Year	Per 1000 Births
1970	31.8
1971	30.2
1972	28.6
1973	27.1
1974	25.6
1975	24.3
1976	23
1977	21.8
1978	20.6
1979	19.5
1980	18.5
1981	17.6
1982	16.7
1983	15.8
1984	15
1985	14.2
1986	13.5
1987	12.9
1988	12.2
1989	11.6
1990	11
1991	10.5
1992	9.9
1993	9.5
1994	9
1995	8.5
1996	8.1
1997	7.7
1998	7.3
1999	7
2000	6.6
2001	6.3
2002	5.9
2003	5.6
2004	5.3
2005	5
2006	4.8
2007	4.5
2008	4.3
2009	4.1
2010	3.8
2011	3.6
2012	3.4
2013	3.3
2014	3.1
2015	2.9