Year	% of total population
1960	92.054
1961	91.98
1962	91.905
1963	91.83
1964	91.754
1965	91.67699999999999
1966	91.6
1967	91.30799999999999
1968	91.006
1969	90.696
1970	90.375
1971	90.045
1972	89.705
1973	89.403
1974	89.163
1975	88.919
1976	88.669
1977	88.416
1978	88.157
1979	87.893
1980	87.623
1981	87.35
1982	87.07
1983	86.786
1984	86.496
1985	86.196
1986	85.882
1987	85.561
1988	85.234
1989	84.902
1990	84.563
1991	84.218
1992	83.867
1993	83.51
1994	83.146
1995	82.622
1996	81.76599999999999
1997	80.88
1998	79.961
1999	79.009
2000	78.023
2001	77.007
2002	75.956
2003	74.874
2004	73.758
2005	72.814
2006	72.252
2007	71.684
2008	71.107
2009	70.525
2010	69.936
2011	69.34
2012	68.736
2013	68.128
2014	67.513
2015	66.892
2016	66.26400000000001
2017	65.632
2018	64.99600000000001
2019	64.35499999999999
2020	63.71
2021	63.061
2022	62.408
2023	61.753