Year	% of total population
1960	49.121
1961	47.588
1962	46.785
1963	46.435
1964	46.086
1965	45.738
1966	45.39
1967	45.043
1968	44.704
1969	44.367
1970	44.029
1971	43.692
1972	43.355
1973	43.02
1974	42.685
1975	42.35
1976	42.016
1977	41.684
1978	41.351
1979	41.02
1980	39.971
1981	38.536
1982	37.118
1983	35.721999999999994
1984	34.348
1985	33.004000000000005
1986	31.685000000000002
1987	30.394000000000005
1988	29.132000000000005
1989	27.905
1990	26.709000000000003
1991	25.545
1992	24.414
1993	23.319999999999993
1994	22.260000000000005
1995	21.793000000000006
1996	21.78
1997	21.768
1998	21.754999999999995
1999	21.742000000000004
2000	21.730000000000004
2001	21.717
2002	21.703999999999994
2003	21.691999999999993
2004	21.679000000000002
2005	20.515
2006	19.03
2007	17.629000000000005
2008	16.308000000000007
2009	15.072000000000003
2010	13.912000000000006
2011	12.828000000000003
2012	11.814999999999998
2013	10.875
2014	10
2015	9.744
2016	9.494
2017	9.253
2018	9.021
2019	8.796999999999997
2020	8.581999999999994
2021	8.373999999999995
2022	8.173000000000002
2023	7.980000000000004