Year	% of total population
1960	44.490712200342
1961	44.8
1962	45.1162891373283
1963	45.4735806191568
1964	45.8649441922347
1965	46.08246813373
1966	46.1319502153958
1967	46.2138136245238
1968	46.3215307904164
1969	46.426605865241
1970	46.5340995778874
1971	46.718089445969
1972	46.954147594957
1973	47.142286953051
1974	47.2758060456282
1975	47.219594317767
1976	47.0099050312311
1977	46.8037180656934
1978	46.6804662211911
1979	46.6322152359878
1980	46.5657909395335
1981	46.4727305140645
1982	46.3469260228545
1983	46.1817372794728
1984	45.9716166138667
1985	45.70996583888
1986	45.398881593867
1987	45.0622004415962
1988	44.8468992962158
1989	44.7356051096889
1990	44.5813007717818
1991	44.3698190236738
1992	44.1531493881994
1993	43.9460530038668
1994	43.6332899989434
1995	43.1540497425857
1996	42.5892494471273
1997	42.0235213662908
1998	41.4546792811877
1999	40.8395269815939
2000	40.1876312008486
2001	39.5771269824964
2002	39.0493921413679
2003	38.6145521219981
2004	38.2106561974201
2005	37.8055705786912
2006	37.3867870644872
2007	36.9179783077092
2008	36.455252542443
2009	36.0497832989547
2010	35.5189961659115
2011	35.0005097926534
2012	34.578036070663
2013	34.0697636947044
2014	33.5627935133549
2015	33.065050268816
2016	32.6521143865618
2017	32.3198753967428
2018	31.9582796202977
2019	31.5936199535817
2020	31.1551961750657
2021	30.696272462897
2022	30.3099050488771
2023	29.9234534471985