Year per 1,000 people 1960 12.329 1961 15.079 1962 11.823 1963 11.478 1964 11.168 1965 10.801 1966 10.543 1967 10.186 1968 9.757 1969 9.375 1970 8.92 1971 8.575 1972 8.462 1973 8.385 1974 8.222 1975 7.861 1976 7.731 1977 7.629 1978 7.48 1979 7.259 1980 7.092 1981 6.926 1982 6.937 1983 6.796 1984 6.531 1985 6.177 1986 6.04 1987 5.821 1988 5.594 1989 5.59 1990 5.555 1991 5.673 1992 5.718 1993 5.599 1994 5.362 1995 5.448 1996 5.42 1997 5.631 1998 5.863 1999 5.781 2000 5.858 2001 5.936 2002 5.755 2003 5.678 2004 5.552 2005 5.51 2006 5.245 2007 5.067 2008 4.935 2009 4.752 2010 4.66 2011 4.591 2012 4.457 2013 4.388 2014 4.584 2015 4.7 2016 4.695 2017 4.712 2018 4.74 2019 4.727 2020 5.244 2021 6.353 2022 6.253