Year	% of total population
1960	5.24080609221978
1961	5.61318712172591
1962	5.99761507410921
1963	6.12894006111234
1964	6.02123880338799
1965	5.95125091208895
1966	5.91273742307501
1967	5.89068408617281
1968	5.88074419368249
1969	5.8107421662954
1970	5.67479429112216
1971	5.54440077091026
1972	5.42891719712531
1973	5.32710883518142
1974	5.23888865213506
1975	5.1625455217318
1976	5.08994107258297
1977	5.01114138107339
1978	4.9255260949533
1979	4.85218842461423
1980	4.78251010142657
1981	4.69868406602726
1982	4.60248838672419
1983	4.4991092811399
1984	4.40568011574801
1985	4.32133251134852
1986	4.23107732731208
1987	4.13081563382466
1988	4.02288873747391
1989	3.92231889060127
1990	3.83477072849355
1991	3.75057412776328
1992	3.66562657123752
1993	3.58455216387707
1994	3.52149164646435
1995	3.48557406053683
1996	3.46709189052508
1997	3.45133863596907
1998	3.43612878788981
1999	3.41935052167244
2000	3.42434524646167
2001	3.45342819160876
2002	3.48354006175295
2003	3.51836423760662
2004	3.571702977483
2005	3.64891345332919
2006	3.72572583275803
2007	3.77975800982713
2008	3.80745191280949
2009	3.81315946132176
2010	3.80739087962346
2011	3.79848301938364
2012	3.79109129983394
2013	3.79396050160387
2014	3.80438349227347
2015	3.83906088492835
2016	3.8797948675292
2017	3.92996901353815
2018	4.01394947077915
2019	4.12313710167538
2020	4.26028318310069
2021	4.41871597094495
2022	4.6106717169369
2023	4.84738653437986
