Year	% of total population
1960	41.3229316364077
1961	40.7845156838058
1962	40.250000980568
1963	39.66675270665421
1964	39.0841594049974
1965	38.49787121047546
1966	37.92687098229058
1967	37.387862938854695
1968	36.88256539891774
1969	36.42881904622735
1970	35.981917225665526
1971	35.535734223937695
1972	35.12450583677856
1973	34.73225396903223
1974	34.35224490152714
1975	34.015347191523084
1976	33.70788535415559
1977	33.380878621810965
1978	33.04441195274655
1979	32.71988688517818
1980	32.41101398293705
1981	32.138500475653075
1982	31.9411683283189
1983	31.777956975248266
1984	31.64455725659375
1985	31.521342493200365
1986	31.370888592696602
1987	31.16179541896192
1988	30.956950497751258
1989	30.802901003378473
1990	30.633321020316895
1991	30.440963078959932
1992	30.284072446640128
1993	30.15428204609999
1994	30.013929173232803
1995	29.873135423632633
1996	29.73316281325496
1997	29.598452575013592
1998	29.46682468717708
1999	29.330210536099106
2000	29.174209142021606
2001	28.987683460031906
2002	28.75951689786938
2003	28.53715326908812
2004	28.318819920566586
2005	28.10003899613332
2006	27.88335928066382
2007	27.66363582397812
2008	27.445028192351746
2009	27.236690341767968
2010	27.02784589793586
2011	26.832176736271077
2012	26.643378465223744
2013	26.46088285164499
2014	26.282523719485873
2015	26.092227688048464
2016	25.895375703333116
2017	25.692973324022844
2018	25.483064604921555
2019	25.261336622253555
2020	25.03945993185521
2021	24.803569284419304
2022	24.534553791266422
2023	24.287273390512425