Year	% of total population
1960	48.8305456515506
1961	48.9161849090776
1962	49.0002805495421
1963	49.0652025986608
1964	49.1117330586354
1965	49.1563447951744
1966	49.2036370108648
1967	49.2510080950345
1968	49.2963058124312
1969	49.3431069536756
1970	49.3864630357559
1971	49.4322941708432
1972	49.4775777987599
1973	49.5144048418617
1974	49.5484488247126
1975	49.6078084171636
1976	49.6869911933904
1977	49.7651705906706
1978	49.8437277749372
1979	49.9144258319889
1980	49.9799448184915
1981	50.0353321371671
1982	50.076723894585
1983	50.1381835629597
1984	50.1873337889811
1985	50.2044001850228
1986	50.220525096927
1987	50.2331135463818
1988	50.2479260251209
1989	50.2663104163343
1990	50.4225627463252
1991	50.6299903673405
1992	50.6571581963787
1993	50.6930655002342
1994	50.7365901906552
1995	50.7744505984349
1996	50.7984242951116
1997	50.806948348928
1998	50.798909073273
1999	50.7929941933719
2000	50.7841189490001
2001	50.768367023874
2002	50.7490853914544
2003	50.7382892304581
2004	50.7249602635369
2005	50.6976050709086
2006	50.6664212534768
2007	50.6325253114729
2008	50.5969390734977
2009	50.5621415873637
2010	50.5286376268795
2011	50.4887411358119
2012	50.4522432094262
2013	50.4232025158375
2014	50.3940790344201
2015	50.3664200884195
2016	50.3399313698804
2017	50.313209417193
2018	50.2886146761427
2019	50.2648291804146
2020	50.2425316220823
2021	50.2221081461604
2022	50.2006249291632
2023	50.1790480802646