Year	% of total population
1960	2.60547859293752
1961	2.53860635263677
1962	2.50656578191489
1963	2.4972173006823
1964	2.49419840028067
1965	2.49402817022872
1966	2.49384906095298
1967	2.48985450558469
1968	2.49136876676711
1969	2.51402747293594
1970	2.56077034044897
1971	2.63117744827154
1972	2.72544791665027
1973	2.82849140134781
1974	2.92260727590996
1975	3.00244526851431
1976	3.0686988219769
1977	3.11976746560366
1978	3.16143506337586
1979	3.20577990984939
1980	3.25574345949647
1981	3.31231083334712
1982	3.37560188171441
1983	3.43798184016609
1984	3.49315770845706
1985	3.54074477094625
1986	3.58010031660661
1987	3.61068596640338
1988	3.63710418444822
1989	3.66649397911915
1990	3.70012264333596
1991	3.73812863624624
1992	3.78038289371215
1993	3.82397404482932
1994	3.86596550062554
1995	3.90748063951093
1996	3.94533088891634
1997	3.97358909538969
1998	3.99979743740435
1999	4.03834079515154
2000	4.10001024181581
2001	4.18537032776424
2002	4.28849066447081
2003	4.39706498273009
2004	4.49589821628471
2005	4.5857362977026
2006	4.67518462215667
2007	4.76898796381824
2008	4.87305559615643
2009	4.99272890396937
2010	5.11214482787655
2011	5.23223698302088
2012	5.3700341954743
2013	5.52344659908645
2014	5.69231980890569
2015	5.87638270604472
2016	6.07478623166133
2017	6.28874218213608
2018	6.51891663675216
2019	6.76091233270972
2020	7.01171985186864
2021	7.25048898513304
2022	7.50252337176832
2023	7.78656470950004