Annual % of total population
1960 28.087297387923996
1961 28.290149629901293
1962 28.302843655990667
1963 28.246002471156196
1964 28.125249471777742
1965 27.95817988413011
1966 27.789725381691298
1967 27.622598006170502
1968 27.43633702368586
1969 27.21255349223593
1970 26.946532323458097
1971 26.675584978127013
1972 26.407336390273052
1973 26.123108289925916
1974 25.829502771516857
1975 25.526490007480003
1976 25.220460873815135
1977 24.91981610484231
1978 24.613776620607446
1979 24.333611988539126
1980 24.10976813661085
1981 23.922032585908735
1982 23.753975035073122
1983 23.598209996329842
1984 23.460507261445827
1985 23.33929147169382
1986 23.21566603390705
1987 23.09043876004636
1988 22.972437493299832
1989 22.836336912892254
1990 22.67771651877686
1991 22.48991656636427
1992 22.290221639618192
1993 22.08842662112272
1994 21.85516933947903
1995 21.58792063346851
1996 21.29870926953334
1997 20.984674004667344
1998 20.632099082407365
1999 20.25676456181501
2000 19.877514955515515
2001 19.479890188949696
2002 19.07126834658398
2003 18.701336267867216
2004 18.384284841702968
2005 18.101070673999207
2006 17.864548907481584
2007 17.69139179617396
2008 17.60148156312985
2009 17.568415109184564
2010 17.556445712796663
2011 17.566093948609687
2012 17.593200333773886
2013 17.637974583176927
2014 17.69553250042366
2015 17.7649507710369
2016 17.839325125882503
2017 17.9100632965256
2018 17.9562769744738
2019 17.970788180414885
2020 17.95858837858523
2021 17.936248282720396
2022 17.887603572423387
2023 17.75369384898442