Year per 1,000 people 1960 11.344 1961 10.621 1962 9.923 1963 9.329 1964 8.794 1965 8.257 1966 7.97 1967 7.707 1968 7.493 1969 7.281 1970 7.078 1971 6.88 1972 6.684 1973 6.496 1974 6.281 1975 6.105 1976 5.914 1977 5.746 1978 5.603 1979 5.465 1980 5.331 1981 5.154 1982 5.06 1983 4.986 1984 4.895 1985 4.799 1986 4.79 1987 4.756 1988 4.717 1989 4.677 1990 4.656 1991 4.656 1992 4.674 1993 4.607 1994 4.529 1995 4.494 1996 4.563 1997 4.627 1998 4.718 1999 4.722 2000 4.584 2001 4.435 2002 4.43 2003 4.43 2004 4.488 2005 4.516 2006 4.603 2007 4.705 2008 4.817 2009 4.96 2010 5.009 2011 4.928 2012 4.909 2013 4.945 2014 4.981 2015 5.096 2016 5.109 2017 5.132 2018 5.175 2019 5.253 2020 5.311 2021 6.034 2022 5.443