Year Deaths per 1000 1955 27.6 1956 27.2 1957 26.8 1958 26.2 1959 25.7 1960 25.1 1961 24.6 1962 24.1 1963 23.8 1964 23.6 1965 23.4 1966 23.3 1967 23.4 1968 23.4 1969 23.5 1970 23.3 1971 22.9 1972 22.5 1973 22.1 1974 21.8 1975 21.6 1976 21.6 1977 21.8 1978 22 1979 22 1980 21.8 1981 21.5 1982 21 1983 20.5 1984 20.1 1985 19.5 1986 19 1987 18.4 1988 17.7 1989 17.1 1990 16.6 1991 16.1 1992 15.7 1993 15.1 1994 14.7 1995 14.3 1996 13.9 1997 13.6 1998 13.2 1999 12.8 2000 12.4 2001 12 2002 11.6 2003 11.2 2004 10.7 2005 10.3 2006 9.9 2007 9.5 2008 9.1 2009 8.7 2010 8.4 2011 8.1 2012 7.8 2013 7.6 2014 7.3 2015 7