Annual % of total population
1960 42.1172709950718
1961 42.2683123504999
1962 42.4214532883175
1963 42.4891285424035
1964 42.4704962669073
1965 42.3660378217858
1966 42.5242235013226
1967 42.998492164903
1968 43.2606725026531
1969 43.179112141902
1970 42.9629548867378
1971 42.6950497039236
1972 42.4225635688661
1973 42.2172390244812
1974 42.0168168421616
1975 41.7086270956148
1976 41.3926328776548
1977 41.146916941464
1978 40.8565481308778
1979 40.4964052484058
1980 40.1499666504639
1981 39.8405762391818
1982 39.5220447377237
1983 38.929504646276
1984 38.3261145979389
1985 37.9409089333571
1986 37.5304465442046
1987 37.0992252169396
1988 36.650885331651
1989 36.196046902261
1990 35.7309131545971
1991 35.2299287874812
1992 34.71793302967
1993 34.2113075312332
1994 33.7021367342909
1995 33.2188127373942
1996 32.7757109165445
1997 32.3629112619711
1998 31.962017026566
1999 31.5543181782752
2000 31.1241655371212
2001 30.6989670222079
2002 30.2566671964294
2003 29.7530847913212
2004 29.2370400121266
2005 28.7672391099158
2006 28.3459204725289
2007 27.9550435242547
2008 27.5708973263319
2009 27.1594864474615
2010 26.7257740229245
2011 26.2806999350472
2012 25.8245003526223
2013 25.3762741366458
2014 24.9516305568306
2015 24.6089377659218
2016 24.3211123973532
2017 24.1284344778095
2018 24.0362820581351
2019 23.9022885546966
2020 23.7110603615819
2021 23.4805146046872
2022 23.2326455154314
2023 22.9791999992915