Year	% of total population
1960	91.599
1961	91.316
1962	91.024
1963	90.724
1964	90.414
1965	90.096
1966	89.767
1967	89.43
1968	89.082
1969	88.725
1970	88.357
1971	87.979
1972	87.59
1973	87.191
1974	86.781
1975	86.359
1976	85.926
1977	85.483
1978	85.027
1979	84.55799999999999
1980	84.005
1981	83.438
1982	82.85300000000001
1983	82.253
1984	81.635
1985	81.003
1986	80.35300000000001
1987	79.686
1988	79.002
1989	78.912
1990	78.82300000000001
1991	78.73400000000001
1992	78.645
1993	78.556
1994	78.46600000000001
1995	78.376
1996	78.286
1997	78.195
1998	78.105
1999	78.014
2000	77.922
2001	77.831
2002	77.739
2003	77.64699999999999
2004	77.5
2005	77.297
2006	77.093
2007	76.887
2008	76.68
2009	76.47200000000001
2010	76.263
2011	76.05199999999999
2012	75.84
2013	75.627
2014	75.413
2015	75.197
2016	74.98
2017	74.75
2018	74.505
2019	74.246
2020	73.974
2021	73.686
2022	73.384
2023	73.06700000000001