Year	% of total population
1960	54.8583212933985
1961	55.0625091267209
1962	55.2288100972443
1963	55.2925386139727
1964	55.2883253110941
1965	55.1289114490982
1966	54.8186960477351
1967	54.5284257743072
1968	54.264501877477
1969	54.0281961031356
1970	53.8148164444179
1971	53.6274511305019
1972	53.4758313367578
1973	53.3536285253392
1974	53.2433190715815
1975	53.1324373633145
1976	53.0261191262007
1977	52.9393846195078
1978	52.8740899431197
1979	52.8244172165754
1980	52.7919038903631
1981	52.7686233447921
1982	52.7374074517196
1983	52.6949582859789
1984	52.6434577957493
1985	52.5791993386837
1986	52.5160012648674
1987	52.4373542602802
1988	52.3364574813336
1989	52.2198539910562
1990	52.0622476697241
1991	52.0015741312855
1992	51.8699968196182
1993	52.0608583896545
1994	52.1956425948592
1995	53.125816299261
1996	53.6988088063395
1997	52.9994619388269
1998	52.4694075372182
1999	52.1168999563543
2000	51.905204587193
2001	52.1799899387736
2002	52.6294013089301
2003	53.2666789905218
2004	53.836297443542
2005	53.8249205786423
2006	53.5699541646745
2007	53.3330371552551
2008	53.5264735032083
2009	53.7296587943531
2010	53.8097490665487
2011	53.9778710986822
2012	54.0932227672911
2013	54.1749902240861
2014	54.0793609002761
2015	53.9344390399299
2016	53.9528643540857
2017	54.1076317960937
2018	54.4998373906813
2019	54.9993026216282
2020	55.578469167022
2021	56.210707806399
2022	56.7901903118907
2023	57.3115217884492