Year	% of total population
1960	55.9438521735123
1961	55.7924549379349
1962	55.650640196462
1963	55.5176002115832
1964	55.3947123942868
1965	55.284694613006
1966	55.1927653712771
1967	54.8491005231124
1968	54.2649885833249
1969	53.7138542112685
1970	53.2035279599719
1971	52.7330950042411
1972	52.2990370401425
1973	51.8974913506236
1974	51.5223729739341
1975	51.1958756105182
1976	50.9716843430605
1977	50.8556242685032
1978	50.7935244021806
1979	50.7442014380711
1980	50.6988133599304
1981	50.6566143995756
1982	50.615997457671
1983	50.574875631481
1984	50.5332534147096
1985	50.5157119732393
1986	50.5791987314081
1987	50.6594409805178
1988	50.7017516538014
1989	50.7419821616431
1990	50.7806850150389
1991	50.8177877233728
1992	50.8551218800898
1993	50.8959531747387
1994	50.9380093183338
1995	50.9810095657933
1996	51.0250637052465
1997	51.0558005534886
1998	51.0731809759982
1999	51.0868033634818
2000	51.093799252488
2001	51.0948634965313
2002	51.0933981599312
2003	51.0928586122637
2004	51.0944985957376
2005	51.0990055749298
2006	51.1093799006465
2007	51.0775839251008
2008	51.0329752071915
2009	51.0085015247597
2010	50.9700422247567
2011	50.9257355311956
2012	50.8762759658503
2013	50.8287852246377
2014	50.7873553508378
2015	50.7554090802026
2016	50.7296144545943
2017	50.7070109558711
2018	50.6870056055072
2019	50.6692270573509
2020	50.6594649749346
2021	50.6587465712655
2022	50.6685893335357
2023	50.6837693396352