Year	% of total population
1960	52.108
1961	51.473
1962	51.074
1963	50.674
1964	50.273
1965	49.874
1966	49.474
1967	49.074
1968	48.674
1969	48.274
1970	47.875
1971	47.332
1972	46.676
1973	46.023
1974	45.371
1975	44.72
1976	44.071
1977	43.425
1978	42.78
1979	42.288
1980	41.914
1981	41.541
1982	41.169
1983	40.798
1984	40.427
1985	40.058
1986	39.69
1987	39.324
1988	38.957
1989	38.775
1990	38.73
1991	38.685
1992	38.641
1993	38.596
1994	38.551
1995	38.507
1996	38.462
1997	38.417
1998	38.373
1999	38.328
2000	38.284
2001	38.239
2002	38.213
2003	38.324
2004	38.436
2005	38.548
2006	38.659
2007	38.771
2008	38.884
2009	38.996
2010	39.108
2011	39.22
2012	39.346
2013	39.471
2014	39.597
2015	39.722
2016	39.822
2017	39.895
2018	39.942
2019	39.963
2020	39.957
2021	39.925
2022	39.866
2023	39.782