Year Deaths per 1000 1955 18.8 1956 18.1 1957 17.6 1958 17.1 1959 16.7 1960 16.4 1961 16 1962 15.5 1963 15.1 1964 14.6 1965 14.1 1966 13.6 1967 13.1 1968 12.3 1969 11.5 1970 10.6 1971 9.9 1972 9.3 1973 8.7 1974 8.2 1975 7.7 1976 7.1 1977 6.6 1978 6.2 1979 5.8 1980 5.5 1981 5.2 1982 5 1983 4.7 1984 4.5 1985 4.4 1986 4.3 1987 4.3 1988 4.2 1989 4 1990 3.9 1991 3.8 1992 3.6 1993 3.5 1994 3.5 1995 3.4 1996 3.4 1997 3.4 1998 3.4 1999 3.5 2000 3.5 2001 3.5 2002 3.4 2003 3.4 2004 3.3 2005 3.3 2006 3.3 2007 3.3 2008 3.2 2009 3.2 2010 3.1 2011 3 2012 3 2013 2.9 2014 2.8 2015 2.7