Year	% of total population
1960	57.0586015442986
1961	57.3136977282386
1962	57.576874056144
1963	57.7407311835117
1964	57.7993404568306
1965	57.7436178973374
1966	57.576166646386
1967	57.4082605154438
1968	57.2448608007083
1969	57.087624634242
1970	56.9302881116916
1971	56.7711394216681
1972	56.6107383076096
1973	56.4486907954682
1974	56.2894885467628
1975	56.1354304020076
1976	55.9862297765291
1977	55.8461105192262
1978	55.7178931947131
1979	55.5966905725091
1980	55.4784681793827
1981	55.3660289146395
1982	55.2611821321073
1983	55.1733098262626
1984	55.1076749651718
1985	55.0608014397517
1986	55.0314985159786
1987	55.0209522475517
1988	55.0299073528898
1989	55.0590857556564
1990	55.0833390038715
1991	55.1174895633334
1992	55.2076769778585
1993	55.358671986299
1994	55.5577404344669
1995	55.8140107973674
1996	56.1287195764046
1997	56.510290473883
1998	56.9660365166901
1999	57.4373456627962
2000	57.9457499655147
2001	58.5734557402268
2002	59.3141404220674
2003	60.1600625249162
2004	61.1091538190529
2005	62.0080262556854
2006	62.7333145688995
2007	63.3927438350326
2008	64.046078432794
2009	64.6589577562699
2010	65.219310958709
2011	65.7236021731862
2012	66.1598110228796
2013	66.5355537918351
2014	66.8988683478259
2015	67.2976587368857
2016	67.7270038538922
2017	68.2961666874967
2018	69.0146195396515
2019	69.746722626225
2020	70.4416535276102
2021	71.0610409312573
2022	71.6030314842387
2023	72.0872921784882