Year	% of total population
1960	48.3545132065563
1961	48.6534796965745
1962	48.8674127174157
1963	48.9860755484662
1964	49.0579943624106
1965	49.1162691872644
1966	49.1071745442383
1967	48.9980750395086
1968	48.7972175984769
1969	48.5176388264154
1970	48.1800413818897
1971	47.7739882748121
1972	47.3122148424875
1973	46.8264029619167
1974	46.3101642194504
1975	45.7616230129188
1976	45.1980228515272
1977	44.6299860328128
1978	44.0608336761932
1979	43.4953407596896
1980	42.969118106953
1981	42.4751208276156
1982	41.9889447651392
1983	41.5400930470442
1984	41.1227989858175
1985	40.7075806446712
1986	40.2952172801928
1987	39.8951651865882
1988	39.512492085768
1989	39.1655053182059
1990	38.8505673443303
1991	38.5445665133638
1992	38.2400967237261
1993	37.9366014640301
1994	37.5911614470036
1995	37.1981814422892
1996	36.7975803742577
1997	36.3827834243509
1998	35.9325694835221
1999	35.470126521541
2000	35.0353301564615
2001	34.6122024245016
2002	34.2111420892154
2003	33.8197427490949
2004	33.3904245732698
2005	32.9293823913491
2006	32.4450613129793
2007	31.952884248654
2008	31.482862842623
2009	31.0495912080158
2010	30.6531874008708
2011	30.2846339720047
2012	29.9415430297384
2013	29.6329564555696
2014	29.33779674707
2015	29.0316430247961
2016	28.7275726836475
2017	28.4383639559683
2018	28.1642785741028
2019	27.8968597574914
2020	27.6233677512044
2021	27.3596205245544
2022	27.1082066407506
2023	26.8284071103146