Year	Per 1000 Births
1970	30.6
1971	29.3
1972	28
1973	26.8
1974	25.6
1975	24.5
1976	23.4
1977	22.2
1978	21.1
1979	20
1980	19
1981	18
1982	17
1983	16.1
1984	15.3
1985	14.4
1986	13.6
1987	12.9
1988	12.2
1989	11.6
1990	11
1991	10.4
1992	9.8
1993	9.3
1994	8.8
1995	8.4
1996	7.9
1997	7.5
1998	7.1
1999	6.7
2000	6.4
2001	6
2002	5.7
2003	5.4
2004	5.1
2005	4.9
2006	4.6
2007	4.4
2008	4.1
2009	3.9
2010	3.7
2011	3.5
2012	3.3
2013	3.1
2014	3
2015	2.8