Year	Per 1000 Births
1989	7
1990	7.5
1991	7
1992	6.5
1993	6.1
1994	5.6
1995	5.2
1996	5
1997	4.6
1998	4.3
1999	4.1
2000	3.9
2001	3.7
2002	3.5
2003	3.3
2004	3.2
2005	3.1
2006	2.9
2007	2.8
2008	2.7
2009	2.6
2010	2.5
2011	2.4
2012	2.3
2013	2.2
2014	2.1
2015	2.1