Year	national estimate, per 100,000 live births
1990	10
1991	9
1992	7
1993	6
1994	5
1995	5
1996	7
1997	6
1998	6
1999	5
2000	6
2001	4
2002	3
2003	4
2004	5
2005	4
2006	5
2007	4
2008	5
2009	5
2010	5
2011	5
2012	4
2013	4
2014	4
2015	3