Year per 1,000 people 1960 12.201 1961 11.715 1962 11.213 1963 10.831 1964 10.365 1965 9.853 1966 9.489 1967 9.144 1968 8.943 1969 8.663 1970 8.491 1971 8.292 1972 8.123 1973 8.115 1974 8.046 1975 8.036 1976 7.993 1977 7.976 1978 7.864 1979 7.738 1980 7.803 1981 7.735 1982 7.717 1983 7.705 1984 7.684 1985 7.592 1986 7.566 1987 7.743 1988 14.853 1989 7.556 1990 7.524 1991 7.664 1992 7.67 1993 7.803 1994 7.869 1995 7.969 1996 7.837 1997 7.994 1998 7.808 1999 8.261 2000 8.27 2001 8.344 2002 8.593 2003 8.573 2004 8.919 2005 8.914 2006 9.063 2007 9.117 2008 9.387 2009 9.356 2010 9.384 2011 9.559 2012 9.761 2013 9.813 2014 9.704 2015 9.607 2016 9.634 2017 9.664 2018 9.75 2019 9.662 2020 12.792 2021 13.007 2022 11.881