Year	% of total population
1960	47.0507628171102
1961	47.1085715183979
1962	47.1301214561679
1963	47.1346341527563
1964	47.1224951262039
1965	47.1031573528313
1966	47.0873303426385
1967	47.0707343819358
1968	47.0517261412605
1969	47.0365153633066
1970	47.0239556394605
1971	47.014786324954
1972	47.0200329413567
1973	47.0335805256004
1974	47.0414475034509
1975	47.0463724323322
1976	47.0493939254936
1977	47.0515551972668
1978	47.0536037315001
1979	47.0555921919904
1980	47.0575124613983
1981	47.0376668508425
1982	46.9991320646476
1983	46.9659110136978
1984	46.9378701512684
1985	46.9146029721146
1986	46.8962075734988
1987	46.8813665809063
1988	46.8675969541677
1989	46.8693014448029
1990	46.9344409222111
1991	47.0418279150939
1992	47.1428771728967
1993	47.239227064667
1994	47.3300276254388
1995	47.4158761764208
1996	47.4971139149522
1997	47.5734506562826
1998	47.6440644356915
1999	47.7101650922654
2000	47.7719883296053
2001	47.8086383951956
2002	47.8239811451523
2003	47.8397072392292
2004	47.856198295103
2005	47.8721976827171
2006	47.8849148738033
2007	47.8946306826145
2008	47.9067350631579
2009	47.9230427415004
2010	47.9395231792516
2011	47.962022571307
2012	47.9927415843305
2013	48.0265721454536
2014	48.062056534186
2015	48.1008212919944
2016	48.1425175766411
2017	48.183360329732
2018	48.2232665150071
2019	48.2654310417642
2020	48.3112709802618
2021	48.3600529356586
2022	48.4125944196464
2023	48.4667612978247