Year	% of total population
1960	53.708193964737
1961	53.4990707132139
1962	53.2964184623447
1963	53.1695182328933
1964	53.1184123802246
1965	53.1498321895528
1966	52.9458174043683
1967	52.4505760746991
1968	52.165569698532
1969	52.2203767698798
1970	52.4058601068794
1971	52.6346256767386
1972	52.864166487095
1973	53.0315506478982
1974	53.1982169865647
1975	53.4793064287768
1976	53.8043631370359
1977	54.0877230507111
1978	54.4073120706922
1979	54.7851134576015
1980	55.1557053745
1981	55.4951453004062
1982	55.837582209755
1983	56.4494913609796
1984	57.063822667432
1985	57.451291439862
1986	57.8543828513626
1987	58.268813931822
1988	58.6927482248509
1989	59.116009133362
1990	59.5419012784408
1991	59.9947177547142
1992	60.4512595165962
1993	60.8991301802387
1994	61.348063277731
1995	61.7681302504046
1996	62.1456206117161
1997	62.4911504931686
1998	62.8218132922975
1999	63.1567841826023
2000	63.5091098609784
2001	63.8520457145493
2002	64.2047616891765
2003	64.6107754539074
2004	65.027463641517
2005	65.3968724373347
2006	65.7167557408707
2007	66.0028565237793
2008	66.2800324430239
2009	66.5873711867566
2010	66.9141015729894
2011	67.241640834788
2012	67.5680192839717
2013	67.8680386218327
2014	68.1300279399189
2015	68.3048358685533
2016	68.4396228115479
2017	68.5118362383188
2018	68.349797576189
2019	68.1468811769537
2020	68.1068441709647
2021	68.1407426152799
2022	68.1316855938385
2023	68.0850610733761