Year	% of total population
1960	96.94
1961	96.903
1962	96.866
1963	96.829
1964	96.682
1965	96.161
1966	95.563
1967	94.876
1968	94.088
1969	93.19
1970	92.166
1971	91.002
1972	90.305
1973	89.619
1974	88.89
1975	88.116
1976	87.295
1977	86.428
1978	85.511
1979	84.543
1980	83.521
1981	82.44800000000001
1982	80.511
1983	78.277
1984	75.861
1985	73.276
1986	70.517
1987	67.59899999999999
1988	64.533
1989	61.352
1990	58.067
1991	54.708
1992	53.557
1993	52.714
1994	51.867
1995	51.019
1996	50.17
1997	49.323
1998	48.475
1999	47.628
2000	46.781
2001	45.938
2002	45.43
2003	44.971
2004	44.512
2005	44.056
2006	43.6
2007	42.072
2008	40.556
2009	39.063
2010	37.588
2011	36.135
2012	35.232
2013	34.428
2014	33.632000000000005
2015	32.845
2016	32.06699999999999
2017	31.299999999999997
2018	30.554000000000002
2019	29.828000000000003
2020	29.123000000000005
2021	28.439999999999998
2022	27.775999999999996
2023	27.132999999999996