Year	% of total population
1960	46.3442926440606
1961	46.9227677225578
1962	47.3307295135688
1963	47.5248532209978
1964	47.485034595351
1965	47.2282969545858
1966	46.7856746375364
1967	46.2045601387425
1968	45.5502201369288
1969	44.8835074699736
1970	44.2619569904569
1971	43.7718826961285
1972	43.4243081328274
1973	43.0176198893767
1974	42.4162500364518
1975	41.6691199037913
1976	40.8509452422855
1977	40.0338298365087
1978	39.2899713922441
1979	38.6829421107881
1980	38.2382443639731
1981	37.9433638075513
1982	37.7187801395109
1983	37.4693407477725
1984	37.1854650133686
1985	36.895680028093
1986	36.6276426089624
1987	36.4114979470956
1988	36.2492827464402
1989	36.1194229780494
1990	36.003283351309
1991	35.9968131623805
1992	36.18381092621
1993	36.3736464439629
1994	36.3921140114854
1995	36.2399154789249
1996	35.9083724150544
1997	35.3926216815925
1998	34.723920631574
1999	33.9655612615409
2000	33.1650827352726
2001	32.3376331810705
2002	31.4988934073556
2003	30.6688848435719
2004	29.8623566243735
2005	29.0951481726397
2006	28.3780122744147
2007	27.7073044513708
2008	27.0803863035926
2009	26.4970754090969
2010	25.9553973273745
2011	25.5067172097055
2012	25.1560371242936
2013	24.8469465208494
2014	24.5369081448485
2015	24.2024599198218
2016	23.8681765470875
2017	23.5443952900054
2018	23.2306985558673
2019	22.931821476389
2020	22.6386326334258
2021	22.3464377050248
2022	22.0554942466785
2023	21.7579860493433