Year	% of total population
1960	53.381
1961	53.207
1962	53.094
1963	52.98
1964	52.866
1965	52.752
1966	52.638
1967	52.524
1968	52.41
1969	52.296
1970	52.191
1971	52.131
1972	52.071
1973	52.011
1974	51.951
1975	51.891
1976	51.831
1977	51.771
1978	51.711
1979	51.651
1980	51.575
1981	51.409
1982	51.244
1983	51.078
1984	50.912
1985	50.628
1986	50.095
1987	49.561
1988	49.028
1989	48.495
1990	47.963
1991	47.446
1992	46.962
1993	46.479
1994	45.996
1995	45.514
1996	45.033
1997	44.551
1998	44.07
1999	43.589
2000	43.109
2001	42.632
2002	42.102
2003	41.554
2004	41.007
2005	40.464
2006	39.923
2007	39.384
2008	38.846
2009	38.313
2010	37.782
2011	37.254
2012	36.728
2013	36.207
2014	35.688
2015	35.172
2016	34.659000000000006
2017	34.150000000000006
2018	33.644999999999996
2019	33.144000000000005
2020	32.646
2021	32.153000000000006
2022	31.665000000000006
2023	31.180999999999997