Year	% of total population
1960	3.240762416429261
1961	3.2608769810644525
1962	3.2909959988685555
1963	3.326871546608342
1964	3.363661624064264
1965	3.4018794195830777
1966	3.442268487633039
1967	3.4833746324045616
1968	3.5236865703503373
1969	3.561246255776349
1970	3.596218731649241
1971	3.6390154066366844
1972	3.691184452432323
1973	3.744814771862034
1974	3.799818010995788
1975	3.8574454056543206
1976	3.9158293978543073
1977	3.972968267780376
1978	4.027993127954986
1979	4.078910737385569
1980	4.119728688596861
1981	4.15184698489022
1982	4.182198567776404
1983	4.212668498305721
1984	4.246296722156298
1985	4.286164158045976
1986	4.334711674488368
1987	4.392461273080026
1988	4.457075696270931
1989	4.527593022276996
1990	4.600979341027894
1991	4.677842726919064
1992	4.75990747581073
1993	4.846881071101691
1994	4.939662840707705
1995	5.034041796580396
1996	5.128573399764901
1997	5.224288498926104
1998	5.320211064608019
1999	5.416715030596432
2000	5.514838046324429
2001	5.617109557358306
2002	5.724679649278787
2003	5.835538952950225
2004	5.9498655062624195
2005	6.069275122211706
2006	6.193455061622819
2007	6.318930222248441
2008	6.4469226802545325
2009	6.578878270381499
2010	6.706597495536743
2011	6.843438953622035
2012	6.9949578894462885
2013	7.158745073028426
2014	7.33876993831403
2015	7.532170291993699
2016	7.730987600818802
2017	7.940071915262072
2018	8.164973974097624
2019	8.39445254652575
2020	8.604173511911071
2021	8.793878432853552
2022	9.004076294999624
2023	9.26416237509509