Year	% of total population
1960	89.909
1961	89.757
1962	89.489
1963	89.215
1964	88.934
1965	88.647
1966	88.354
1967	88.054
1968	87.747
1969	87.434
1970	87.114
1971	86.787
1972	86.452
1973	86.111
1974	85.763
1975	85.407
1976	85.044
1977	84.674
1978	84.29599999999999
1979	83.911
1980	83.517
1981	83.117
1982	82.709
1983	82.292
1984	81.868
1985	81.437
1986	80.997
1987	80.549
1988	80.093
1989	79.63
1990	79.158
1991	78.785
1992	78.46000000000001
1993	78.133
1994	77.801
1995	77.46600000000001
1996	77.127
1997	76.785
1998	76.439
1999	76.09
2000	75.737
2001	75.381
2002	75.021
2003	74.657
2004	74.28999999999999
2005	73.959
2006	73.626
2007	73.291
2008	72.952
2009	72.611
2010	72.268
2011	71.92099999999999
2012	71.572
2013	71.221
2014	70.867
2015	70.51
2016	70.15
2017	69.788
2018	69.422
2019	69.053
2020	68.68
2021	68.305
2022	67.926
2023	67.544