Year per 1,000 people 1960 47.269 1961 47.483 1962 47.679 1963 47.694 1964 47.557 1965 47.435 1966 47.368 1967 47.258 1968 47.217 1969 47.224 1970 47.057 1971 46.817 1972 46.757 1973 46.813 1974 46.978 1975 47.213 1976 47.487 1977 47.815 1978 48.21 1979 48.631 1980 48.718 1981 48.312 1982 47.833 1983 47.655 1984 47.631 1985 47.387 1986 47.202 1987 47.109 1988 46.89 1989 46.735 1990 46.385 1991 45.967 1992 45.563 1993 45.306 1994 44.944 1995 44.546 1996 44.305 1997 44.441 1998 44.198 1999 43.994 2000 43.734 2001 43.395 2002 43.037 2003 42.899 2004 42.315 2005 41.867 2006 41.422 2007 41.105 2008 41.61 2009 41.921 2010 42.013 2011 41.605 2012 41.079 2013 40.548 2014 39.254 2015 38.797 2016 38.437 2017 38.127 2018 37.753 2019 37.345 2020 36.974 2021 36.598 2022 36.121