Annual % of total population
1960 40.3446590052983
1961 39.9864608478339
1962 40.0111887693201
1963 40.6514945937034
1964 41.2412266122338
1965 41.4824936141247
1966 41.5483054576375
1967 41.3470253573558
1968 41.1376327060118
1969 41.0522834963068
1970 40.8931903703243
1971 40.7590567702965
1972 40.5060529484732
1973 40.2594143485716
1974 40.2694163758602
1975 40.3374998217866
1976 40.3521483091228
1977 39.8688954515233
1978 38.6025120109685
1979 37.2530039841445
1980 36.1254683719932
1981 35.1058289540369
1982 34.3053590661738
1983 33.3927005142864
1984 32.3075248957237
1985 31.3185023746402
1986 30.4894886559773
1987 29.8993000506356
1988 29.4093506734996
1989 29.0277241932446
1990 28.8844462762349
1991 28.7540842655371
1992 28.5243388981471
1993 28.2863293462597
1994 27.9624144364883
1995 27.5391205541665
1996 27.0258753330879
1997 26.3812135643907
1998 25.752223665355
1999 25.1739828082742
2000 24.5338983395771
2001 23.7835053533298
2002 22.8898375407905
2003 21.9967448214006
2004 21.1409853200141
2005 20.248689181792
2006 19.5435044308303
2007 19.1208972037956
2008 18.8229306205873
2009 18.6123646975772
2010 18.4545712430344
2011 18.3369871593939
2012 18.3062291633771
2013 18.3272907959873
2014 18.3608561183836
2015 18.3565683565715
2016 18.3474893622344
2017 18.4046800417816
2018 18.3905505900045
2019 18.2615109348666
2020 18.0251204603043
2021 17.66807221382
2022 17.2466388906573
2023 16.7879462657534