Year	% of total population
1960	50.3141190099709
1961	50.317738639159
1962	50.3206188927513
1963	50.3039739263163
1964	50.2783334690522
1965	50.2555034421126
1966	50.2210244041019
1967	50.1825686739984
1968	50.1468714008846
1969	50.1098426110543
1970	50.0718518530312
1971	50.0433244856144
1972	50.0260341072516
1973	50.0229237671067
1974	50.0916534231202
1975	50.2171321106367
1976	50.334419711294
1977	50.4538761202022
1978	50.5806946723355
1979	50.7029785324441
1980	50.8161051857711
1981	50.9163693461216
1982	50.9785267293487
1983	50.9410299298148
1984	50.90319300952
1985	50.9351804429284
1986	50.9748860738922
1987	50.9725349783189
1988	50.8708764852178
1989	50.8026827347206
1990	50.8206767605685
1991	50.8454225005641
1992	50.8525206474418
1993	50.7806729256462
1994	50.702418480991
1995	50.6496525937801
1996	50.5769026552307
1997	50.5056151104596
1998	50.4155076178394
1999	50.3442827582973
2000	50.3133321086881
2001	50.2842831512362
2002	50.2558149673863
2003	50.2252174670972
2004	50.1849709779738
2005	50.1400497356568
2006	50.1100386879385
2007	50.0934800026533
2008	50.0779457731192
2009	50.0649732890962
2010	50.0558788898603
2011	50.048059792867
2012	50.0389820281076
2013	50.0270514297247
2014	50.0133434243402
2015	50.0028712763332
2016	49.9955012002006
2017	49.9896484321418
2018	49.9849341862636
2019	49.9805595810501
2020	49.9756753335236
2021	49.9695951582841
2022	49.9635257806191
2023	49.9583570693604