Year Deaths per 1000 1977 45.5 1978 44.6 1979 43.6 1980 42.4 1981 41.2 1982 40.3 1983 39.3 1984 38.6 1985 38.1 1986 37.6 1987 36.8 1988 35.7 1989 34.6 1990 33.6 1991 32.8 1992 32.2 1993 31.7 1994 31.1 1995 30.4 1996 29.5 1997 28.6 1998 27.7 1999 26.9 2000 26.3 2001 25.7 2002 25.2 2003 24.7 2004 24.1 2005 23.4 2006 22.9 2007 22.2 2008 21.6 2009 21.1 2010 20.5 2011 20 2012 19.6 2013 19.2 2014 18.8 2015 18.4