Year	% of total population
1960	62.489
1961	62.05
1962	61.609
1963	61.167
1964	60.721
1965	60.276
1966	59.77
1967	58.964
1968	58.152
1969	57.338
1970	56.518
1971	55.695
1972	54.868
1973	54.041
1974	53.21
1975	52.412
1976	51.816
1977	51.221
1978	50.625
1979	50.028
1980	49.431
1981	48.836
1982	48.24
1983	47.644
1984	46.989
1985	46.161
1986	45.333
1987	44.509
1988	43.686
1989	42.869
1990	42.054
1991	41.244
1992	40.438
1993	39.638
1994	38.922
1995	38.526
1996	38.13
1997	37.738
1998	37.347
1999	36.957
2000	36.568
2001	36.182
2002	35.798
2003	35.415000000000006
2004	35.05
2005	34.763000000000005
2006	34.476
2007	34.191
2008	33.907
2009	33.623999999999995
2010	33.343
2011	33.062
2012	32.782
2013	32.504999999999995
2014	32.227999999999994
2015	31.944000000000003
2016	31.653999999999996
2017	31.358000000000004
2018	31.055000000000007
2019	30.745999999999995
2020	30.432000000000002
2021	30.111999999999995
2022	29.786
2023	29.456000000000003