Year	Per 1000 Births
1990	8.3
1991	7.9
1992	7.5
1993	7.1
1994	6.8
1995	6.4
1996	6.1
1997	5.8
1998	5.5
1999	5.2
2000	5
2001	4.8
2002	4.6
2003	4.4
2004	4.3
2005	4.1
2006	4
2007	3.9
2008	3.7
2009	3.6
2010	3.5
2011	3.3