Year per 1,000 people 1960 19.11743370839101 1961 18.10795587028979 1962 17.204125178699492 1963 16.994221610107143 1964 16.50462509447342 1965 15.936753596892775 1966 15.563001189145679 1967 17.940059685746366 1968 18.01930362036002 1969 17.451755054401513 1970 17.09659018569389 1971 17.007328643641394 1972 17.023717419626884 1973 17.35087072561028 1974 18.45547513203758 1975 18.44352957752879 1976 18.44887761212922 1977 18.132886117120446 1978 17.807763242013053 1979 17.725439148728476 1980 17.18009161910484 1981 16.558396701252633 1982 16.256524981161302 1983 16.08245285822283 1984 16.005408942696 1985 15.779058395693696 1986 15.431044300395598 1987 15.046032569958637 1988 14.770034924689261 1989 14.245510046602197 1990 13.54862721052994 1991 13.011285691276123 1992 12.277059682637555 1993 11.81865120878839 1994 11.326632862636039 1995 10.51743481496246 1996 10.326632273669922 1997 10.12350060403294 1998 9.83281941853016 1999 9.712223889373567 2000 9.770927434191764 2001 9.436892193827047 2002 9.27703769430054 2003 9.284178678741753 2004 9.499468536744013 2005 9.760673840883536 2006 9.958498469653936 2007 10.207634861063259 2008 10.74505599009115 2009 10.782550863438358 2010 10.544200781856626 2011 9.973222786084188 2012 9.976633197004313 2013 9.638321929539009 2014 9.934669415186814 2015 9.888469993468584 2016 10.134696666352667 2017 10.370618638229962 2018 10.100580647546547 2019 9.909592174153817 2020 9.63709805049757 2021 9.419838112326984 2022 8.892760587532726