Year	% of total population
1960	86.063
1961	85.512
1962	84.94200000000001
1963	84.353
1964	83.745
1965	83.12
1966	82.475
1967	81.81
1968	81.125
1969	80.423
1970	79.7
1971	78.416
1972	77.07300000000001
1973	75.676
1974	74.22
1975	72.708
1976	71.322
1977	70.531
1978	69.726
1979	68.90899999999999
1980	68.07900000000001
1981	67.239
1982	66.387
1983	65.524
1984	64.65
1985	63.768
1986	62.876
1987	62.059
1988	61.489
1989	60.918
1990	60.343
1991	59.765
1992	59.183
1993	58.601
1994	58.015
1995	57.427
1996	56.836
1997	56.245
1998	55.652
1999	55.056
2000	54.458
2001	53.861
2002	53.262
2003	52.662
2004	52.06
2005	51.459
2006	50.857
2007	50.254
2008	49.65
2009	49.046
2010	48.441
2011	47.836
2012	47.231
2013	46.627
2014	46.024
2015	45.422
2016	44.821
2017	44.223
2018	43.626
2019	43.032
2020	42.44
2021	41.852
2022	41.267
2023	40.685