Year	% of total population
1960	83.797
1961	83.292
1962	82.774
1963	82.243
1964	81.701
1965	81.914
1966	82.08500000000001
1967	82.215
1968	82.344
1969	82.47200000000001
1970	82.6
1971	82.708
1972	82.816
1973	82.816
1974	82.708
1975	82.6
1976	82.53999999999999
1977	82.48
1978	82.1
1979	81.383
1980	80.642
1981	79.882
1982	79.098
1983	78.455
1984	77.797
1985	77.126
1986	76.441
1987	75.741
1988	75.026
1989	74.299
1990	73.55799999999999
1991	72.688
1992	71.8
1993	70.89699999999999
1994	69.976
1995	69.039
1996	68.084
1997	67.11699999999999
1998	66.13300000000001
1999	65.13499999999999
2000	64.12299999999999
2001	62.907
2002	61.575
2003	60.224
2004	58.856
2005	57.478
2006	56.132
2007	54.801
2008	53.461
2009	52.12
2010	50.774
2011	49.489
2012	48.235
2013	46.987
2014	45.741
2015	44.5
2016	43.264
2017	42.04
2018	40.848
2019	39.692
2020	38.572
2021	37.488
2022	36.44
2023	35.43000000000001