Year	% of total population
1960	94.207
1961	94.104
1962	94
1963	93.741
1964	93.471
1965	93.191
1966	92.9
1967	92.507
1968	92.094
1969	91.661
1970	91.206
1971	90.729
1972	90.228
1973	89.70400000000001
1974	89.155
1975	88.581
1976	87.979
1977	87.352
1978	86.975
1979	86.767
1980	86.557
1981	86.344
1982	86.129
1983	85.91
1984	85.688
1985	85.464
1986	85.237
1987	85.007
1988	84.791
1989	84.711
1990	84.632
1991	84.551
1992	84.471
1993	84.39
1994	84.309
1995	84.227
1996	84.145
1997	84.063
1998	83.98
1999	83.89699999999999
2000	83.814
2001	83.74
2002	83.745
2003	83.749
2004	83.753
2005	83.758
2006	83.762
2007	83.76599999999999
2008	83.771
2009	83.775
2010	83.779
2011	83.78399999999999
2012	83.788
2013	83.792
2014	83.781
2015	83.753
2016	83.71000000000001
2017	83.65
2018	83.575
2019	83.483
2020	83.374
2021	83.249
2022	83.106
2023	82.946