Annual % of total population
1960 22.4205664165853
1961 21.9412138074725
1962 21.5201905406234
1963 21.1894501070067
1964 20.9895834179741
1965 20.9139874508623
1966 20.9174305122103
1967 20.952151333994
1968 20.9407319543452
1969 20.8932070818253
1970 20.8403987118853
1971 20.7960804672435
1972 20.7665013635918
1973 20.7368487576558
1974 20.7182924132936
1975 20.6945763941565
1976 20.6204320482794
1977 20.4787180144706
1978 20.2591658783946
1979 19.9533789250007
1980 19.6076283459735
1981 19.2501411425697
1982 18.8841722713966
1983 18.5683319196271
1984 18.3409796065469
1985 18.1731383865363
1986 18.0187905286758
1987 17.8847721389705
1988 17.8255323455442
1989 17.8275215632438
1990 17.9114104963785
1991 18.0972613936389
1992 18.3212461366957
1993 18.5466886864478
1994 18.7132503207873
1995 18.7796636990908
1996 18.7764864887783
1997 18.7307622309097
1998 18.6576109800917
1999 18.5600351954305
2000 18.4264793651389
2001 18.2596709348365
2002 18.0840503015232
2003 17.8903067246562
2004 17.6629346379007
2005 17.3967805961684
2006 17.1242562717061
2007 16.8951599813297
2008 16.7218199964992
2009 16.624312886655
2010 16.6283679357841
2011 16.7163961546942
2012 16.8561194597753
2013 17.023635361924
2014 17.1905518215244
2015 17.3506552235409
2016 17.5066713940689
2017 17.6340524488004
2018 17.7095426644643
2019 17.7424320978691
2020 17.7450854687151
2021 17.7140280633685
2022 17.5997812945199
2023 17.4199068872981