Year	% of total population
1960	46.3820250674377
1961	46.6156298004454
1962	46.7077593338687
1963	46.7281258404144
1964	47.0040736348167
1965	47.5597145784862
1966	48.1288904611725
1967	48.5750954180423
1968	48.8427931628163
1969	48.9010996484117
1970	48.7448607331056
1971	48.3688581879773
1972	47.6875301078285
1973	46.8190729466027
1974	45.976297689462
1975	45.1442414969239
1976	44.2993290608007
1977	43.4311663368415
1978	42.546895723707
1979	41.6621175423069
1980	40.7839525261788
1981	39.9841429897914
1982	39.3036619240474
1983	38.7241736490173
1984	38.2396757070386
1985	37.8332341094321
1986	37.4988531291733
1987	37.2299788090217
1988	37.0176269677562
1989	36.8632295807983
1990	36.7665158107938
1991	36.7275188049454
1992	36.7394441987936
1993	36.7928973068955
1994	36.8834654991531
1995	36.6335243618956
1996	35.9906676925746
1997	35.2706472813829
1998	34.4867016495975
1999	33.66623588078
2000	32.8518774067142
2001	32.081880451832
2002	31.3852473238027
2003	30.7651157251181
2004	30.450945214387
2005	30.3953066476567
2006	30.3301102921809
2007	30.2612388388206
2008	30.1756009124655
2009	30.0536864776374
2010	29.8862803984764
2011	29.6803475164653
2012	29.4352999988354
2013	29.1438734491007
2014	28.8180950073901
2015	28.4792562665624
2016	28.1376138742082
2017	27.7954828404613
2018	27.4587364802443
2019	27.1109219465917
2020	26.7681385024668
2021	26.481664707672
2022	26.2452865143951
2023	26.0123564650017