Year	% of total population
1960	42.1172709950718
1961	42.2683123504999
1962	42.4214532883175
1963	42.4891285424035
1964	42.4704962669073
1965	42.3660378217858
1966	42.5242235013226
1967	42.998492164903
1968	43.2606725026531
1969	43.179112141902
1970	42.9629548867378
1971	42.6950497039236
1972	42.4225635688661
1973	42.2172390244812
1974	42.0168168421616
1975	41.7086270956148
1976	41.3926328776548
1977	41.146916941464
1978	40.8565481308778
1979	40.4964052484058
1980	40.1499666504639
1981	39.8405762391818
1982	39.5220447377237
1983	38.929504646276
1984	38.3261145979389
1985	37.9409089333571
1986	37.5304465442046
1987	37.0992252169396
1988	36.650885331651
1989	36.196046902261
1990	35.7309131545971
1991	35.2299287874812
1992	34.71793302967
1993	34.2113075312332
1994	33.7021367342909
1995	33.2188127373942
1996	32.7757109165445
1997	32.3629112619711
1998	31.962017026566
1999	31.5543181782752
2000	31.1241655371212
2001	30.6989670222079
2002	30.2566671964294
2003	29.7530847913212
2004	29.2370400121266
2005	28.7672391099158
2006	28.3459204725289
2007	27.9550435242547
2008	27.5708973263319
2009	27.1594864474615
2010	26.7257740229245
2011	26.2806999350472
2012	25.8245003526223
2013	25.3762741366458
2014	24.9516305568306
2015	24.6089377659218
2016	24.3211123973532
2017	24.1284344778095
2018	24.0362820581351
2019	23.9022885546966
2020	23.7110603615819
2021	23.4805146046872
2022	23.2326455154314
2023	22.9791999992915