Year	% of total population
1960	91.252
1961	91.263
1962	91.275
1963	91.286
1964	91.298
1965	91.31
1966	91.321
1967	91.333
1968	91.344
1969	91.355
1970	91.367
1971	91.378
1972	91.39
1973	91.401
1974	91.413
1975	91.424
1976	91.435
1977	91.447
1978	91.458
1979	91.469
1980	91.481
1981	91.492
1982	91.503
1983	91.292
1984	90.739
1985	90.156
1986	89.539
1987	88.889
1988	88.203
1989	87.483
1990	86.724
1991	85.926
1992	85.088
1993	84.374
1994	84.251
1995	84.127
1996	84.003
1997	83.877
1998	83.751
1999	83.624
2000	83.496
2001	83.368
2002	83.239
2003	83.10900000000001
2004	82.977
2005	82.846
2006	82.713
2007	82.58
2008	82.445
2009	82.299
2010	82.14
2011	81.968
2012	81.783
2013	81.58500000000001
2014	81.374
2015	81.148
2016	80.908
2017	80.654
2018	80.385
2019	80.101
2020	79.801
2021	79.486
2022	79.154
2023	78.805