Year	% of total population
1960	48.9571448375765
1961	48.9860745863213
1962	49.0111383435657
1963	49.032747236096
1964	49.0526119223511
1965	49.0718639148804
1966	49.0893167627384
1967	49.1042034062312
1968	49.1182946304097
1969	49.131874942604
1970	49.1444046810035
1971	49.1558017644444
1972	49.1666017844177
1973	49.1768528810059
1974	49.186343374838
1975	49.1956195014489
1976	49.204165781912
1977	49.2155774109079
1978	49.2298163919141
1979	49.2425676374179
1980	49.2544364066183
1981	49.2655143235397
1982	49.2751864822636
1983	49.2840832018108
1984	49.292817721691
1985	49.3009362174749
1986	49.3093206776384
1987	49.318394574026
1988	49.327052441037
1989	49.3347206307256
1990	49.3404199130744
1991	49.3439087765071
1992	49.3471964906016
1993	49.3499475093985
1994	49.3515931095591
1995	49.3532019446103
1996	49.3549607471121
1997	49.35753750098
1998	49.361152969055
1999	49.3655966351128
2000	49.3079844760222
2001	49.1929176476755
2002	49.0841751943517
2003	48.9837086258844
2004	48.8905113505584
2005	48.8040674698081
2006	48.7239155389823
2007	48.6471178628677
2008	48.5737139307648
2009	48.5042104100746
2010	48.4906659234325
2011	48.5298466807289
2012	48.5674815810487
2013	48.6025876986702
2014	48.6357961239489
2015	48.6691019260363
2016	48.7037823326456
2017	48.7387057577219
2018	48.7725418266355
2019	48.8049818284466
2020	48.8368205378838
2021	48.8693768255638
2022	48.9017647684008
2023	48.9332228651625