Year	% of total population
1960	54.398909976235
1961	54.5062782422389
1962	54.601525042001
1963	54.6251449716669
1964	54.5555240042908
1965	54.4325659045437
1966	54.3063480810306
1967	54.1399881988036
1968	53.9054036810589
1969	53.6394811006565
1970	53.3441474968106
1971	53.0038004481471
1972	52.6586958598828
1973	52.3841873524727
1974	52.2190426072587
1975	52.1042292691455
1976	51.9430699986958
1977	51.7763293671486
1978	51.6454732732121
1979	51.527625783997
1980	51.4141182163828
1981	51.3106194701507
1982	51.2562547037837
1983	51.35974555793
1984	51.5930700517232
1985	51.7327926950837
1986	51.7531409547568
1987	51.6340636628808
1988	51.3846618168303
1989	51.1412303677204
1990	50.9178559575919
1991	50.676744878541
1992	50.4794175155774
1993	50.3470936913803
1994	50.2318550196785
1995	50.1769165420825
1996	50.1359266155255
1997	50.0314766532253
1998	49.9013973590409
1999	49.8173391651729
2000	49.7974064350811
2001	49.8483579125191
2002	49.9804402402539
2003	50.163956750523
2004	50.3618420176761
2005	50.5703673542901
2006	50.8229249081296
2007	51.1058871281992
2008	51.4057212573009
2009	51.7502896211235
2010	52.1455929592968
2011	52.5837429170084
2012	53.0550689892983
2013	53.5423911611062
2014	54.0388138797462
2015	54.5198775990242
2016	54.9846037819991
2017	55.440947150297
2018	55.8517060079077
2019	56.2104262102352
2020	56.5567115524855
2021	56.9005771437775
2022	57.2339347638359
2023	57.54613360968