Year	% of total population
1960	63.193
1961	62.601
1962	61.956
1963	61.306
1964	60.651
1965	59.994
1966	59.333
1967	58.668
1968	57.999
1969	57.329
1970	56.655
1971	56.249
1972	55.922
1973	55.595
1974	55.267
1975	54.939
1976	54.61
1977	54.282
1978	53.952
1979	53.623
1980	53.292
1981	52.962
1982	52.732
1983	52.524
1984	52.316
1985	52.109
1986	51.901
1987	51.693
1988	51.485
1989	51.277
1990	51.069
1991	50.861
1992	50.653
1993	50.445
1994	50.236
1995	49.896
1996	49.527
1997	49.159
1998	48.79
1999	48.422
2000	48.053
2001	47.686
2002	47.318
2003	46.951
2004	46.583
2005	46.218
2006	45.854
2007	45.489
2008	45.125
2009	44.763
2010	44.4
2011	45.42
2012	46.445
2013	47.471
2014	48.5
2015	47.832
2016	47.165
2017	46.5
2018	45.838
2019	45.179
2020	44.525
2021	43.876
2022	43.231
2023	42.591