Annual % of total population
1960 37.461862677633
1961 38.3788577222708
1962 38.7802786388838
1963 38.9427463950298
1964 38.9074967841601
1965 38.7275010418537
1966 38.4566184371464
1967 38.1122773872504
1968 37.6898590604218
1969 37.2156518457269
1970 36.7665474591356
1971 36.339217080089
1972 35.8588413872918
1973 35.2951287783031
1974 34.6800644979889
1975 34.0459767188739
1976 33.4220491522176
1977 32.8487892051406
1978 32.3414525430243
1979 31.9357857025411
1980 31.6399957509892
1981 31.451851241659
1982 31.3773495595482
1983 31.4043106104098
1984 31.5125320764733
1985 31.6439497812103
1986 31.7340592025902
1987 31.7671808842165
1988 31.7497697891555
1989 31.7432737548371
1990 31.7234756126663
1991 31.6226360779277
1992 31.4865323074592
1993 31.3248375397983
1994 31.1612554278635
1995 30.975685400872
1996 30.5524243232768
1997 29.8922409290796
1998 29.16105909981
1999 28.5341389482543
2000 27.9547086791847
2001 27.2376504986328
2002 26.4762096368575
2003 25.7468486146722
2004 25.1267006390478
2005 24.6493788087229
2006 24.3282709172895
2007 24.18815272431
2008 24.2233530826412
2009 24.3798601403206
2010 24.623489051026
2011 24.9722004273072
2012 25.4210106149178
2013 25.9171226073688
2014 26.4495129189351
2015 27.0021989628395
2016 27.5497913895485
2017 28.0564192461905
2018 28.5021673473639
2019 28.8901539053158
2020 29.2444540596271
2021 29.5326058851824
2022 29.6657521049337
2023 29.634720310348