Annual % of total population
1960 46.3442926440606
1961 46.9227677225578
1962 47.3307295135688
1963 47.5248532209978
1964 47.485034595351
1965 47.2282969545858
1966 46.7856746375364
1967 46.2045601387425
1968 45.5502201369288
1969 44.8835074699736
1970 44.2619569904569
1971 43.7718826961285
1972 43.4243081328274
1973 43.0176198893767
1974 42.4162500364518
1975 41.6691199037913
1976 40.8509452422855
1977 40.0338298365087
1978 39.2899713922441
1979 38.6829421107881
1980 38.2382443639731
1981 37.9433638075513
1982 37.7187801395109
1983 37.4693407477725
1984 37.1854650133686
1985 36.895680028093
1986 36.6276426089624
1987 36.4114979470956
1988 36.2492827464402
1989 36.1194229780494
1990 36.003283351309
1991 35.9968131623805
1992 36.18381092621
1993 36.3736464439629
1994 36.3921140114854
1995 36.2399154789249
1996 35.9083724150544
1997 35.3926216815925
1998 34.723920631574
1999 33.9655612615409
2000 33.1650827352726
2001 32.3376331810705
2002 31.4988934073556
2003 30.6688848435719
2004 29.8623566243735
2005 29.0951481726397
2006 28.3780122744147
2007 27.7073044513708
2008 27.0803863035926
2009 26.4970754090969
2010 25.9553973273745
2011 25.5067172097055
2012 25.1560371242936
2013 24.8469465208494
2014 24.5369081448485
2015 24.2024599198218
2016 23.8681765470875
2017 23.5443952900054
2018 23.2306985558673
2019 22.931821476389
2020 22.6386326334258
2021 22.3464377050248
2022 22.0554942466785
2023 21.7579860493433