Year	% of total population
1960	70.319
1961	69.752
1962	69.17699999999999
1963	68.59700000000001
1964	68.009
1965	67.418
1966	66.82
1967	66.396
1968	66.013
1969	65.62899999999999
1970	65.24199999999999
1971	64.85300000000001
1972	64.462
1973	64.07
1974	63.676
1975	63.279
1976	62.881
1977	62.681
1978	62.531
1979	62.381
1980	62.231
1981	62.081
1982	61.93
1983	61.779
1984	61.628
1985	61.477
1986	61.325
1987	60.673
1988	59.915
1989	59.155
1990	58.389
1991	57.619
1992	56.844
1993	56.067
1994	55.287
1995	54.504
1996	53.718
1997	53.268
1998	52.877
1999	52.485
2000	52.092
2001	51.7
2002	51.308
2003	50.915
2004	50.521
2005	50.129
2006	49.736
2007	49.343
2008	48.854
2009	48.342
2010	47.829
2011	47.317
2012	46.804
2013	46.294
2014	45.784
2015	45.274
2016	44.765
2017	44.258
2018	43.752
2019	43.25
2020	42.753
2021	42.26
2022	41.771
2023	41.287