Year	% of total population
1960	8.482163348625507
1961	8.489225540441206
1962	8.495675031519134
1963	8.501338198218777
1964	8.506034547910007
1965	8.507141181340806
1966	8.50686855896574
1967	8.505623165759756
1968	8.503477043236376
1969	8.502217916561685
1970	8.503337033655338
1971	8.507483426534876
1972	8.51490033132239
1973	8.527586633950225
1974	8.535014326462655
1975	8.54417155973667
1976	8.555547385983978
1977	8.565281040816936
1978	8.573793604164793
1979	8.584284843304808
1980	8.596276297869755
1981	8.610925128388667
1982	8.631881921512694
1983	8.645331835000542
1984	8.65406255415193
1985	8.669307410695257
1986	8.695117205902001
1987	8.730968195130872
1988	8.775708309116922
1989	8.82568062092785
1990	8.880889520140038
1991	8.944976212578139
1992	9.016865176628063
1993	9.091989428046157
1994	9.170021505247323
1995	9.251573675543291
1996	9.33566439766569
1997	9.420314442498311
1998	9.508525943990932
1999	9.603041505863597
2000	9.706295346961765
2001	9.815612472380097
2002	9.929953014432158
2003	10.051269179484494
2004	10.181776985243664
2005	10.320300878767204
2006	10.466611881308113
2007	10.617081860832615
2008	10.786949404719763
2009	10.958760348390264
2010	11.114080163774007
2011	11.265899891558352
2012	11.416388306347592
2013	11.567614445126665
2014	11.723505806537208
2015	11.885304291634661
2016	12.050911397362258
2017	12.222566020979706
2018	12.401777738486151
2019	12.537299059061077
2020	12.671188272929673
2021	12.809004499119336
2022	12.947893795465006
2023	13.08604454648638