Year	% of total population
1960	51.9169458018158
1961	51.8349992150296
1962	51.7576282073224
1963	51.6841069007635
1964	51.6147268872667
1965	51.5497148135831
1966	51.4881969983687
1967	51.4295261852362
1968	51.3739951482175
1969	51.3220129155407
1970	51.273308558165
1971	51.2271537293921
1972	51.1836397943678
1973	51.1433694403733
1974	51.1064603101683
1975	51.0728046308639
1976	51.0419776090123
1977	51.0141833948765
1978	50.9783936176149
1979	50.9212544322435
1980	50.8525878597678
1981	50.7838276247076
1982	50.6956134979876
1983	50.5966317065987
1984	50.4611914109823
1985	50.2894868743722
1986	50.1621964308172
1987	50.0845607346409
1988	50.0353350424618
1989	50.0185043466007
1990	50.0092474882176
1991	50.0034945943604
1992	49.9981546652592
1993	50.0125751940907
1994	50.0367537755842
1995	50.0609723713727
1996	50.0928150809673
1997	50.1262169231133
1998	50.1566797879342
1999	50.1888999066441
2000	50.2248940310133
2001	50.2597996651062
2002	50.2955868728457
2003	50.3308349300711
2004	50.3649152520569
2005	50.3953453151876
2006	50.4204505579229
2007	50.4490180614432
2008	50.474535723593
2009	50.4941463683427
2010	50.5162919242196
2011	50.5323350002874
2012	50.5444196554515
2013	50.5578971307029
2014	50.5678652875746
2015	50.5768187173721
2016	50.5853917549344
2017	50.5807159122618
2018	50.5627912220379
2019	50.5445121207459
2020	50.5290587682563
2021	50.5115953924768
2022	50.4912777481243
2023	50.4729372407395