Year	% of total population
1960	96.52
1961	96.429
1962	96.388
1963	96.347
1964	96.305
1965	96.263
1966	96.22
1967	96.177
1968	96.133
1969	96.089
1970	96.044
1971	95.995
1972	95.80199999999999
1973	95.601
1974	95.39
1975	95.17
1976	94.939
1977	94.69800000000001
1978	94.447
1979	94.184
1980	93.909
1981	93.624
1982	93.384
1983	93.136
1984	92.879
1985	92.614
1986	92.34
1987	92.056
1988	91.762
1989	91.459
1990	91.146
1991	90.82
1992	90.418
1993	90.001
1994	89.56700000000001
1995	89.117
1996	88.65
1997	88.166
1998	87.664
1999	87.143
2000	86.603
2001	86.053
2002	85.76
2003	85.462
2004	85.159
2005	84.851
2006	84.538
2007	84.219
2008	83.895
2009	83.566
2010	83.232
2011	82.892
2012	82.542
2013	82.185
2014	81.818
2015	81.443
2016	81.05799999999999
2017	80.664
2018	80.26
2019	79.84700000000001
2020	79.424
2021	78.992
2022	78.549
2023	78.09700000000001