Annual % of total population
1960 39.55432201388596
1961 39.70827355932154
1962 39.79981635894381
1963 39.83126961886714
1964 39.80743326596485
1965 39.779348319787054
1966 39.75309943018886
1967 39.697203753564075
1968 39.6077161664811
1969 39.473768330602084
1970 39.26697501795679
1971 38.99186030916726
1972 38.67013785988094
1973 38.321689458931594
1974 37.98225666024299
1975 37.65299255679635
1976 37.33440242210161
1977 37.02065666077867
1978 36.71973143439956
1979 36.445810534913164
1980 36.20368947522197
1981 35.98569910122864
1982 35.79130345219519
1983 35.64085794657032
1984 35.52395006181546
1985 35.43375069069317
1986 35.370247511436574
1987 35.328723884651026
1988 35.29731391201901
1989 35.29285161371765
1990 35.29473320384809
1991 35.22725485891558
1992 35.0884122260211
1993 34.94452296504592
1994 34.82885256491294
1995 34.6350147860565
1996 34.33548950510628
1997 33.977098417015
1998 33.57183179797374
1999 33.12133805686836
2000 32.6847651990423
2001 32.29492944314752
2002 31.914730747895394
2003 31.50534840774951
2004 31.045527596903497
2005 30.567032400721434
2006 30.08997088851923
2007 29.617297172753503
2008 29.164092899337486
2009 28.74140293512752
2010 28.402870016292994
2011 28.14311617221396
2012 27.87182243911619
2013 27.61380404455701
2014 27.385133040768324
2015 27.129450486786883
2016 26.859757434851147
2017 26.585269140594054
2018 26.297290212608196
2019 26.039526387017542
2020 25.826925299437093
2021 25.614072368785727
2022 25.37113631771602
2023 25.108362252730416