Year	% of total population
1960	92.638
1961	92.435
1962	92.226
1963	91.962
1964	91.682
1965	91.395
1966	91.098
1967	90.791
1968	90.475
1969	90.15
1970	89.705
1971	89.222
1972	88.718
1973	88.195
1974	87.651
1975	87.086
1976	86.497
1977	85.888
1978	85.255
1979	84.599
1980	84.417
1981	84.319
1982	84.22
1983	84.121
1984	84.021
1985	83.92099999999999
1986	83.82
1987	83.719
1988	83.617
1989	83.515
1990	83.252
1991	82.957
1992	82.658
1993	82.355
1994	82.048
1995	81.737
1996	81.42099999999999
1997	81.102
1998	80.77799999999999
1999	80.45
2000	80.108
2001	79.761
2002	79.40899999999999
2003	79.05199999999999
2004	78.69
2005	78.325
2006	77.955
2007	77.58
2008	77.2
2009	76.81700000000001
2010	76.429
2011	76.031
2012	75.624
2013	75.206
2014	74.779
2015	74.342
2016	73.895
2017	73.438
2018	72.97
2019	72.493
2020	72.005
2021	71.507
2022	70.998
2023	70.48