Year	% of total population
1960	87.392
1961	87.179
1962	86.918
1963	86.422
1964	85.908
1965	85.38
1966	84.83500000000001
1967	84.273
1968	83.694
1969	83.12
1970	82.638
1971	82.145
1972	81.64
1973	81.126
1974	80.6
1975	80.127
1976	79.644
1977	79.154
1978	78.655
1979	78.14699999999999
1980	77.629
1981	77.105
1982	76.571
1983	75.931
1984	75.264
1985	74.586
1986	73.895
1987	73.191
1988	72.476
1989	71.75
1990	71.012
1991	70.262
1992	69.501
1993	69.06
1994	68.66499999999999
1995	68.268
1996	67.868
1997	67.46600000000001
1998	67.061
1999	66.65299999999999
2000	66.24199999999999
2001	65.83
2002	65.41499999999999
2003	65.521
2004	65.706
2005	65.89
2006	66.074
2007	66.257
2008	66.44
2009	66.622
2010	66.804
2011	66.985
2012	67.166
2013	67.346
2014	67.49600000000001
2015	67.61500000000001
2016	67.70400000000001
2017	67.763
2018	67.791
2019	67.78999999999999
2020	67.75800000000001
2021	67.697
2022	67.60499999999999
2023	67.483