Year	% of total population
1960	54.5199332050031
1961	54.4524568540793
1962	54.347699402269
1963	54.1560732003859
1964	53.9184751311998
1965	53.6926121049035
1966	53.4685228365498
1967	53.24296586038
1968	53.0206838212224
1969	52.8280218912938
1970	52.6935764747897
1971	52.6174852466406
1972	52.5758218938527
1973	52.5303072495684
1974	52.4569343343223
1975	52.3668215596162
1976	52.5737362254277
1977	52.9233269057026
1978	53.01000225106
1979	52.8572876550149
1980	52.5022369249778
1981	52.0124259688273
1982	51.4438538112789
1983	50.83701063682
1984	50.2203810264915
1985	49.6249676964495
1986	49.0781652543688
1987	48.8420896762915
1988	49.4441009950655
1989	50.0966985528934
1990	50.2888386971187
1991	50.5394255715516
1992	50.8724140441032
1993	51.2531682622874
1994	51.6490095661697
1995	52.0290475485667
1996	52.3623271599262
1997	52.6291152720068
1998	52.7578427125561
1999	52.6752589977642
2000	52.4295834382461
2001	52.1056444479893
2002	51.8988178906493
2003	51.8996380692885
2004	52.0157682144729
2005	52.2021178990328
2006	52.4253215192334
2007	52.6777942778982
2008	52.9430177886536
2009	53.2079342048719
2010	53.4836720495158
2011	53.5716601197779
2012	53.513860740031
2013	53.542428563815
2014	53.7166540725663
2015	54.0019996829223
2016	54.2858448497677
2017	54.5606308077198
2018	54.8517035692552
2019	55.1620780852478
2020	55.4807930488641
2021	55.7989812232941
2022	56.1281516504876
2023	56.4731828403136