Year per 1,000 people 1960 54.766 1961 54.706 1962 54.652 1963 54.554 1964 54.405 1965 54.168 1966 53.943 1967 53.72 1968 53.473 1969 53.166 1970 52.842 1971 52.636 1972 52.393 1973 52.317 1974 52.157 1975 51.866 1976 51.561 1977 52.496 1978 52.507 1979 52.834 1980 52.77 1981 52.355 1982 51.736 1983 50.975 1984 50.021 1985 48.887 1986 47.823 1987 46.673 1988 46.023 1989 47.084 1990 46.754 1991 46.429 1992 46.009 1993 45.436 1994 44.89 1995 45 1996 44.831 1997 44.978 1998 45.157 1999 44.991 2000 44.753 2001 44.194 2002 43.53 2003 43.015 2004 42.227 2005 41.602 2006 40.91 2007 40.248 2008 39.676 2009 39.179 2010 38.815 2011 38.435 2012 37.742 2013 37.137 2014 36.6 2015 36.282 2016 35.959 2017 35.863 2018 35.007 2019 34.554 2020 34.197 2021 33.934 2022 33.492