Year	% of total population
1960	58.3302404169338
1961	58.0108299070069
1962	57.3950350567709
1963	56.7376886429457
1964	55.5841386802782
1965	54.1581405655445
1966	53.2642969412256
1967	53.1578534305347
1968	53.5385865192052
1969	53.5793474683162
1970	53.6210255001796
1971	53.6426737358947
1972	53.6171658696199
1973	53.9468470813308
1974	53.9799911959338
1975	53.4930275887214
1976	52.62312129823
1977	51.5348146937704
1978	50.4465721675604
1979	50.0975233036575
1980	50.0112151780748
1981	49.5399765905247
1982	49.0816469734618
1983	48.6643943766266
1984	48.3138580662924
1985	48.0416359289314
1986	47.845994382591
1987	47.7182445648896
1988	47.6498004675109
1989	47.6345671591325
1990	47.6841211626926
1991	47.9521419361265
1992	48.3873127941074
1993	48.7847299436675
1994	49.1759030925545
1995	49.611670733301
1996	50.0752890243726
1997	50.5425429644907
1998	50.9793331649876
1999	51.3842817996907
2000	51.7791378146304
2001	52.1489525839444
2002	52.4684845149736
2003	52.7327294002562
2004	52.9561420896223
2005	53.1225527057267
2006	53.2360883295034
2007	53.3368721659896
2008	53.4540890863973
2009	53.6012252524317
2010	53.7665248763655
2011	53.9276465071531
2012	54.0836228817085
2013	54.2419757885793
2014	54.4131591129284
2015	54.6137080549762
2016	54.8473291700996
2017	55.1352212557914
2018	55.473752756234
2019	55.8343460005334
2020	56.2173707280581
2021	56.6261031939792
2022	57.0667120068219
2023	57.5253551864805