Year	% of total population
1960	51.6687370841628
1961	51.6197959354709
1962	51.5691290220468
1963	51.5249820818803
1964	51.4714555912675
1965	51.4309519731994
1966	51.396420968642
1967	51.3530796981395
1968	51.3137912961979
1969	51.2799944165874
1970	51.2464570931611
1971	51.2077653423858
1972	51.2662204769508
1973	51.3397079617522
1974	51.308021350633
1975	51.2612983138947
1976	51.2199909733746
1977	51.1796778960684
1978	51.1382107783067
1979	51.1031346217477
1980	51.0507244192566
1981	51.0023397019157
1982	50.9706403642897
1983	50.9354901908513
1984	50.9040391816397
1985	50.8776634874851
1986	50.8564759626999
1987	50.8354678156389
1988	50.832953959149
1989	50.8343883177634
1990	50.8225055176226
1991	50.8089435457176
1992	50.7832811111101
1993	50.8260158913598
1994	50.8352952380134
1995	50.7838227017573
1996	50.7941226610136
1997	50.8028883859887
1998	50.7919189308307
1999	50.775576115906
2000	50.7665046572746
2001	50.7606025554118
2002	50.7484653940223
2003	50.7273009771681
2004	50.6986732384935
2005	50.6700479667132
2006	50.6426192089776
2007	50.6128243693302
2008	50.5831343849181
2009	50.5505911681746
2010	50.5179417757206
2011	50.4908186388089
2012	50.4649542916686
2013	50.4405454532736
2014	50.4188267210981
2015	50.4083471207818
2016	50.4016984907451
2017	50.389100785588
2018	50.3752129904697
2019	50.3632975877229
2020	50.3560776735162
2021	50.3491335857339
2022	50.3402904796868
2023	50.3320565327389