Annual % of total population
1960 37.543934391309
1961 35.639179381679
1962 35.8960361104084
1963 36.0547428032091
1964 36.2190751243954
1965 36.4961216861483
1966 36.7072434607646
1967 36.7120040634347
1968 36.5263855155664
1969 36.1464052723228
1970 36.3201487891182
1971 37.0889395497147
1972 37.7074385177976
1973 38.0464897863348
1974 38.1307740144507
1975 38.1849241414061
1976 38.2549107564454
1977 38.1316345782284
1978 37.6459875036343
1979 36.8031495227433
1980 35.872826986755
1981 34.9976057299467
1982 34.1946810062526
1983 33.5287711289144
1984 32.9066632493629
1985 32.2202870109162
1986 31.5426429608697
1987 30.9825462921946
1988 30.5921621955742
1989 30.3771899349844
1990 30.2711426726921
1991 30.2612226706613
1992 30.3387994287684
1993 30.4335056390977
1994 30.4317962607535
1995 29.9646701174924
1996 29.2064493314601
1997 28.5059318428889
1998 27.7687064008571
1999 26.9955576989066
2000 26.3585524795489
2001 25.8115289891302
2002 25.1853089565609
2003 24.5157892774588
2004 23.8348182082197
2005 23.1585916736319
2006 22.5105502067794
2007 21.9362198551262
2008 21.4416521102158
2009 21.0393830952314
2010 20.6765465131616
2011 20.3134258315597
2012 19.9946551115268
2013 19.7481212400776
2014 19.5839741543581
2015 19.4842588044181
2016 19.4227658565906
2017 19.3846893992204
2018 19.3455302398769
2019 19.2801495638547
2020 19.2642556686662
2021 19.2429888801191
2022 19.1796109184135
2023 19.0992405063291