Year	% of total population
1960	56.931
1961	56.441
1962	55.949
1963	55.456
1964	54.961
1965	54.466
1966	53.97
1967	53.473
1968	52.975
1969	52.478
1970	51.994
1971	51.526
1972	51.058
1973	50.591
1974	50.124
1975	49.656
1976	49.188
1977	48.721
1978	48.253
1979	47.844
1980	47.503
1981	47.164
1982	46.824
1983	46.484
1984	46.145
1985	45.806
1986	45.468
1987	45.13
1988	44.792
1989	44.723
1990	44.962
1991	45.201
1992	45.441
1993	45.68
1994	45.92
1995	46.159
1996	46.4
1997	46.64
1998	46.88
1999	47.121
2000	47.362
2001	47.602
2002	47.559
2003	47.17
2004	46.782
2005	46.395
2006	46.008
2007	45.621
2008	45.235
2009	44.85
2010	44.465
2011	44.081
2012	43.697
2013	43.315
2014	42.933
2015	42.552
2016	42.163
2017	41.769
2018	41.368
2019	40.961
2020	40.547
2021	40.128
2022	39.703
2023	39.273