Year	% of total population
1960	3.1129868906950047
1961	3.1043570832694027
1962	3.098912744136162
1963	3.0933188662655007
1964	3.0877074123976858
1965	3.082005845068649
1966	3.076226163362164
1967	3.070468658388473
1968	3.066004944556582
1969	3.0627674078058815
1970	3.0590769880931643
1971	3.0548993478257986
1972	3.051281100878342
1973	3.049445661151191
1974	3.0485125233111114
1975	3.0478271673671125
1976	3.050016880276576
1977	3.0539611158573097
1978	3.0585262510333746
1979	3.0637214917947957
1980	3.0613984433722057
1981	3.0547044703324704
1982	3.0513609583967742
1983	3.0462964845452274
1984	3.0412757881114842
1985	3.0395023643155787
1986	3.036864070233156
1987	3.03607461505667
1988	3.03351921147429
1989	3.0273529733688296
1990	3.02268220003954
1991	3.019496057134099
1992	3.0159889600399152
1993	3.0098613147185533
1994	2.9999840370139514
1995	2.988446248818558
1996	2.9795809829931477
1997	2.9717162276744755
1998	2.9624629861950726
1999	2.9538608568601057
2000	2.9478651865580834
2001	2.9433428112526965
2002	2.9393240341598452
2003	2.9350466401672377
2004	2.9306409012789287
2005	2.9272107812056283
2006	2.9245275392316348
2007	2.9222270174715237
2008	2.9203711170788944
2009	2.921211738564323
2010	2.9267171020302283
2011	2.935627839453417
2012	2.945716829843542
2013	2.9537615436175138
2014	2.9595193362214895
2015	2.968516785143995
2016	2.983827755079133
2017	3.002631247010721
2018	3.0237011422351947
2019	3.045973900729969
2020	3.05747155108473
2021	3.051095122555196
2022	3.042272817026858
2023	3.0477227128711633