Annual % of total population
1960 41.4153545830148
1961 41.9234880647884
1962 42.3874290947468
1963 42.8638377103853
1964 43.4290373010136
1965 43.9743786053341
1966 44.4009153085209
1967 44.7887122576797
1968 45.1258808653194
1969 45.3526761745652
1970 45.4523596349936
1971 45.3501284499297
1972 45.0630945873203
1973 44.6610698139817
1974 44.1781384636379
1975 43.5854233500774
1976 42.9308561209233
1977 42.3556024996514
1978 41.8118611766006
1979 41.2281667653091
1980 40.6245990486742
1981 40.0231324108984
1982 39.4283112521061
1983 38.9034260629623
1984 38.456615456371
1985 38.0478004214605
1986 37.6622229821955
1987 37.2889829619753
1988 36.9382312042332
1989 36.6119202061208
1990 36.2830182487298
1991 35.9886967233268
1992 35.8328808243249
1993 35.7579434760083
1994 35.6514811820312
1995 35.4850536309483
1996 35.2108102431448
1997 34.8524014811223
1998 34.4548385506762
1999 33.987155806762
2000 33.4070641469563
2001 32.754616382117
2002 32.094971521772
2003 31.4418336742704
2004 30.8083878357725
2005 30.2134625492601
2006 29.6230137595433
2007 28.9430594534842
2008 28.1852035850471
2009 27.4110743767956
2010 26.6078153667879
2011 25.8478036406711
2012 25.1484246962752
2013 24.4485200652404
2014 23.7916419319077
2015 23.2731406903948
2016 22.8462385585591
2017 22.3904709323949
2018 21.8973375038009
2019 21.3741122684737
2020 20.8331833860409
2021 20.2996115740226
2022 19.8397666812738
2023 19.427041204639