Year	% of total population
1960	53.80597169338981
1961	53.701333711930154
1962	53.59224756939145
1963	53.45484974534875
1964	53.28978272142203
1965	53.13738991883904
1966	53.00739060500696
1967	52.87948742158877
1968	52.75182862389818
1969	52.6216279264841
1970	52.485265192296225
1971	52.33993613527738
1972	52.18289774754159
1973	52.045099502638266
1974	51.94586117086951
1975	51.85699885569343
1976	51.764592852855124
1977	51.67530317424739
1978	51.60282202525077
1979	51.528241200833584
1980	51.433895541995014
1981	51.33830727419884
1982	51.25992065137905
1983	51.20616160450163
1984	51.15469590711369
1985	51.091393030078976
1986	51.03042109268457
1987	50.97700882598765
1988	50.94118767078401
1989	50.915339148208204
1990	50.891986711623986
1991	50.892982094232096
1992	50.91721826444938
1993	50.93025457408222
1994	51.01378528760863
1995	51.11855612039461
1996	51.12689625891603
1997	51.11881339454654
1998	51.16761265929436
1999	51.24927785195228
2000	51.33268643886741
2001	51.428695248361066
2002	51.53195430016974
2003	51.64881385991251
2004	51.77747069118318
2005	51.91008692488886
2006	52.03649335478655
2007	52.12749870336092
2008	52.23232931045393
2009	52.36676341717782
2010	52.48827470078105
2011	52.62362790837598
2012	52.76508388342378
2013	52.91019073547856
2014	53.09394049762231
2015	53.28353122712493
2016	53.48244358872863
2017	53.7061771233617
2018	53.9266771051614
2019	54.14335734435651
2020	54.37819734589836
2021	54.6264392257318
2022	54.873311226783045
2023	55.12360636744181