Annual % of total population
1960 23.1771483271815
1961 23.3514400649345
1962 23.3639824365536
1963 23.2610148038933
1964 23.0400975782372
1965 22.8082885192306
1966 22.5682489309301
1967 22.333481468516
1968 22.20960983761
1969 22.1333962085083
1970 22.0636725871311
1971 22.0419204622656
1972 22.0173635057937
1973 21.9388383814391
1974 21.7985124462067
1975 21.6440567692934
1976 21.5494076378318
1977 21.5147055927309
1978 21.5304789627176
1979 21.5760265085992
1980 21.6503507487899
1981 21.7724699372749
1982 21.9162229649573
1983 22.0400494516387
1984 22.1024797444009
1985 22.1161673161697
1986 22.1249616704958
1987 22.1576068573769
1988 22.2261228300331
1989 22.2817229707646
1990 22.2555412517174
1991 22.1079797423013
1992 21.8120316298268
1993 21.4338866638018
1994 21.0719191286735
1995 20.7006246665864
1996 20.2610007876376
1997 19.7630303414023
1998 19.206475018717
1999 18.3886552069703
2000 17.6344866564797
2001 17.1556515533743
2002 16.6497853890548
2003 16.117412006839
2004 15.6130307920003
2005 15.2078894956823
2006 14.9597593244868
2007 14.8548253006454
2008 14.8880600084816
2009 15.0358004168442
2010 15.2355364297596
2011 15.4325768082511
2012 15.5912759075878
2013 15.7388021000295
2014 15.8858782557363
2015 16.0146015327958
2016 16.1519402124208
2017 16.2758334892416
2018 16.3638323258184
2019 16.4345646339575
2020 16.4657932188193
2021 16.4693561606411
2022 16.4061710538421
2023 16.2647498744108