Year	% of total population
1960	93.56700000000001
1961	93.35
1962	93.126
1963	92.896
1964	92.658
1965	92.413
1966	92.16
1967	91.9
1968	91.74
1969	91.578
1970	91.412
1971	91.244
1972	91.072
1973	90.898
1974	90.721
1975	90.53999999999999
1976	90.356
1977	90.17
1978	89.98
1979	89.786
1980	89.59
1981	89.39
1982	89.187
1983	88.98
1984	88.768
1985	88.547
1986	88.321
1987	88.091
1988	87.857
1989	87.62
1990	87.379
1991	87.133
1992	86.884
1993	86.63
1994	86.373
1995	86.173
1996	85.994
1997	85.814
1998	85.631
1999	85.447
2000	85.26
2001	85.07300000000001
2002	84.882
2003	84.69
2004	84.496
2005	84.3
2006	84.101
2007	83.884
2008	83.49
2009	83.09
2010	82.681
2011	82.265
2012	81.84
2013	81.425
2014	81.002
2015	80.572
2016	80.134
2017	79.69
2018	79.237
2019	78.775
2020	78.305
2021	77.826
2022	77.339
2023	76.843
