Year	% of total population
1960	54.6832573125248
1961	54.1772392904459
1962	53.6455699641395
1963	53.0914080024258
1964	52.490711149036
1965	51.943487597971
1966	51.4796369718602
1967	51.0461084275718
1968	50.6591668131482
1969	50.3370690047063
1970	50.023935683041
1971	49.8385879729949
1972	49.9212653353877
1973	50.1332159359901
1974	50.363171921712
1975	50.5913507347733
1976	50.8112499063375
1977	51.0433952447016
1978	51.2817261332623
1979	51.4962730091364
1980	51.6916382159451
1981	51.8522858801409
1982	51.9669890485822
1983	52.0434003166964
1984	52.0646927925195
1985	52.01818422343
1986	51.9041650175535
1987	51.7476669518406
1988	51.591339100919
1989	51.4474804751048
1990	51.3180829152977
1991	51.1869974957662
1992	51.0727047291563
1993	50.9695592655145
1994	50.874192014563
1995	50.8377058280102
1996	50.8522163074741
1997	50.8968273191589
1998	50.96746154583
1999	51.0438808745836
2000	51.1311717620685
2001	51.2247450969247
2002	51.3162561485798
2003	51.4080690099517
2004	51.4923745912938
2005	51.5603022853604
2006	51.6102656831929
2007	51.6453668070737
2008	51.6591850954488
2009	51.6578678898584
2010	51.6564743932546
2011	51.6624135224408
2012	51.6677043511385
2013	51.6700461490767
2014	51.6790607488963
2015	51.6936352575454
2016	51.7355793759201
2017	51.8098504837757
2018	51.8945205199553
2019	51.9984151371403
2020	52.1034231104574
2021	52.2264253212768
2022	52.3848135941605
2023	52.5668576276123