Year	% of total population
1960	63.59551885422682
1961	63.41552388468557
1962	63.22188802203049
1963	63.01863564905445
1964	62.82812970002316
1965	62.67183210225291
1966	62.50647823934198
1967	62.33235606162284
1968	62.15077016936654
1969	61.97035268768494
1970	61.79015611259597
1971	61.57109528008708
1972	61.14754257254171
1973	60.520104934717935
1974	59.90445809571
1975	59.30138030103251
1976	58.71166332868785
1977	58.138903947215155
1978	57.58269486663521
1979	57.043134673975786
1980	56.506702902620866
1981	56.38023179269024
1982	56.22107647732764
1983	56.047290286261735
1984	55.85249451228905
1985	55.63385224145744
1986	55.39961967773454
1987	55.164694179661275
1988	54.91729101826889
1989	54.65771145194428
1990	54.42345238962559
1991	54.28177617964598
1992	54.24327471513215
1993	54.215518683119925
1994	54.18197744055434
1995	54.119198391254855
1996	54.04568670115491
1997	53.97592770200215
1998	53.907452682090224
1999	53.84684086804885
2000	53.787396746372735
2001	53.724767569928396
2002	53.72467036099408
2003	53.7556063177409
2004	53.80048388732572
2005	53.870194703062104
2006	53.93289227370065
2007	53.98866826006933
2008	54.03893790225226
2009	54.08137757828494
2010	54.111791156743706
2011	54.09340826977438
2012	54.02543147721024
2013	53.98306395802091
2014	53.92522358648128
2015	53.85299851783514
2016	53.77364609502658
2017	53.67981876856156
2018	53.68949028876043
2019	53.62315086588225
2020	53.45597957623258
2021	53.341944934648
2022	53.189551904843164
2023	53.0227688397841