Year	% of total population
1960	53.49007497070568
1961	53.3172059204073
1962	53.17750883851836
1963	53.07992901676746
1964	53.034401083806294
1965	53.030028809386565
1966	53.0528496146676
1967	53.108889165124495
1968	53.200105003520136
1969	53.323122858710256
1970	53.47735283833578
1971	53.66974853605315
1972	53.894364538450844
1973	54.13404415943871
1974	54.38592626197776
1975	54.64507574116695
1976	54.9048525191672
1977	55.169337956362845
1978	55.439335249426925
1979	55.71217334694698
1980	55.99026939884418
1981	56.26676153604973
1982	56.530544772950385
1983	56.784832896366204
1984	57.036717979687914
1985	57.289776103274114
1986	57.54860614440047
1987	57.815511980144485
1988	58.08946410069408
1989	58.36776766299321
1990	58.65886550442391
1991	58.96399142124294
1992	59.27554324737895
1993	59.59232058410851
1994	59.91548713297767
1995	60.246067944119716
1996	60.58732282451225
1997	60.940606882257704
1998	61.29816728673666
1999	61.656100415531306
2000	62.01183205034992
2001	62.36383569829193
2002	62.716347785003165
2003	63.07122243016958
2004	63.42486071919547
2005	63.77015056964806
2006	64.10614862735888
2007	64.43470840057805
2008	64.75642438916358
2009	65.07058488151084
2010	65.38062737777412
2011	65.67072019912496
2012	65.93744416647019
2013	66.19205481056294
2014	66.42173281383106
2015	66.62124841866301
2016	66.80180689039955
2017	66.95809281270428
2018	67.08268007782509
2019	67.19637377340074
2020	67.32323261266787
2021	67.45692741892888
2022	67.57385881425581
2023	67.65787786711509