Year	% of total population
1960	45.6705968154515
1961	45.8483005062619
1962	45.9871789329575
1963	46.0976876236262
1964	46.1851206880398
1965	46.2404295259121
1966	46.3186635219548
1967	46.4267391956921
1968	46.5408708223711
1969	46.6447207811591
1970	46.6524734118245
1971	46.5586257857989
1972	46.4143867382426
1973	46.2136296891076
1974	45.9727528451583
1975	45.7067716783817
1976	45.4211708757816
1977	45.1101258146129
1978	44.7784573504977
1979	44.4483193871114
1980	44.1492910167062
1981	43.9370030622046
1982	43.7507500156525
1983	43.5262367076471
1984	43.2663058718139
1985	42.9829334312673
1986	42.6841133956917
1987	42.3723456741396
1988	42.1550156123062
1989	42.0513676701465
1990	41.9469613366724
1991	41.8226060256867
1992	41.6801125246535
1993	41.2674900510337
1994	40.606728779959
1995	39.9376900107173
1996	39.2729552221402
1997	38.6446156684703
1998	38.0811823793464
1999	37.5870041992946
2000	37.1528520183496
2001	36.7513875447868
2002	36.3370832310949
2003	35.8893955937336
2004	35.4215544608204
2005	34.9393083626085
2006	34.4419097327406
2007	33.8920681897861
2008	33.2596254609557
2009	32.5675986825229
2010	31.8468925878649
2011	31.1232203939535
2012	30.4044332281768
2013	29.68972099503
2014	29.0024448724069
2015	28.3671766596598
2016	27.7747895771705
2017	27.2400050138395
2018	26.7894159695715
2019	26.4179565769782
2020	26.083984839015
2021	25.7615354676606
2022	25.4154256870471
2023	25.029424853406