Year	% of total population
1960	61.646
1961	61.473
1962	61.372
1963	61.271
1964	61.17
1965	61.069
1966	60.967
1967	60.866
1968	60.764
1969	60.663
1970	60.561
1971	60.456
1972	59.957
1973	59.457
1974	58.954
1975	58.449
1976	57.942
1977	57.435
1978	56.925
1979	56.414
1980	55.901
1981	55.388
1982	54.873
1983	54.358
1984	53.84
1985	53.323
1986	52.805
1987	52.286
1988	51.766
1989	51.246
1990	50.726
1991	50.206
1992	49.685
1993	48.583
1994	47.296
1995	46.012
1996	44.732
1997	43.463
1998	42.2
1999	41.643
2000	41.088
2001	40.536
2002	39.986
2003	39.439
2004	38.893
2005	38.352
2006	37.813
2007	37.226
2008	36.322
2009	35.43000000000001
2010	34.548
2011	33.675
2012	32.813
2013	31.964
2014	31.126000000000005
2015	30.299999999999997
2016	29.498999999999995
2017	28.724999999999994
2018	27.977000000000004
2019	27.254000000000005
2020	26.555999999999997
2021	25.882000000000005
2022	25.233000000000004
2023	24.607