Year	% of total population
1960	46.9609347338605
1961	47.0438210062601
1962	47.1303557222412
1963	47.2008903728436
1964	47.2961186218927
1965	47.3628016228913
1966	47.4179385323019
1967	47.497697267424
1968	47.580402765254
1969	47.6770454768687
1970	47.8116396088484
1971	47.9985607627957
1972	48.1575819324164
1973	48.2600659005063
1974	48.3686537581948
1975	48.4591400188529
1976	48.5196458218041
1977	48.6107435829585
1978	48.7234853296075
1979	48.8460129441934
1980	48.9239766081871
1981	48.9667113494191
1982	48.972182177372
1983	48.9883507050889
1984	49.0285322762198
1985	49.0639515788486
1986	49.1101599459338
1987	49.1224268689057
1988	49.1359158457172
1989	49.1240758598521
1990	49.1066968916894
1991	49.0929041697147
1992	49.081145168602
1993	49.0878220920168
1994	49.0865109173086
1995	49.082373026035
1996	49.0700122828566
1997	49.0682706090671
1998	49.0621701355996
1999	49.0586238412325
2000	49.0897170810429
2001	49.14502849905
2002	49.2038816657245
2003	49.2567598376727
2004	49.293379852493
2005	49.320521326
2006	49.3534259086286
2007	49.3947267710033
2008	49.4376308119633
2009	49.4905136686818
2010	49.5561637755668
2011	49.6810351041592
2012	49.8557861413999
2013	50.0103071531643
2014	50.1234070417569
2015	50.1912626619166
2016	50.2288972773271
2017	50.2571522939243
2018	50.2851242216879
2019	50.3296337738531
2020	50.4241505845998
2021	50.4843254667136
2022	50.4599307192967
2023	50.4155244553455