Year per 1,000 people 1960 43.782 1961 43.674 1962 43.485 1963 43.295 1964 42.737 1965 42.123 1966 41.342 1967 40.57 1968 39.654 1969 38.6 1970 37.426 1971 36.248 1972 35.078 1973 33.782 1974 32.421 1975 31.176 1976 29.758 1977 28.546 1978 27.579 1979 26.974 1980 26.766 1981 25.944 1982 24.786 1983 23.736 1984 22.896 1985 22.185 1986 21.584 1987 20.9 1988 20.295 1989 20.157 1990 19.728 1991 19.455 1992 19.215 1993 18.788 1994 18.238 1995 17.569 1996 17.253 1997 16.658 1998 15.578 1999 14.234 2000 13.526 2001 13.176 2002 12.919 2003 12.833 2004 12.698 2005 12.724 2006 12.472 2007 12.386 2008 12.249 2009 12.003 2010 11.926 2011 11.95 2012 11.754 2013 11.374 2014 11.004 2015 10.607 2016 10.26 2017 9.98 2018 9.662 2019 9.377 2020 9.182 2021 8.999 2022 8.806