Annual % of total population
1960 51.2235012920099
1961 51.4556794680363
1962 51.5435888820951
1963 51.4987809329175
1964 51.4528881113004
1965 51.406780143569
1966 51.3611443706065
1967 51.3157716364632
1968 51.2708674265687
1969 51.2265217064849
1970 51.1818226760003
1971 51.1380114223634
1972 51.0965614347553
1973 51.0569838232537
1974 51.0182708180761
1975 50.9807004255675
1976 50.9467324942735
1977 50.915481622327
1978 50.8842260452931
1979 50.8535640187268
1980 50.8196877166621
1981 50.7832214752938
1982 50.7542290880079
1983 50.7268410782246
1984 50.6944998038611
1985 50.6601420159045
1986 50.6252229866726
1987 50.5931096746616
1988 50.5647203657617
1989 50.5387032561888
1990 50.5148584666314
1991 50.4938689741197
1992 50.475627697961
1993 50.4580406803263
1994 50.4416266592326
1995 50.4280881861285
1996 50.4162847236648
1997 50.4055933281406
1998 50.3954668936238
1999 50.3862956956244
2000 50.377097343064
2001 50.3666144224199
2002 50.3542125368221
2003 50.3400262413749
2004 50.3263797467692
2005 50.3124918416148
2006 50.2982114075602
2007 50.2846010375049
2008 50.2714559307701
2009 50.2585242074832
2010 50.2459850661303
2011 50.2336974756506
2012 50.2209085630726
2013 50.2078043346115
2014 50.1954274036938
2015 50.184555048559
2016 50.1724596748515
2017 50.1588702186894
2018 50.148103340517
2019 50.1383951131513
2020 50.1318047085044
2021 50.1289881239598
2022 50.1244727836422
2023 50.1185085795017