Annual % of total population
1960 34.5514282695985
1961 35.1659267219854
1962 35.5227450264469
1963 35.546920539706
1964 35.2589726178093
1965 34.6616589902972
1966 33.9064072993484
1967 33.1651926593458
1968 32.429340353674
1969 31.6898097934205
1970 30.9529551566365
1971 30.2355666792933
1972 29.5425661224649
1973 28.8567513425687
1974 28.1788950750217
1975 27.532000063369
1976 26.9471372161084
1977 26.4764353069878
1978 26.1433649840114
1979 25.9690755776126
1980 25.9393674267164
1981 25.9952566450692
1982 26.1252159648027
1983 26.3596971473449
1984 26.6854094465629
1985 27.0013451314264
1986 27.2422350509701
1987 27.3939567948602
1988 27.4300366088628
1989 27.3164777149128
1990 27.0933084772918
1991 26.831584344214
1992 26.5462851025451
1993 26.2176243171256
1994 25.8328402127604
1995 25.3716490614755
1996 24.8343921655819
1997 24.2470878497934
1998 23.5722748461365
1999 22.7899104018123
2000 22.0921527161829
2001 21.5138622750001
2002 20.9054928077206
2003 20.3182866949586
2004 19.783590073179
2005 19.2831876586639
2006 18.8544766239181
2007 18.5082810936631
2008 18.2493569704508
2009 18.1075838930202
2010 17.9964254118742
2011 17.8565622099807
2012 17.7359769878483
2013 17.6710554757231
2014 17.829583686366
2015 18.197601260516
2016 18.5890739671014
2017 18.9441554268409
2018 19.2404157185748
2019 19.4759045773086
2020 19.6493213439759
2021 19.8060170703541
2022 19.3115573621233
2023 19.0548063974509