Year	Deaths per 1000
1969	13.9
1970	13.2
1971	12.5
1972	11.7
1973	10.9
1974	10
1975	9.3
1976	8.7
1977	8.3
1978	7.9
1979	7.3
1980	6.7
1981	6.3
1982	5.9
1983	5.6
1984	5.4
1985	5.2
1986	4.9
1987	4.7
1988	4.6
1989	4.5
1990	4.4
1991	4.3
1992	4.2
1993	4.1
1994	4.1
1995	4.1
1996	4
1997	3.9
1998	3.8
1999	3.7
2000	3.7
2001	3.8
2002	3.8
2003	3.9
2004	4
2005	4
2006	4
2007	3.9
2008	3.8
2009	3.8
2010	3.7
2011	3.6
2012	3.5
2013	3.4
2014	3.3
2015	3.2