Year	Per 1000 Births
1970	38
1971	35.6
1972	33.4
1973	31.3
1974	29.3
1975	27.5
1976	25.8
1977	24.1
1978	22.6
1979	21.2
1980	19.8
1981	18.6
1982	17.4
1983	16.3
1984	15.3
1985	14.3
1986	13.4
1987	12.6
1988	11.7
1989	11
1990	10.3
1991	9.6
1992	9
1993	8.4
1994	7.9
1995	7.4
1996	6.9
1997	6.5
1998	6.1
1999	5.7
2000	5.4
2001	5.1
2002	4.8
2003	4.5
2004	4.2
2005	3.9
2006	3.7
2007	3.5
2008	3.3
2009	3.1
2010	2.9
2011	2.7
2012	2.6
2013	2.4
2014	2.3
2015	2.1