Annual % of total population
1960 48.3545132065563
1961 48.6534796965745
1962 48.8674127174157
1963 48.9860755484662
1964 49.0579943624106
1965 49.1162691872644
1966 49.1071745442383
1967 48.9980750395086
1968 48.7972175984769
1969 48.5176388264154
1970 48.1800413818897
1971 47.7739882748121
1972 47.3122148424875
1973 46.8264029619167
1974 46.3101642194504
1975 45.7616230129188
1976 45.1980228515272
1977 44.6299860328128
1978 44.0608336761932
1979 43.4953407596896
1980 42.969118106953
1981 42.4751208276156
1982 41.9889447651392
1983 41.5400930470442
1984 41.1227989858175
1985 40.7075806446712
1986 40.2952172801928
1987 39.8951651865882
1988 39.512492085768
1989 39.1655053182059
1990 38.8505673443303
1991 38.5445665133638
1992 38.2400967237261
1993 37.9366014640301
1994 37.5911614470036
1995 37.1981814422892
1996 36.7975803742577
1997 36.3827834243509
1998 35.9325694835221
1999 35.470126521541
2000 35.0353301564615
2001 34.6122024245016
2002 34.2111420892154
2003 33.8197427490949
2004 33.3904245732698
2005 32.9293823913491
2006 32.4450613129793
2007 31.952884248654
2008 31.482862842623
2009 31.0495912080158
2010 30.6531874008708
2011 30.2846339720047
2012 29.9415430297384
2013 29.6329564555696
2014 29.33779674707
2015 29.0316430247961
2016 28.7275726836475
2017 28.4383639559683
2018 28.1642785741028
2019 27.8968597574914
2020 27.6233677512044
2021 27.3596205245544
2022 27.1082066407506
2023 26.8284071103146