Year Deaths per 1000 1952 51.1 1953 49.8 1954 48.4 1955 47 1956 45.4 1957 44 1958 42.5 1959 41.2 1960 39.9 1961 39 1962 38.1 1963 37.4 1964 36.7 1965 36.1 1966 35.7 1967 35.3 1968 35 1969 34.6 1970 34.3 1971 34.2 1972 34.1 1973 33.9 1974 33.6 1975 33.4 1976 33.1 1977 32.8 1978 32.5 1979 32.1 1980 31.8 1981 31.5 1982 31.4 1983 31.3 1984 31.1 1985 30.9 1986 30.8 1987 30.7 1988 30.5 1989 30.3 1990 30.1 1991 30 1992 29.8 1993 29.5 1994 29.2 1995 28.8 1996 28.4 1997 27.9 1998 27.3 1999 26.6 2000 26 2001 25.5 2002 25.1 2003 24.8 2004 24.6 2005 24.4 2006 24.2 2007 24.1 2008 24.1 2009 24 2010 23.9 2011 23.8 2012 23.7 2013 23.5 2014 23.2 2015 22.8