Year	% of total population
1960	44.3204659875164
1961	44.2899922141702
1962	44.2567158324633
1963	44.2206669594366
1964	44.1943972516842
1965	44.2557975669907
1966	44.4027957129721
1967	44.5470339065764
1968	44.6828999862429
1969	44.8120869789936
1970	44.9372065332165
1971	44.7530650412136
1972	44.2093747300971
1973	43.6406995230525
1974	43.1427758501554
1975	42.7085817702269
1976	42.3294583461092
1977	41.9947548178615
1978	41.6974905715115
1979	41.4312786092755
1980	41.1886540079152
1981	41.0513207747132
1982	41.0383691757647
1983	41.0641052246697
1984	41.1030564123115
1985	41.1538417266187
1986	41.2127162391492
1987	41.2765638228328
1988	41.3409277584791
1989	41.4044996592379
1990	41.4670537167242
1991	41.4706349280465
1992	41.4175699316464
1993	41.3645196991747
1994	41.3124900969905
1995	41.2625176609553
1996	41.2152551694492
1997	41.1701343613584
1998	41.1261829277723
1999	41.0796768829112
2000	41.0254103637401
2001	40.9592787196836
2002	40.8756100298801
2003	40.621980428034
2004	40.1094965390887
2005	39.5523554723751
2006	39.0815062292671
2007	38.6793486408876
2008	38.3286065657189
2009	38.0118580392775
2010	37.8731012775565
2011	37.8084890646386
2012	37.513378217201
2013	37.6016606521658
2014	38.1677235126234
2015	38.207617120682
2016	37.7846163013661
2017	37.384973167842
2018	37.3382010838141
2019	37.5306855629947
2020	37.702246206181
2021	37.9026355444844
2022	38.0397668032166
2023	38.1613305607708