Year	% of total population
1960	52.321
1961	51.979
1962	51.636
1963	51.294
1964	50.951
1965	50.608
1966	50.266
1967	49.923
1968	49.58
1969	49.237
1970	48.894
1971	48.513
1972	48.118
1973	47.725
1974	47.331
1975	46.937
1976	46.544
1977	46.152
1978	45.76
1979	45.368
1980	44.741
1981	42.642
1982	40.565
1983	38.522
1984	36.516
1985	34.56100000000001
1986	32.655
1987	30.802999999999997
1988	29.010000000000005
1989	27.284000000000006
1990	25.656999999999996
1991	24.462999999999994
1992	23.305999999999997
1993	22.189999999999998
1994	21.111999999999995
1995	20.072000000000003
1996	19.069999999999993
1997	18.11
1998	17.186000000000007
1999	16.299999999999997
2000	15.450000000000003
2001	14.638000000000005
2002	13.992999999999995
2003	13.391999999999996
2004	12.811999999999998
2005	12.254999999999995
2006	11.718999999999994
2007	11.203000000000003
2008	10.706000000000003
2009	10.230000000000004
2010	9.772000000000006
2011	9.331999999999994
2012	8.909999999999997
2013	8.516999999999996
2014	8.149000000000001
2015	7.805000000000007
2016	7.483000000000004
2017	7.183000000000007
2018	6.902000000000001
2019	6.640000000000001
2020	6.394999999999996
2021	6.165999999999997
2022	5.953000000000003
2023	5.753