Year per 1,000 people 1960 8.844 1961 8.724 1962 8.924 1963 8.917 1964 9.093 1965 9.062 1966 9.001 1967 9.076 1968 9.296 1969 9.478 1970 9.151 1971 9.364 1972 9.277 1973 9.183 1974 9.154 1975 8.983 1976 9.026 1977 8.76 1978 8.681 1979 8.646 1980 8.722 1981 8.582 1982 8.695 1983 8.601 1984 8.746 1985 8.547 1986 8.34 1987 8.157 1988 7.96 1989 7.841 1990 7.743 1991 7.536 1992 7.595 1993 7.631 1994 7.403 1995 7.535 1996 7.541 1997 7.778 1998 7.651 1999 7.615 2000 7.6 2001 7.549 2002 7.518 2003 7.864 2004 7.48 2005 7.423 2006 7.369 2007 7.748 2008 7.467 2009 7.41 2010 7.661 2011 7.51 2012 7.394 2013 7.494 2014 7.447 2015 7.543 2016 7.947 2017 7.692 2018 7.68 2019 7.6 2020 8.509 2021 8.955 2022 8.589