686849338146345
1993	4.947109648475721
1994	5.0256076361745885
1995	5.10242331839502
1996	5.177668742457462
1997	5.252339730884703
1998	5.3307512035624125
1999	5.408027484154296
2000	5.4856102914075
2001	5.567991635542779
2002	5.656148716755402
2003	5.744030497900681
2004	5.82301375820102
2005	5.8951547027352476
2006	5.963794321494328
2007	6.019793197224578
2008	6.060612357793471
2009	6.1005406065438885
2010	6.14919380758618
2011	6.220394774552664
2012	6.315918630691281
2013	6.428828937049282
2014	6.567845785503642
2015	6.738279876610086
2016	6.924429589636354
2017	7.129064983264573
2018	7.349693792733849
2019	7.57637764103669
2020	7.796352118022207
2021	7.977045937108487
2022	8.14605169738764
2023	8.35397525032216