Year per 1,000 people 1960 16.625 1961 16.341 1962 16.056 1963 15.69 1964 15.27 1965 14.869 1966 14.47 1967 14.057 1968 13.65 1969 13.262 1970 12.953 1971 12.6 1972 12.255 1973 11.972 1974 11.614 1975 11.334 1976 11.139 1977 10.996 1978 10.904 1979 10.866 1980 10.911 1981 10.924 1982 10.788 1983 10.716 1984 10.558 1985 10.375 1986 10.269 1987 10.121 1988 9.859 1989 9.743 1990 9.681 1991 9.804 1992 12.63 1993 13.525 1994 11.096 1995 10.013 1996 9.858 1997 9.058 1998 8.448 1999 7.882 2000 7.54 2001 7.161 2002 6.795 2003 6.476 2004 6.289 2005 6.116 2006 5.958 2007 5.936 2008 5.816 2009 5.75 2010 5.934 2011 5.808 2012 5.7 2013 5.563 2014 5.512 2015 5.43 2016 5.325 2017 5.172 2018 5.014 2019 4.843 2020 6.121 2021 4.548 2022 4.695