Annual % of total population
1960 38.3438377074204
1961 38.601554225327
1962 38.8069408074588
1963 38.9703708249418
1964 39.1086559364209
1965 39.229036902646
1966 39.3478874323388
1967 39.4530938123752
1968 39.5235671876893
1969 39.5361370687312
1970 39.6433655908165
1971 39.8566401105426
1972 40.0393824566048
1973 40.1692865779927
1974 40.2135677914215
1975 40.1645674796212
1976 39.9938154443283
1977 39.7470190869112
1978 39.4710936101665
1979 39.1364262746899
1980 38.7462230566828
1981 38.3126370828438
1982 37.8345298650365
1983 37.3095005564514
1984 36.7290891170588
1985 36.0621657837723
1986 35.3698163971081
1987 34.7197172029833
1988 34.0890048030966
1989 33.4518195967232
1990 32.8388730932395
1991 32.3152863876117
1992 31.8765183544729
1993 31.4966820769255
1994 31.1642186987873
1995 30.8563802885314
1996 30.5699558029458
1997 30.406724850183
1998 30.3150087424091
1999 30.1810536206118
2000 30.0268126768892
2001 29.8048777249968
2002 29.4821797884969
2003 29.0948060055095
2004 28.6730120951437
2005 28.2148174303762
2006 27.6809650110225
2007 27.1373116731564
2008 26.6589351441165
2009 26.2039525014933
2010 25.7699582865547
2011 25.3817542766055
2012 25.0353387823555
2013 24.7186539529549
2014 24.4182216073092
2015 24.1082280448854
2016 23.7896369131006
2017 23.4919473814703
2018 23.219250210615
2019 22.9733612732765
2020 22.7323037817341
2021 22.4824530924253
2022 22.2136192212119
2023 21.9377045711302