Year	% of total population
1960	93.305
1961	93.038
1962	92.761
1963	92.473
1964	92.123
1965	91.594
1966	91.032
1967	90.436
1968	89.804
1969	89.138
1970	88.432
1971	87.687
1972	86.9
1973	86.118
1974	85.29599999999999
1975	84.434
1976	83.53
1977	82.587
1978	81.6
1979	81.408
1980	81.213
1981	81.018
1982	80.821
1983	80.623
1984	80.422
1985	80.221
1986	80.017
1987	79.813
1988	79.606
1989	79.398
1990	79.189
1991	78.977
1992	78.765
1993	78.592
1994	78.56
1995	78.527
1996	78.494
1997	78.462
1998	78.429
1999	78.396
2000	78.363
2001	78.33
2002	78.298
2003	78.265
2004	78.232
2005	78.199
2006	78.166
2007	78.132
2008	78.099
2009	78.066
2010	78.015
2011	77.946
2012	77.858
2013	77.752
2014	77.628
2015	77.485
2016	77.32300000000001
2017	77.142
2018	76.941
2019	76.721
2020	76.48
2021	76.219
2022	75.937
2023	75.634