Year	% of total population
1960	88.827
1961	88.77
1962	88.712
1963	88.655
1964	88.596
1965	88.542
1966	88.607
1967	88.664
1968	88.484
1969	88.30199999999999
1970	88.107
1971	87.158
1972	86.142
1973	85.064
1974	83.91499999999999
1975	82.696
1976	81.404
1977	80.042
1978	79.02199999999999
1979	78.393
1980	77.75
1981	77.095
1982	76.426
1983	75.743
1984	75.04599999999999
1985	74.509
1986	74.43
1987	74.352
1988	74.273
1989	74.194
1990	74.16
1991	74.224
1992	74.287
1993	74.351
1994	74.414
1995	74.362
1996	73.992
1997	73.621
1998	73.245
1999	72.866
2000	72.294
2001	71.14099999999999
2002	69.958
2003	68.748
2004	67.50999999999999
2005	66.25
2006	65.206
2007	64.8
2008	64.39
2009	63.979
2010	63.566
2011	63.151
2012	62.733
2013	62.315
2014	61.894
2015	61.471
2016	61.046
2017	60.62
2018	60.192
2019	59.762
2020	59.331
2021	58.898
2022	58.464
2023	58.029