Year per 1,000 people 1960 22.426 1961 22.209 1962 21.951 1963 21.745 1964 21.441 1965 21.185 1966 20.831 1967 20.436 1968 20.028 1969 19.695 1970 19.311 1971 18.923 1972 18.517 1973 18.11 1974 17.711 1975 17.24 1976 16.795 1977 16.443 1978 16.059 1979 15.635 1980 15.259 1981 14.85 1982 14.468 1983 14.158 1984 13.818 1985 13.546 1986 13.319 1987 13.076 1988 12.854 1989 12.761 1990 12.707 1991 12.698 1992 12.617 1993 12.603 1994 12.615 1995 12.537 1996 12.428 1997 12.306 1998 12.258 1999 12.044 2000 11.898 2001 11.8 2002 11.526 2003 11.316 2004 11.304 2005 11.071 2006 10.919 2007 10.775 2008 10.663 2009 10.488 2010 10.326 2011 9.98 2012 9.866 2013 9.537 2014 9.438 2015 9.165 2016 9.092 2017 8.803 2018 8.766 2019 8.465 2020 8.417 2021 8.168 2022 8.213