Year	% of total population
1960	89.715
1961	89.707
1962	89.667
1963	89.503
1964	89.338
1965	89.17
1966	89
1967	87.902
1968	86.709
1969	85.42099999999999
1970	84.03
1971	81.283
1972	78.182
1973	74.737
1974	70.945
1975	95.523
1976	95.18
1977	94.814
1978	94.422
1979	94.001
1980	90.102
1981	87.258
1982	86.969
1983	86.675
1984	86.374
1985	86.069
1986	85.758
1987	85.441
1988	85.117
1989	84.789
1990	84.45400000000001
1991	84.113
1992	83.76599999999999
1993	83.413
1994	83.054
1995	82.689
1996	82.31700000000001
1997	81.94
1998	81.645
1999	81.53
2000	81.414
2001	81.297
2002	81.18
2003	81.063
2004	80.945
2005	80.826
2006	80.707
2007	80.587
2008	80.429
2009	80.07
2010	79.706
2011	79.337
2012	78.963
2013	78.58500000000001
2014	78.201
2015	77.812
2016	77.418
2017	77.02
2018	76.612
2019	76.195
2020	75.768
2021	75.332
2022	74.886
2023	74.43