Annual % of total population
1960 41.3629455834911
1961 41.4748482480918
1962 41.3628978233755
1963 41.2238213689117
1964 41.0829136063446
1965 40.950517371561
1966 40.8117387108954
1967 40.6480564859113
1968 40.4421503501861
1969 40.1701784182824
1970 39.8049666022762
1971 39.3259018464657
1972 38.6631644206611
1973 37.8030578340775
1974 36.8440446445599
1975 35.8559214703048
1976 34.869704693974
1977 33.9076865846345
1978 32.9878499499214
1979 32.1277112127328
1980 31.3427031300306
1981 30.6406365926119
1982 30.0158868120358
1983 29.4756625891947
1984 29.0466275313842
1985 28.7364577148731
1986 28.5388777215683
1987 28.4106180645326
1988 28.3248848073928
1989 28.2834637581609
1990 28.2673725924115
1991 28.2519787641674
1992 28.2135824221382
1993 28.1050545352605
1994 27.9195994437449
1995 27.688057798555
1996 27.4060347258591
1997 27.0725234546758
1998 26.694572479957
1999 26.2800040488232
2000 25.8396736056115
2001 25.4022939465694
2002 24.9673757360352
2003 24.5084132263745
2004 24.0348628026716
2005 23.5571732207004
2006 23.153530575155
2007 22.8678768994113
2008 22.6310188793976
2009 22.3941150245207
2010 22.1465119416236
2011 21.87671059183
2012 21.5988557382349
2013 21.3385419174652
2014 21.0774555052656
2015 20.7826174132522
2016 20.4024259178456
2017 19.9061941588519
2018 18.6166238996979
2019 17.8121917180416
2020 17.7131732778272
2021 17.402462986897
2022 17.1525945067965
2023 16.9463288160477