Year	Per 1000 Births
1985	15.3
1986	14.3
1987	13.3
1988	12.5
1989	11.6
1990	10.9
1991	10.2
1992	9.5
1993	8.9
1994	8.3
1995	7.8
1996	7.2
1997	6.8
1998	6.3
1999	5.9
2000	5.5
2001	5.2
2002	4.9
2003	4.6
2004	4.4
2005	4.2
2006	4
2007	3.8
2008	3.7
2009	3.6
2010	3.4
2011	3.3
2012	3.2
2013	3.1
2014	3
2015	2.9
2016	2.8