Year	% of total population
1960	55.4973504186351
1961	55.5751651518353
1962	55.6180090700371
1963	55.5842698127963
1964	55.4463348831758
1965	55.2007366025559
1966	54.9132343684514
1967	54.6518071700201
1968	54.417861714277
1969	54.2111392818328
1970	54.0283588830154
1971	53.8631120746301
1972	53.7141660589927
1973	53.5828930444065
1974	53.4650224672992
1975	53.3541054880497
1976	53.2453792257816
1977	53.135436710716
1978	53.0265814228595
1979	52.9261320878266
1980	52.8295004880711
1981	52.7362171991394
1982	52.6601145102167
1983	52.538899701302
1984	52.325268154365
1985	52.0534632115106
1986	51.7697591970566
1987	51.4427669166049
1988	51.9629049868128
1989	52.4918224320163
1990	52.1361273229426
1991	51.849693405942
1992	51.5152908965136
1993	51.1279654097184
1994	50.8197865663542
1995	50.5415413022434
1996	50.1963607753896
1997	49.9312941856749
1998	50.046969559795
1999	50.3018301255781
2000	50.4246218439774
2001	50.4833580970692
2002	50.3936413150896
2003	50.3338140003235
2004	50.6309895939214
2005	51.2250160828731
2006	51.9115346539524
2007	52.6363973581054
2008	53.2964010141334
2009	53.8184375472852
2010	54.4972656369225
2011	55.1416667887006
2012	55.4063598594024
2013	55.4531137181231
2014	54.7562669974172
2015	53.9296273071843
2016	52.9839360822982
2017	51.3617205790964
2018	50.4693526068606
2019	50.8793495121303
2020	51.7018775856862
2021	52.4394641092324
2022	53.2445014683414
2023	54.094917067642