Year	% of total population
1960	56.9076974653496
1961	56.8325167499301
1962	56.788262453263
1963	56.7556643635964
1964	56.684272767573
1965	56.5914082756435
1966	56.4826114271897
1967	56.3397501943195
1968	56.170416564972
1969	55.9811761049404
1970	55.7785122546014
1971	55.5454828023211
1972	55.2891038232469
1973	55.0236307418613
1974	54.7431850330459
1975	54.4409748458756
1976	54.1021696555234
1977	53.7517831689613
1978	53.4039178627043
1979	53.0432335251526
1980	52.6919916303389
1981	52.3549476002753
1982	52.0352962164268
1983	51.7505879842601
1984	51.4635809595872
1985	51.1404919432936
1986	50.7788956827323
1987	50.4029699578574
1988	50.06345537355
1989	49.8062769129492
1990	49.6490787170434
1991	49.5269465255168
1992	49.4297879872472
1993	49.3930553585414
1994	49.4118003811138
1995	49.481103065907
1996	49.5802221220765
1997	49.7050356146117
1998	49.8811705635186
1999	50.0848631120309
2000	50.2722993591747
2001	50.441156151939
2002	50.5785887585446
2003	50.6679784300404
2004	50.6969948897014
2005	50.6446999067035
2006	50.5508938332958
2007	50.4508727843765
2008	50.3292066969569
2009	50.1874521665696
2010	50.0269218971342
2011	49.8508235859772
2012	49.5680208774166
2013	49.3306837657479
2014	49.2616973949245
2015	49.2381192383453
2016	49.2767393938837
2017	49.3742191931695
2018	49.5008978996903
2019	49.6641849752307
2020	49.8961366450497
2021	50.168993511659
2022	50.429755730945
2023	50.6916731149414