Annual % of total population
1960 56.3155883476881
1961 56.0279455643694
1962 55.4027617951669
1963 54.8184198542805
1964 54.2849898580122
1965 53.7947860030671
1966 53.3327821185939
1967 52.8967973465282
1968 52.489329533443
1969 52.1082317674437
1970 51.8270755191215
1971 51.650973165375
1972 51.4875981938517
1973 51.3192356193617
1974 51.1646414614736
1975 51.0419935609098
1976 50.9400758418674
1977 50.853276337501
1978 50.7786615439407
1979 50.6919814349011
1980 50.5678428145253
1981 50.3983059392962
1982 50.2412539259494
1983 50.1237213833414
1984 50.0119620658966
1985 49.9254270357481
1986 49.8733549914652
1987 49.8369321745363
1988 49.803952389685
1989 49.7662735748648
1990 49.7170587404336
1991 49.6920802053882
1992 49.6999554310455
1993 49.7136883493782
1994 49.7298455604365
1995 49.7456359851815
1996 49.7651611378608
1997 49.7849712326379
1998 49.8018456255812
1999 49.8194742186619
2000 49.8350891353661
2001 49.8441110913591
2002 49.8568482591547
2003 49.8699288510815
2004 49.8779304615814
2005 49.8824839188521
2006 49.8814300799517
2007 49.8813624186759
2008 49.8839107146962
2009 49.8854756130423
2010 49.8841537735124
2011 49.8962610995248
2012 49.9110170383943
2013 49.9176803934826
2014 49.9217709636096
2015 49.9244247330005
2016 49.9276750459361
2017 49.9264550366283
2018 49.9219282307518
2019 49.9177535776029
2020 49.9046381968615
2021 49.8886184655793
2022 49.875538745712
2023 49.8589641846663