Year Deaths per 1000 1968 31.3 1969 29.8 1970 28.3 1971 27.1 1972 25.9 1973 24.9 1974 23.9 1975 22.9 1976 21.8 1977 20.5 1978 19.3 1979 18.2 1980 17.3 1981 16.5 1982 15.8 1983 15.4 1984 15 1985 14.6 1986 14.2 1987 13.8 1988 13.1 1989 12.4 1990 11.6 1991 11 1992 10.4 1993 9.9 1994 9.5 1995 9.2 1996 8.9 1997 8.7 1998 8.6 1999 8.6 2000 8.7 2001 8.8 2002 9.2 2003 9.5 2004 9.8 2005 10 2006 9.9 2007 9.8 2008 9.5 2009 9.3 2010 9.1 2011 8.9 2012 8.7 2013 8.4 2014 8.2 2015 8