Year	% of total population
1960	51.8697280811818
1961	51.6661374461329
1962	51.6071926025108
1963	51.5914954185571
1964	51.5722661408173
1965	51.5531249727866
1966	51.5463118460147
1967	51.5430469215703
1968	51.5331996697724
1969	51.5193727322017
1970	51.5069874300637
1971	51.5090493848383
1972	51.5314395044914
1973	51.5679106576146
1974	51.6089444240792
1975	51.637353334441
1976	51.6646727324245
1977	51.7029758915118
1978	51.7510398145175
1979	51.8118747604633
1980	51.8767970996375
1981	51.9045062290388
1982	51.8755689971762
1983	51.8276004339787
1984	51.7895517418808
1985	51.7478587325495
1986	51.7202243190315
1987	51.7289966535549
1988	51.7442620094944
1989	51.7460568276496
1990	51.7350516710407
1991	51.7307393435906
1992	51.7326122624304
1993	51.7422165999016
1994	51.7551679359843
1995	51.7602991000344
1996	51.7358413984702
1997	51.6820040543647
1998	51.6299034054268
1999	51.5796451926994
2000	51.5367569129974
2001	51.4885924789789
2002	51.4232130844551
2003	51.3637405454962
2004	51.310703633859
2005	51.253614921334
2006	51.2047320770607
2007	51.1675716597922
2008	51.1296253139646
2009	51.0961983046494
2010	51.0714763625241
2011	51.0493099646428
2012	51.0257218509646
2013	50.9909571638662
2014	50.9573496237097
2015	50.9229915531167
2016	50.8969527427758
2017	50.857675499655
2018	50.7628932547322
2019	50.6502015831508
2020	50.5662957595026
2021	50.5200250167937
2022	50.5026424632353
2023	50.4998659800282