Year	% of total population
1960	55.802
1961	55.254
1962	54.704
1963	54.153
1964	53.6
1965	52.953
1966	52.304
1967	51.654
1968	51.003
1969	50.353
1970	49.764
1971	49.247
1972	48.731
1973	48.215
1974	47.7
1975	47.436
1976	47.172
1977	46.908
1978	46.644
1979	46.3
1980	45.858
1981	45.418
1982	44.978
1983	44.539
1984	44.1
1985	43.99
1986	43.879
1987	43.769
1988	43.659
1989	43.643
1990	43.734
1991	43.825
1992	43.917
1993	44.008
1994	44.1
1995	44.079
1996	44.057
1997	44.036
1998	44.014
1999	43.975
2000	43.902
2001	43.829
2002	43.756
2003	43.683
2004	43.61
2005	43.537
2006	43.464
2007	43.391
2008	43.318
2009	43.245
2010	43.173
2011	43.1
2012	43.027
2013	42.954
2014	42.882
2015	42.809
2016	42.736
2017	42.664
2018	42.572
2019	42.46
2020	42.329
2021	42.179
2022	42.01
2023	41.821