Year	% of total population
1960	55.453
1961	54.067
1962	52.673
1963	51.276
1964	49.874
1965	48.476
1966	47.079
1967	45.686
1968	44.298
1969	42.923
1970	41.672
1971	40.77
1972	39.873
1973	38.986
1974	38.104
1975	37.23
1976	36.363
1977	35.507999999999996
1978	34.66
1979	33.822
1980	32.165000000000006
1981	28.227999999999994
1982	24.593999999999994
1983	21.289
1984	18.316000000000003
1985	15.683000000000007
1986	13.363
1987	11.340000000000003
1988	9.587000000000003
1989	8.084999999999994
1990	7.058000000000007
1991	6.8940000000000055
1992	6.733000000000004
1993	6.575999999999993
1994	6.421999999999997
1995	6.271000000000001
1996	6.123999999999995
1997	5.980000000000004
1998	5.838999999999999
1999	5.701999999999998
2000	5.6129999999999995
2001	5.667000000000002
2002	5.721999999999994
2003	5.775999999999996
2004	5.831999999999994
2005	5.888000000000005
2006	5.944000000000003
2007	6.001000000000005
2008	6.058000000000007
2009	6.116
2010	6.174999999999997
2011	6.227000000000004
2012	6.274000000000001
2013	6.313999999999993
2014	6.349000000000004
2015	6.376000000000005
2016	6.397999999999996
2017	6.412999999999997
2018	6.421999999999997
2019	6.424000000000007
2020	6.418999999999997
2021	6.408000000000001
2022	6.390000000000001
2023	6.366