Year	% of total population
1960	54.657937806874
1961	54.4788828337875
1962	54.3007515674957
1963	54.1361680587193
1964	53.9810946158177
1965	53.8530688751602
1966	53.7543808008242
1967	53.684238584769
1968	53.6583684478108
1969	53.6510299492343
1970	53.6436146474851
1971	53.6359057497678
1972	53.6216505076723
1973	53.6060471320587
1974	53.5633060801474
1975	53.4682727107583
1976	53.3458106165405
1977	53.2241488352482
1978	53.11584681942
1979	53.0257101156394
1980	52.9471698799784
1981	52.8736377406977
1982	52.7981985182469
1983	52.7230552194447
1984	52.6590667505478
1985	52.5635167005457
1986	52.427430599569
1987	52.3034819050603
1988	52.1997537412389
1989	52.1063426586582
1990	52.0068279715679
1991	51.9056644410941
1992	51.8165395423525
1993	51.7358498240761
1994	51.6572099238306
1995	51.6083932333623
1996	51.6045648705091
1997	51.6190900981267
1998	51.6358894943681
1999	51.6498808029887
2000	51.6496936359099
2001	51.6364800712784
2002	51.6282109181481
2003	51.6300727392624
2004	51.6371820543797
2005	51.6458318404784
2006	52.002697192439
2007	52.7743090371118
2008	53.5918998584078
2009	54.3607124746087
2010	55.0837308995368
2011	55.7646084819998
2012	56.4116127667151
2013	57.0242159270128
2014	57.3842558154044
2015	57.5076564229009
2016	57.61537648706
2017	57.7061311229738
2018	57.776493696887
2019	57.8036423604779
2020	57.7566198453458
2021	57.6722529374426
2022	57.526246355866
2023	57.3088224850822