Year	% of total population
1960	57.6580078303227
1961	57.5819979368364
1962	57.4928218139639
1963	57.3036983620068
1964	56.9540052893887
1965	56.5969246711863
1966	56.2957525022507
1967	55.9967653743938
1968	55.7033727172187
1969	55.4310148205412
1970	55.1854533100191
1971	54.9603206476504
1972	54.7521921236149
1973	54.5620091267712
1974	54.3828994020193
1975	54.2178024526852
1976	54.0765921795157
1977	53.9547537273087
1978	53.8480667167413
1979	53.7592817281772
1980	53.6848507057361
1981	53.6173366704416
1982	53.5553717844852
1983	53.4934866205976
1984	53.4270464031212
1985	53.3593809280026
1986	53.2923167479287
1987	53.2259520999386
1988	53.166369776549
1989	53.1261274051862
1990	53.0992942136058
1991	53.0694391800043
1992	53.0304544902949
1993	52.9879490810438
1994	52.9445109766562
1995	52.9014957625188
1996	52.8589293229091
1997	52.8210209811403
1998	52.7834313675919
1999	52.7188333876519
2000	52.6735865771595
2001	52.6724919581577
2002	52.6815220483987
2003	52.7086529442579
2004	52.7665352990939
2005	52.8518823634156
2006	52.9500631177736
2007	53.0684413722572
2008	53.2106834494075
2009	53.3730680923681
2010	53.555324484697
2011	53.7639636654523
2012	54.0000257785585
2013	54.2870468940611
2014	54.6419826772994
2015	55.034120676062
2016	55.4444053460455
2017	55.8678138271826
2018	56.2883326521466
2019	56.683182697382
2020	57.0676686296119
2021	57.4697995081372
2022	57.8843276063659
2023	58.3063799127571