Year	Per 1000 Births
1970	26.8
1971	25.7
1972	24.6
1973	23.5
1974	22.4
1975	21.4
1976	20.5
1977	19.6
1978	18.8
1979	18
1980	17.2
1981	16.5
1982	15.8
1983	15.2
1984	14.5
1985	13.9
1986	13.4
1987	12.8
1988	12.3
1989	11.8
1990	11.3
1991	10.8
1992	10.4
1993	9.9
1994	9.5
1995	9.1
1996	8.8
1997	8.4
1998	8.1
1999	7.7
2000	7.4
2001	7.1
2002	6.8
2003	6.5
2004	6.3
2005	6
2006	5.8
2007	5.5
2008	5.3
2009	5.1
2010	4.9
2011	4.7
2012	4.5
2013	4.3
2014	4.1
2015	3.9