Year	% of total population
1960	84.59
1961	84.367
1962	84.142
1963	83.913
1964	83.682
1965	83.449
1966	83.212
1967	82.973
1968	82.731
1969	82.487
1970	82.24
1971	81.849
1972	81.451
1973	81.048
1974	80.637
1975	80.22
1976	79.795
1977	79.364
1978	78.926
1979	78.482
1980	78.03
1981	77.32900000000001
1982	76.611
1983	75.878
1984	75.128
1985	74.365
1986	73.586
1987	72.791
1988	71.981
1989	71.158
1990	70.32
1991	69.824
1992	69.32300000000001
1993	68.818
1994	68.309
1995	67.795
1996	67.275
1997	66.753
1998	66.227
1999	65.696
2000	65.16
2001	64.331
2002	63.492
2003	62.644
2004	61.788
2005	60.926
2006	60.057
2007	59.181
2008	58.298
2009	57.412
2010	56.52
2011	55.634
2012	54.754
2013	53.882
2014	53.018
2015	52.162
2016	51.317
2017	50.481
2018	49.656
2019	48.843
2020	48.042
2021	47.254
2022	46.479
2023	45.717