Year	Per 1000 Births
1970	31.2
1971	29.7
1972	28.2
1973	26.8
1974	25.4
1975	24.2
1976	23
1977	21.8
1978	20.7
1979	19.7
1980	18.7
1981	17.8
1982	16.9
1983	16.1
1984	15.3
1985	14.5
1986	13.8
1987	13.1
1988	12.5
1989	11.9
1990	11.3
1991	10.8
1992	10.3
1993	9.8
1994	9.3
1995	8.9
1996	8.4
1997	8
1998	7.7
1999	7.3
2000	7
2001	6.6
2002	6.3
2003	6
2004	5.7
2005	5.5
2006	5.2
2007	5
2008	4.7
2009	4.5
2010	4.3
2011	4.1
2012	3.9
2013	3.7
2014	3.6
2015	3.4