Annual % of total population
1960 40.4966657057612
1961 41.8315304880697
1962 43.0154933671969
1963 44.0055167932857
1964 44.761761633638
1965 45.141768646615
1966 45.2013877812782
1967 45.1457115463419
1968 44.9766729416779
1969 44.7476644184153
1970 44.5325221679708
1971 44.3269426650671
1972 44.0884536711075
1973 43.7948850497195
1974 43.4295575714975
1975 42.9860128372347
1976 42.4909716281725
1977 41.9713843781256
1978 41.4840289042447
1979 41.1006055888116
1980 40.8155398750603
1981 40.6013488787279
1982 40.4488892493969
1983 40.3641288339275
1984 40.3412695013793
1985 40.3440691286093
1986 40.3585736600976
1987 40.3577391195864
1988 40.3029704855524
1989 40.2295225833564
1990 40.2011905331426
1991 40.1702884273257
1992 40.0826671573065
1993 39.9572048578646
1994 39.7781072742608
1995 39.5354458206325
1996 39.229182773354
1997 38.8288628824474
1998 38.3004789383585
1999 37.6392448343491
2000 36.874369234193
2001 36.0215913499146
2002 35.1251813521698
2003 34.2347887184327
2004 33.3687092081175
2005 32.5065818581219
2006 31.6458787798143
2007 30.8700495825353
2008 30.2261920822087
2009 29.696511717156
2010 29.2363201004871
2011 28.836105154761
2012 28.5408143042562
2013 28.4003665025922
2014 28.4136367865087
2015 28.5227759133108
2016 28.6743307982373
2017 28.8416271720228
2018 29.0881381624216
2019 29.4164411454935
2020 29.7700920460112
2021 30.070973508198
2022 30.2113376007802
2023 30.1955268469818