Annual % of total population
1960 38.5592013550582
1961 37.8323072121659
1962 37.2255713590032
1963 36.7401986541958
1964 36.3756801800303
1965 36.1301867413901
1966 36.0108268633328
1967 36.0108357475177
1968 35.3401394783724
1969 33.818341194146
1970 32.1678919903584
1971 30.6891176820613
1972 29.4643938032742
1973 28.4905762932967
1974 27.7623687508321
1975 27.2579380707185
1976 26.7983008155629
1977 26.5043622437792
1978 26.5570832735679
1979 26.8774392468943
1980 27.3177762207626
1981 28.0357305168245
1982 28.9150802838706
1983 29.6520241456756
1984 30.2797725803992
1985 30.780954327776
1986 31.1752760524206
1987 31.2672876416087
1988 30.9482523862144
1989 30.3802879666399
1990 29.6798176355938
1991 28.9288873365072
1992 28.1793197434496
1993 27.4499344213335
1994 26.727504740183
1995 25.9852912205625
1996 25.4659535474893
1997 24.9516726972998
1998 24.1121244176055
1999 23.1394809403392
2000 22.1747376526295
2001 21.3166589345282
2002 20.6117560158788
2003 20.0535054542575
2004 19.6018419673361
2005 19.0040115688099
2006 17.7431633627134
2007 16.0983318530183
2008 14.7291883043225
2009 13.8458500090834
2010 13.7447650968176
2011 14.0747305749542
2012 14.2593750618511
2013 14.3316711128707
2014 14.3343702146849
2015 14.3178587085039
2016 14.3286837398462
2017 14.3965147584791
2018 14.5293695045808
2019 14.7122010730534
2020 14.9409854694949
2021 15.1430338314588
2022 15.2321568337938
2023 15.216398330922