Annual % of total population
1960 40.6362507335016
1961 40.8453309928207
1962 41.1319887045016
1963 41.4667095265662
1964 41.8552548389137
1965 42.2785238475981
1966 42.6831914227776
1967 43.0227000860135
1968 43.295511007547
1969 43.5016797480374
1970 43.6522142902536
1971 43.7790627228481
1972 43.8765287850225
1973 43.9252970156648
1974 43.929108164609
1975 43.8817534284884
1976 43.7892970593595
1977 43.6758714722156
1978 43.5596317252717
1979 43.3826754235105
1980 43.0467682865426
1981 42.6827723754596
1982 42.5058128825551
1983 42.553717830665
1984 42.7869871566028
1985 42.9908767468567
1986 43.112243855935
1987 43.2410972420212
1988 43.3824983139886
1989 43.5591377665734
1990 43.7364804990262
1991 43.8964491071572
1992 44.2035482366749
1993 44.4450198836504
1994 44.4846724350874
1995 44.4294376494939
1996 44.2466767150648
1997 44.0034853114532
1998 43.7004501746165
1999 43.3631222108938
2000 42.9197916263786
2001 42.4397620624241
2002 42.1122220380781
2003 41.831350726083
2004 41.4773535818807
2005 41.0949459930223
2006 40.6989635021842
2007 40.3053248668587
2008 39.9397276815596
2009 39.5830447266458
2010 39.2414350322717
2011 38.9610889956613
2012 38.7775190126104
2013 38.6608103879211
2014 38.5438521963052
2015 38.4262792114898
2016 38.3076030833406
2017 38.1180310135904
2018 37.8555058152239
2019 37.5776967797188
2020 37.2723784741093
2021 36.9401005457096
2022 36.5655427870757
2023 36.1441041447555