Year	% of total population
1960	52.9573735148689
1961	53.1023548196201
1962	53.2540469111331
1963	53.3858379885426
1964	53.5081240768095
1965	53.6244265735564
1966	53.7332255743936
1967	53.8290203012888
1968	53.91157016715
1969	53.9855638533888
1970	54.0508313147297
1971	54.1033851124284
1972	54.1345231641716
1973	54.1555697179083
1974	54.1752530554583
1975	54.195661841619
1976	54.2213929142636
1977	54.2460131332083
1978	54.2593769866497
1979	54.2679072937219
1980	54.2850453115937
1981	54.2939427817763
1982	54.239146687933
1983	54.1400230335915
1984	54.0422578511473
1985	53.946758269216
1986	53.8537519309009
1987	53.764639563842
1988	53.6798668451831
1989	53.5991899803405
1990	53.5227238019609
1991	53.4428963166086
1992	53.350924243735
1993	53.2532761061139
1994	53.1604638018737
1995	53.0714116156297
1996	52.9846895452586
1997	52.9039158405568
1998	52.8292810914815
1999	52.7539023681756
2000	52.6814324131694
2001	52.6133682369376
2002	52.542860678691
2003	52.4673417220975
2004	52.3931853931493
2005	52.3253626093145
2006	52.2598763975022
2007	52.1967112697625
2008	52.1348630151235
2009	52.0743714627566
2010	52.0150080923513
2011	51.9723241993893
2012	51.9467137524162
2013	51.9229928443389
2014	51.9001286432933
2015	51.8786912397345
2016	51.8575378995948
2017	51.8362632356906
2018	51.81475289794
2019	51.792497625831
2020	51.7690871017035
2021	51.7433701638851
2022	51.7158052748095
2023	51.6865403823886