Annual % of total population
1960 37.5716242278559
1961 37.8193223733194
1962 38.1660697784345
1963 38.4016144109922
1964 38.5727978246367
1965 38.6163273291024
1966 38.4810519342206
1967 38.2257417299927
1968 37.8536042466898
1969 37.3510976998595
1970 36.7152450113299
1971 35.9652072729673
1972 35.1261819287105
1973 34.2283127420624
1974 33.2864214503907
1975 32.3041557647906
1976 31.3054262067688
1977 30.3441038519925
1978 29.4746403515412
1979 28.7149175299405
1980 28.0361392805665
1981 27.4379769400059
1982 26.9482322935981
1983 26.5572338886842
1984 26.237132135021
1985 25.9486799709977
1986 25.6434570577079
1987 25.2975016817834
1988 24.9161872998881
1989 24.5359581695709
1990 24.1642458704823
1991 23.8003176536804
1992 23.4919536916943
1993 23.2436957725325
1994 23.0284110556854
1995 22.8435762389751
1996 22.6736962672212
1997 22.4806201550388
1998 22.2599628662407
1999 22.0693531993663
2000 21.8822853731434
2001 21.6588507271744
2002 21.4580323131486
2003 21.285873965884
2004 21.0837787005829
2005 20.8271948997503
2006 20.5490976257786
2007 20.3205817774569
2008 20.2193037957273
2009 20.1874419037845
2010 20.0882017829646
2011 19.908598061974
2012 19.686094189846
2013 19.4275188268651
2014 19.1341763576018
2015 18.8035586497556
2016 18.4608593607011
2017 18.1437531117137
2018 17.8623718887262
2019 17.6049639606038
2020 17.3732512032719
2021 17.162192678152
2022 16.9249205531983
2023 16.6231376032596